2015 Summer Internship Report - John Conley-Draft -final

STUDENT SUMMER INTERNSHIP TECHNICAL REPORT
Stainless Steel Corrosion: Feed Properties
Affecting Material Selection for LAWPS Piping
at Hanford Site
DOE-FIU SCIENCE & TECHNOLOGY
WORKFORCE DEVELOPMENT PROGRAM
Date submitted:
September 30, 2015
Principal Investigators:
John J. Conley (DOE Fellow Student)
Florida International University
Mario A. Servin, Mentor
Washington River Protection Solutions
Terry L. Sams, Mentor
Washington River Protection Solutions
Florida International University Program Director:
Leonel Lagos Ph.D., PMP®
Submitted to:
U.S. Department of Energy
Office of Environmental Management
Under Cooperative Agreement # DE-EM0000598

DISCLAIMER
This report was prepared as an account of work sponsored by an agency of the United
States government. Neither the United States government nor any agency thereof, nor any
of their employees, nor any of its contractors, subcontractors, nor their employees makes
any warranty, express or implied, or assumes any legal liability or responsibility for the
accuracy, completeness, or usefulness of any information, apparatus, product, or process
disclosed, or represents that its use would not infringe upon privately owned rights.
Reference herein to any specific commercial product, process, or service by trade name,
trademark, manufacturer, or otherwise does not necessarily constitute or imply its
endorsement, recommendation, or favoring by the United States government or any other
agency thereof. The views and opinions of authors expressed herein do not necessarily
state or reflect those of the United States government or any agency thereof.

FIU-ARC-2015-800000394-04c-099 Stainless Steel Corrosion: Feed Properties Affecting
Material Selection for LAWPS Piping at Hanford Site
iii
ABSTRACT
The purpose of this report is to convey the concentration levels of the chemical components of
interest present within the waste feed which will be sent to the Hanford Site Low-Activity Waste
Pretreatment System (LAWPS) and facilitate material selection for LAWPS components.
Additionally, research was conducted on the effects of chemical constituents found in low
activity waste (LAW) on the stainless steel transfer lines transporting them. The objectives of
this report are:
 To conduct research on the corrosion causing chemical constituents, their role in the
degradation/dissolution of the passive layer, and their ability to corrode stainless steel.
 To evaluate the concentration levels of corrosion causing chemical constituents.
 To facilitate material selection for LAWPS components.
The recommended concentration range for chloride, fluoride, nitrite, nitrate, hydroxide, and
sulfate are summarized in Table 1. Of the chemical constituents, the halides (chloride and
fluoride) are the leading cause of the corrosion mechanisms evaluated. Chloride and fluoride are
able to permeate the passive layer and attack stainless steel. Additional research is
recommended, particularly focusing on the cumulative effects of all chemical constituents of
interest (chloride, fluoride, nitrate, nitrite, hydroxide, and sulfate) on stainless steel. Specifically,
observations of the cumulative reaction of the chemicals with the alloy, and more importantly,
with the passive layer should be noted.

iv
TABLE OF CONTENTS
ABSTRACT................................................................................................................................ III
TABLE OF CONTENTS............................................................................................................IV
LIST OF FIGURES ..................................................................................................................... V
LIST OF TABLES....................................................................................................................... V
TERMS AND ABBREVIATIONS ............................................................................................VI
1. INTRODUCTION ............................................................................................................1
2. EXECUTIVE SUMMARY ..............................................................................................2
3. RESEARCH DESCRIPTION...........................................................................................3
3.1 CORROSION ................................................................................................................... 3
3.1.1 Pitting Corrosion.........................................................................................................3
3.1.2 Crevice Corrosion.......................................................................................................4
3.1.3 Erosion Corrosion.......................................................................................................4
3.1.4 Intergranular Corrosion...............................................................................................5
3.1.5 Cavitation Corrosion...................................................................................................6
3.2 TYPES OF STAINLESS STEEL CONSIDERED FOR LAWPS COMPONENTS....... 6
3.2.1 Stainless Steel 304 ......................................................................................................7
3.2.2 Stainless Steel 316 ......................................................................................................7
4. ANALYSIS, INPUT DATA & ASSUMPTIONS............................................................8
4.1 METHOD OF ANALYSIS .............................................................................................. 8
4.2 INPUT DATA & ASSUMPTIONS.................................................................................. 8
5. RESULTS AND DISCUSSION .....................................................................................10
6. CONCLUSIONS AND RECOMMENDATIONS .........................................................16
7. REFERENCES ...............................................................................................................17
APPENDIX A1: CALCULATION EXAMPLE…………………………………………….. A-1
APPENDIX A2: SORTED AND SUMMARIXED DATA FROM HTWOS MMR-50043... A-1
APPENDIX B: CALCULATION SHEET…………………………………………………... B-1
APPENDIX C: PROJECT COMMUNICATION …………………………………………... C-1

v
LIST OF FIGURES
Figure 1. Pitting corrosion in stainless steel pipeline. .................................................................... 3
Figure 2. Crevice corrosion in metals. ............................................................................................ 4
Figure 3. Erosion corrosion within metals. ..................................................................................... 4
Figure 4. Intergranular corrosion in metals..................................................................................... 5
Figure 5. Cavitation corrosion in metal propeller........................................................................... 6
Figure 6. Chloride concentration per feed batch........................................................................... 10
Figure 7. Fluoride concentration per feed batch. .......................................................................... 11
Figure 8. Nitrite concentration per feed batch. ............................................................................. 12
Figure 9. Nitrate concentration per feed batch.............................................................................. 13
Figure 10. Hydroxide concentration per feed batch...................................................................... 14
Figure 11. Sulfate concentration per feed batch. .......................................................................... 15
LIST OF TABLES
Table 1. Recommended Concentration Ranges For Chemical Components 16

vi
TERMS AND ABBREVIATIONS
DFLAW Direct Feed Low Activity Waste
DOE United States Department of Energy
DST Double Shell Tank
HFFACO Hanford Federal Facility Agreement and Consent Order
HLW High-Level Waste
HTWOS Hanford Tank Waste Operating Simulator
LAW Low Activity Waste
LAWPS Low Activity Waste Pretreatment System
MMR Model Modification Request
MT Metric Tons
ORP Office of River Protection
ROS Reference Operating Scenario
RPP River Protection Project
SS Stainless Steel
SST Single Shell Tank
TPA Tri-Party Agreement
WRPS Washington River Protection Solutions, LLC.
WTP Waste Treatment and Immobilization Plant

1
1. INTRODUCTION
The purpose of this report is to convey the concentration levels of the chemical constituents of
interest present within the waste feed which will be sent to the Hanford Site Low-Activity Waste
Pretreatment System (LAWPS) and facilitate material selection for LAWPS components. To
facilitate LAWPS component material selection, the chemical concentration ranges of specific
corrosion causing chemical constituents are evaluated. Of particular interest are the concentration
ranges of chloride, fluoride, nitrate, nitrite, hydroxide, and sulfate which are projected be present in
the LAWPS waste feed.
The objectives of this report are:
 To conduct research on the corrosion causing chemical constituents, their role in the
degradation/dissolution of the passive layer, and their ability to corrode stainless steel.
 To evaluate the concentration levels of corrosion causing chemical constituents.
 To facilitate material selection for LAWPS components.
The U.S. Department of Energy (DOE) Office of River Protection’s (ORP) primary mission is to
retrieve and treat Hanford’s tank waste and close the tank farms to protect the Columbia River.
Mixed radioactive waste is stored in 177 underground tanks at the Hanford Site as reported in
DOE/ORP-2003-02, Environmental Impact Statement for Retrieval, Treatment, and Disposal of Tank
Waste and Closure of the Single Shell Tanks at the Hanford Site, Richland WA, Inventory and Source
Term Data Package. As of July 2015, those 177 underground tanks were estimated to contain about
56 million gallons of waste.
The DOE ORP is responsible for management and completion of the River Protection Project (RPP)
mission, which comprises both the Hanford Site tank farms and the Waste Treatment and
Immobilization Plant (WTP). Hanford Federal Facility Agreement and Consent Order [HFFACO or
Tri-Party Agreement (TPA)] requires DOE to complete the RPP tank waste treatment mission by
September 30, 2047. A key aspect of implementing that mission is to construct and operate the WTP
(ORP-11242, River Protection Project System Plan). The WTP is a multi-facility plant that will
separate and immobilize the tank high-level waste (HLW) and LAW fractions for final dispositions.
The WTP LAW Vitrification Facility is sized to treat about 40% of the approximately 55,000 metric
tons (MT) of sodium that makes up the LAW stream requiring treatment by 2047.
The LAWPS Project provides for the early production of immobilized low-activity waste (LAW) by
feeding LAW directly from Tank Farms to the WTP LAW Facility, bypassing the Pretreatment
Facility. Prior to the transfer of feed to the WTP LAW Vitrification Facility, double-shell tank (DST)
supernatant waste will be pretreated in the LAWPS to meet the WTP LAW waste acceptance criteria.
The LAWPS will also facilitate the return of secondary liquid wastes from the WTP LAW
Vitrification Facility to the DST Farms.
Concentration ranges for chloride, fluoride, nitrate, nitrite, hydroxide, and sulfate were calculated
using Hanford Tank Waste Operations Simulator (HTWOS) data. The nominal values specified in
RPP-SPEC-56967, Project T5L01 Low Activity Waste Pretreatment System Specification, were
considered to verify that the specified nominal values fell within the calculated concentration ranges.

2
2. EXECUTIVE SUMMARY
This research work has been supported by the DOE-FIU Science & Technology Workforce
Initiative, an innovative program developed by the US Department of Energy’s Environmental
Management (DOE-EM) and Florida International University’s Applied Research Center (FIU-
ARC). During the summer of 2015, a DOE Fellow intern John J. Conley spent 10 weeks doing a
summer internship at Washington River Protection Solutions at the Hanford Site under the
supervision and guidance of Mario A. Servin and Terry L. Sams. The intern’s project was
initiated on June 15, 2015, and continued through August 6, 2014 with the objective of
conveying the concentration levels of the chemical components of interest present within the
waste feed which will be sent to the Low-Activity Waste Pretreatment System (LAWPS) to
facilitate material selection for LAWPS components.

3
3. RESEARCH DESCRIPTION
3.1 Corrosion
Corrosion occurs when metals (or their alloys) enter a chemical union with elements from a
corrosive medium in order to form stable compounds. In other words, corrosion is the
deterioration of an alloy due to a reaction with its environment. Corrosion of metals ensues
because of a chemical or electrochemical attack. A chemical attack occurs when a highly
corrosive medium passes over the surface of an alloy. An electrochemical attack occurs in hostile
aqueous systems, in which the reaction between different elements leads to corrosion, as well as
the flow of electricity from an anodic area to the cathodic area (due to local cells that are on the
surface of the alloy, or multiple, dissimilar alloys in contact). One considerable factor that affects
corrosion rates in metals is the pH of the medium passing over the surface. Acid-soluble metal
corrosion rates are controlled by the rate at which the oxidizer reaches the metal surface. Once at
elevated temperatures, the corrosion rate increases with the increasing basicity of the medium
(Perry’s Chemical Engineers’ Handbook).
There are several corrosion mechanisms that can affect a metal. The following corrosion
mechanisms were chosen based on the flow conditions of LAW to LAWPS. The flow to LAWPS
is expected to be turbulent; therefore, the following five mechanisms are the most likely
corrosion types to occur. Alternate corrosion mechanisms (general corrosion, impingement
corrosion, stress-corrosion cracking, microbiologically influenced corrosion, etc.) were assumed
to be neglible as a result of LAW turbulent flow.
3.1.1 Pitting Corrosion
Pitting corrosion develops in localized areas on the surface of an alloy, is extremely aggressive,
and can penetrate an alloy rapidly. Pitting corrosion leaves cavities throughout the surface of the
alloy, and while most of the surface area of the alloy can prove unaffected by the pitting, the sites
which do have pitting and depressions are usually severely corroded (however miniscule the site
may be). This corrosion mechanism is of importance because under turbulent flow, the stainless
steel passive layer formed is susceptible to degradation from the incessant abrasion of solid
particulates.
Figure 1. Pitting corrosion in stainless steel pipeline.

4
3.1.2 Crevice Corrosion
Crevice corrosion is characterized as a stagnant medium entrapped within a crevice which is not
subjected to an oxygen rich environment, leading to an acidification of the stagnant medium
within the crack, and ultimately a corroded alloy. The stagnant medium which becomes acidified
creates such a hostile environment within the crevice that it also degrades the passive film of the
area surrounding the crevice. This corrosion mechanism was highlighted because corrosion is
accelerated where the oxygen concentration dwindles. Once the passive oxide layer has been
eroded and this oxygen deficient crevice is filled with highly corrosive medium, this
environment will lead to the gradual, but persistent degradation of the surrounding passive oxide
layer as well as the inward corrosion of the alloy.
3.1.3 Erosion Corrosion
Erosion attributes to the degradation of an alloy by means of abrasion, which is due in part to the
flow rate of the medium passing over the alloy, as well as the solid content within the medium.
Under turbulent flow, the medium degrades and dissolutes the passive oxide layer upon the
Figure 2. Crevice corrosion in metals.
Figure 3. Erosion corrosion within metals.

5
stainless steel, which in turn allows the corrosive medium to corrode the alloy. Erosion is a
sizeable factor to consider when discussing corrosion in stainless steel because of its ability to
remove the passive layer that protects the corrosive medium from corroding the alloy.
3.1.4 Intergranular Corrosion
Intergranular corrosion attacks locally along the grain boundaries of the alloy because of a
depletion of one of the alloying elements, or impurities along the boundaries. Intergranular
corrosion takes place in stainless steel due to chromium depletion in the boundaries.
Intergranular corrosion is a concern with stainless steel as well as other alloys due to the process
taken when manufacturing the alloy. When stainless steel is subjected to thermal cycles (a
process to increase the strength of the alloy), intergranular precipitation of chromium carbides
occur, depleting the element from the grains themselves. This allows chloride and fluoride
access to the boundary impurities, allowing them to bond with those impurities, creating
fractures and ultimately corrosion.
Figure 4. Intergranular corrosion in metals.

6
3.1.5 Cavitation Corrosion
Cavitation is a form of erosion that takes place at the surface of the alloy which has a turbulent
medium flowing past. Cavitation occurs due to high flow rates and rapid pressure changes, and
essentially is the collapse of vacuum bubbles on the surface of the alloy. Cavitation leads to
serious damage on the surface of the alloy because of the explosive force of the collapsing of
said vacuum bubbles. The high force applied at the surface of the alloy aids in the removal of the
oxide passive layer, which leaves an active surface for corrosion to occur. LAWPS may
experience cavitation corrosion as it occurs in areas of high flow (turbulent flow) in a hostile
medium.
3.2 Types of Stainless Steel Considered for LAWPS Components
The main alloy being focused on in this report is SS 304 because the alloys of interest for
LAWPS component material selection are all 300 series, austenitic stainless steels (SS). SS
schedules 304, 304L, 316, and 316L have chemical compositions that coincide with one another.
Therefore, the corrosion assessed in SS 304 should produce findings that coincide with corrosion
in the other austenitic alloys. When considering austenitic stainless steels in particular, the
passive layer that forms on the surface of these alloys is chromium oxide (assuming the active
alloy was subjected to an oxide rich environment after being stripped of any free iron during
pickling). Two types of stainless steel are being considered for LAWPS components.
A critical parameter reviewed to select the type of stainless steel is each alloys passivation.
Passivation is the process of creating a passive layer upon the surface of a material in regards to
its surrounding environment. In relation to corrosion, passivity of an alloy is extremely beneficial
as it forms a non-reactive surface film in which corrosion is inhibited. The most frequent layer
formed on stainless steel (when subjected to an oxide-rich environment) is chromium oxide.
When an alloy is manufactured, it is subject to pickling and then passivation to provide that
Figure 5. Cavitation corrosion in metal propeller.

7
passive layer upon the alloy. Pickling refers to the submersion of the alloy in an acid solution
that removes surface contamination (i.e. dirt and debris, free iron from fabrication) and any other
impurities upon the surface of the alloy. Nitric acid is a common acid solution utilized because it
is an oxidizer. Thus, once the alloy has been treated, the chromium oxide passive layer forms.
3.2.1 Stainless Steel 304
Stainless steel (SS) 304 is an austenitic stainless steel (structurally it forms face-centered
cubically), which has austenite as its primary phase. Austenite is also known as gamma-phase
iron, and it is a non-magnetic allotrope of iron. SS 304 consists of carbon, manganese,
phosphorus, sulfur, silicon, chromium, nickel, nitrogen, and iron. SS 300 series are amongst the
most common types of stainless steel because they are non-magnetic, and prove advantageous
when welding is necessary. When welding is required, SS 304 is beneficial because its low
carbon content (.08% max) minimizes carbide precipitation which in turn leads to intergranular
corrosion. SS 300 series is noted for its corrosion resistance because of their chromium content.
SS 304 utilizes that chromium to form the passive layer (chromium oxide Cr2O3) which has a
high corrosion resistance to most chemical constituents. Although SS 304 is not as corrosion
resistant as SS 316, SS 304 provides adequate corrosion resistance to the chemical constituents
in LAW as long as the temperature of the LAW being transferred remains under 45℃.
3.2.2 Stainless Steel 316
Stainless steel (SS) 316 is an austenitic stainless steel (structurally it forms face-centered
cubically), which has austenite as its primary phase. SS 316 consists of carbon, manganese,
phosphorus, sulfur, silicon, chromium, nickel, molybdenum, nitrogen, and iron. By adding
slightly more nickel and molybdenum (~2% by weight) to SS 304, you create SS 316, which has
the greatest corrosion resistance among standard stainless alloys. SS 316 is particularly
advantageous in solutions containing significantly high concentrations of halides (with respect to
the concentration ranges of halides being transferred). The passive layer of SS 316 compares to
that of SS 304 in that it consists of chromium and oxygen (chromium oxide Cr2O3), but it differs
because of the added molybdenum in the alloy, which in turn plays an integral role in forming
the passive layer. The addition of molybdenum is the key factor in the added corrosion resistance
to halides.

8
4. ANALYSIS, INPUT DATA & ASSUMPTIONS
4.1 Method of Analysis
For this assessment, data from HTWOS model run MMR-50043, Preliminary Reference
Operating Scenario FY15 Modeling – Integrated V&V – HTWOS v8.1, was used. With the
monthly LAWPS waste feed available, the data were accumulated for each time period to match
the transfers, summarizing volumes, moles of each liquid and solid phases for selected chemical
constituents of the waste feed batch/transfer from 241-AP-107 to LAWPS. The concentration of
each chemical component was then computed by dividing the kg-moles of each chemical
constituent (per transfer) by the total volume of each waste feed. Appendix A provides an
example for computing the concentration of a single chemical component for a single transfer.
Appendix B tabulates the concentration of each chemical component of interest for each transfer
from AP-107 to LAWPS.
Bar graphs were created to graphically depict the data compiled. The graphs compare the
concentration per g-mole/liter for each feed transfer in order from least to greatest. The plots
also include the nominal value for each chemical component specified in RPP-SPEC-56967.
These nominal values were included to verify that the specification nominal values fell within
the calculated concentration ranges. The plot for each chemical component of interest is
presented in the Results section.
The Hanford Tank Waste Operations Simulator (HTWOS) is a flow sheet modeling tool
developed by the Washington River Protection Solutions, LLC (WRPS) System Planning and
Modeling group. The HTWOS modeling tool is a dynamic event-simulation tool, governed by
prescribed initial conditions, constraints, and operating logic used to simulate the full duration of
the U.S. Department of Energy (DOE), Office of River Protection (ORP) mission. The HTWOS
modeling tool accounts for the major systems required to accomplish the River Protection
Project (RPP) mission to store, process, and immobilize the Hanford tank wastes for disposal.
4.2 Input Data & Assumptions
All of the data applied in creating the LAWPS waste feed parameter for concentration profiles
were obtained through the HTWOS model run MMR-50043. HTWOS model run MMR-50043 is
the final Reference Operating Scenario (ROS) for fiscal year 2015. The HTWOS model run
supplied the monthly LAWPS waste feed and transfer data.
The data summary compiled spanned a period of ten years within the MMR, specifically October
of 2021 to December of 2031. The time period was constricted as this time span and associated
data encompassed the Direct Feed Low-Activity Waste (DFLAW) program waste feed
compositions.
Corrosion in alloys have many contributing factors (i.e. temperature, flow rate of medium,
environment, etc.), so some assumptions had to be made when performing this research. The
temperature of the LAW passing through the transfer lines is not to exceed 45℃, which is
consistent with the RPP-SPEC-56967. Flow conditions for LAW to LAWPS is assumed to be
turbulent, which coincides with LAWPS feed rate and expected flow conditions (see Appendix
C).

9
In order to select materials for LAWPS components, select chemical constituents in each transfer
from DST 241-AP-107 to LAWPS were analyzed. The select chemicals that could influence
corrosion parameters in the waste feed include:
 𝑪𝒍−
(Chloride)
 𝑭−
(Fluoride)
 𝑵𝑶 𝟐
−
(Nitrite)
 𝑵𝑶3
−
(Nitrate)
 𝑶𝑯−
(Hydroxide)
 𝑺𝑶 𝟒
𝟐−
(Sulfate)
Data sorting and summary were performed and assembled in Appendix A. Assuming additional
flush water will be added to the system during and after transfers, the solids would dissolve.
Thus, the moles of solid were added to the moles of liquid for each constituent. Simple unit
conversions were applied (gallons to liters and kg-moles to g-moles).

10
5. RESULTS AND DISCUSSION
The concentration levels of each chemical constituent were tabulated and depicted according the
transfer. The results for each chemical component of interest are discussed below.
Chloride: The chloride concentration per waste feed transfer to LAWPS is shown in Figure 6.
The calculated concentration of chloride in each feed remained relatively close numerically,
staying between 0.0527 and 0.0870 g-mol/liter. The nominal value specified in RPP-SPEC-
56967, 0.0946 g-mol/liter, is higher than the maximum calculated concentration for chloride.
Chloride is a chemical constituent of great importance to consider when selecting component
materials for LAWPS. Chloride is the most common cause of pitting corrosion in SS because of
its ability to penetrate passivated stainless steel. When SS is subjected to a chloride rich
environment and the passive layer is degraded, the active alloy underneath will readily react
with chloride ions to corrode the alloy. Once the active alloy is subject to chloride, the chloride
will react with chromium to form chromium chloride (CrCl3), leaving the active iron subjected
to the chloride rich environment. This leads to iron reacting with the chloride ions, forming
ferric chloride (FeCl3) which is highly corrosive to stainless steel. Chloride is the most
aggressive, corroding chemical constituent to consider during material selection because of its
affinity for metal ions. Thus chloride ions induce many corrosion mechanisms, most notably
pitting corrosion. Chloride is detrimental to stainless steel, but when the chloride is found in a
corrosive medium which has a low pH and elevated temperatures, its corrosive propensity
magnify, which leads to a higher probability of corrosion to occur.
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
Totalg-moles/literCl-
Transfer ID
Cl-
Figure 6. Chloride concentration per feed batch.

11
Fluoride: The fluoride concentration per waste feed transfer to LAWPS is shown in Figure 7.
The fluoride calculated concentration remained between 0.00424 and 0.0546 g-mol/liter. The
nominal value specified in RPP-SPEC-56967, 0.0651 g-mol/liter, is higher than the maximum
calculated concentration for fluoride.
Fluoride is a halide, as is chlorine, with comparable corrosive properties. Fluoride is extremely
corrosive like chloride because of its ability to penetrate passivated stainless steel. Under
turbulent flow, particulates within the corrosive medium will serve to erode the passive oxide
layer of stainless steel, facilitating fluoride’s ability to react with chromium. This reaction
ultimately exposes the active iron to react with fluoride. Flow conditions make this chemical
constituent troublesome because it has the ability to be a driving factor in many of the corrosion
mechanisms.
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
Totalg-moles/literF-
Transfer ID
F-
Figure 7. Fluoride concentration per feed batch.

12
Nitrite: The nitrite concentration per waste feed transfer to LAWPS is shown in Figure 8. The
nitrite calculated concentration remains within the bounds of 0.858 and 2.214 g-mol/liter. The
nominal value specified in RPP-SPEC-56967, 1.02 g-mol/liter, falls within the lower half of this
range.
Under the assumption that the LAW being transported to LAWPS will not exceed a temperature
of 45℃, nitrite should not be problematic in the corrosion of stainless steel. Although, under
turbulent flow, if the passive layer is stripped from the surface of the alloy, nitrite will have the
opportunity to react with the chromium and iron elements of the stainless steel. This reaction
with iron would lead to the formation of ferrous nitrite (Fe(NO2)2), which would lead to pitting
and crevice corrosion. When considering stainless steel for LAWPS components, nitrite should
not prove detrimental to the integrity of the alloy, but when considering nitrite and its corrosive
abilities alongside the other chemical constituents that make up the corrosive medium, nitrite can
become detrimental.
0
0.5
1
1.5
2
2.5
Totalg-moles/literNO2-
Transfer ID
NO2-
Figure 8. Nitrite concentration per feed batch.

13
Nitrate: The nitrate concentration per waste feed transfer batch to LAWPS is shown in Figure 9.
The nitrate calculated concentration is between 1.096 and 2.392 g-mol/liter. The nominal value
specified in RPP-SPEC-56967, 1.78 g-mol/liter, falls within this range.
Since LAW being transported to LAWPS will not exceed a temperature of 45℃, nitrate is not
expected to penetrate the passive layer. However, considering the turbulent flow to LAWPS, the
erosion of the passive layer will lead to exposed surface area in which the chemical constituents
can react with chromium and iron. With nitrate reacting with the active iron, iron (III) nitrate
(Fe(NO3)3) would form, degrading the alloy and leading to pitting and crevice corrosion.
Although nitrate is not a corrosive constituent acting alone, when part of the halide rich medium
passing over the alloy, nitrates and particulates in turbulence will erode the passive layer,
increasing the risk of corrosion occurring.
0
0.5
1
1.5
2
2.5
3
Totalg-moles/literNO3-
Transfer ID
NO3-
Figure 9. Nitrate concentration per feed batch.

14
Hydroxide: The hydroxide concentration per waste feed transfer to LAWPS is shown in Figure
10. The hydroxide calculated concentration ranged between 0.656 and 1.914 g-mol/liter. The
nominal value specified in RPP-SPEC-56967, 1.41 g-mol/liter, falls within this range.
Hydroxide alone has a low probability of corroding stainless steel because of its inability to
permeate the passive layer. Hydroxide will not actively degrade or dissolute the chromium oxide
passive layer present in stainless steel alloys. The primary concern with hydroxide exposure is
erosion of the passive layer due to particulates in the medium. In addition, the presence of
halides (chloride and fluoride) within the corrosive medium proves detrimental. The erosion of
the passive layer due to turbulent flow of LAW increases the chances of hydroxide, as well as
the halides, propagating corrosion in the alloy. Once the constituent reaches the active alloy, the
hydroxide will react with the iron to form iron (III) oxide (Fe2O3) which will corrode the alloy
and spread throughout.
0
0.5
1
1.5
2
2.5
Totalg-moles/literOH-
Transfer ID
OH-
Figure 10. Hydroxide concentration per feed batch.

15
Sulfate: The sulfate concentration per waste feed transfer to LAWPS is shown in Figure 11. The
sulfate calculated concentration range is between 0.0314 and 0.107 g-mol/liter. The nominal
value specified in RPP-SPEC-56967, 0.0661 g-mol/liter, falls within the upper end of this range.
Sulfate is another chemical constituent that does not have the ability to penetrate that chromium
oxide passive layer. Due to turbulent flow, consideration of this constituent is necessary because
of the erosion of the passive layer by abrasion. The abrasion leads to the reaction between
sulfate and iron, forming iron (II) sulfate (FeSO4). This corrosion will affect the reformation of
the degraded passive layer and ultimately lead to corrosion within the alloy. Although corrosion
is plausible in this case, sulfate should not contribute to the corrosion of stainless steel because
of its inability to reach the active layer of the alloy.
0
0.02
0.04
0.06
0.08
0.1
0.12
Totalg-moles/literSO4-2
Transfer ID
SO4-2
Figure 11. Sulfate concentration per feed batch.

16
6. CONCLUSIONS AND RECOMMENDATIONS
In this document, several corrosion mechanisms were evaluated on their ability to corrode
stainless steel. Following the assumptions made when performing research, erosion is the
biggest factor that will lead to corrosion in the alloy. Particulates within the medium will
degrade the passive layer as they flow turbulently over the alloy, which will give the chemical
constituents the opportunity to react with the active metal below. Of the chemical constituents,
the halides (chloride and fluoride) are the leading cause of the corrosion mechanisms evaluated.
Chloride and fluoride are able to permeate the passive layer, which makes them extremely
dangerous to stainless steels. With this in mind, more research should be conducted, particularly
focusing on the cumulative effects of the chemical constituents on stainless steel, to observe how
the chemicals react with the alloy, and more importantly, how they react to the passive layer.
The recommended concentration range for chloride, fluoride, nitrite, nitrate, hydroxide, and
sulfate are summarized in Table 1. For chloride and fluoride, the nominal values specified in
RPP-SPEC-56967 were higher than the calculated concentrations using MMR-50043. For these
two chemical components, it is recommended that the nominal value in RPP-SPEC-56967 be
used as the maximum value for the concentration range. For the other chemical components, it is
recommended that the calculated concentration ranges be used for facilitating material selection
for LAWPS.
Table 1. Recommended Concentration Ranges For Chemical Components
Chemical
Components Minimum1 (g-mol/L) Maximum (g-mol/L)
Cl- 0.0527 0.09462
F- 0.00424 0.06512
NO2- 0.858 2.0221
NO3- 1.096 2.2801
OH- 0.646 1.6271
SO4-2 0.0315 0.1071
1
Minimum and maximum concentrations summarized per waste feed transfer from data
generated by HTWOS MMR-50043, FY2015 ROS.
2
Concentration values were taken from RPP-SPEC-56967.
Choosing between SS 304 and SS 316 for LAWPS components requires understanding the
cumulative effects of the chemical constituents found in LAW on SS. In this report, the
individual effects of chloride, fluoride, nitrite, nitrate, hydroxide, and sulfate in regards to
corrosion were investigated. While SS 316 provides superior corrosion resistance, SS 316 is
generally more expensive than SS 304 (about 30% more expensive).

17
7. REFERENCES
Chattoraj, I., Fundamentals of Corrosion & its Prevention, Nation Metallurgical Laboratory,
July 15, 2015, Jamshedpur, India.
DOE/ORP-2003-02, Environmental Impact Statement for Retrieval, Treatment, and Disposal of
Tank Waste and Closure of the Single Shell Tanks at the Hanford Site, Richland WA,
Inventory and Source Term Data Package, CH2M HILL Hanford Group, Richland, WA.
MMR-50043, Preliminary Reference Operating Scenario FY15 Modeling – Integrated V&V –
HTWOS v8.1, Rev.0, Washington River Protection Solutions, Richland, WA.
ORP-11242, River Protection Project System Plan, Rev.6, Washington River Protection
Solutions, Richland, WA.
Perry, R.H. & Green, D.W., 1997, Perry’s Chemical Engineers’ Handbook, McGraw-Hill, New
York, New York.
RPP-SPEC-17152, Hanford Tank Waste Operations Simulator (HTWOS) Version 7.9 Model
Design Document, Rev.11, Washington River Protection Solutions, Richland, WA.
RPP-SPEC-56967, Project T5L01 Low Activity Waste Pretreatment System Specification, Rev.
3, Washington River Protection Solutions, Richland, WA.
Sams, T.L., personal communication, July 14, 2015.

A-1
APPENDIX A
A1.0 – CALCULATION EXAMPLE
A2.0 – SORTED AND SUMMARIZED DATA FROM HTWOS MMR-50043

A-2
A1.0 CALCULATION EXAMPLE
1. Calculating Solids and Liquid Volumes
The HTWOS model run provided volumes for each liquids and solids fractions for specific time
periods. The time periods were correlated to Transfer Identification numbers by additional
HTWOS model data outputs. The liquids and solids total volumes for each transfer were
calculated by summing the total volumes of solids and liquids fractions for each set of time
periods corresponding to each specific Transfer Identification number.
𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝐿𝑖𝑞𝑢𝑖𝑑𝑠 ( 𝐺𝑎𝑙𝑙𝑜𝑛𝑠) = 𝐷𝑎𝑡𝑎 𝑝𝑜𝑖𝑛𝑡 1 + 𝐷𝑎𝑡𝑎 𝑃𝑜𝑖𝑛𝑡 2 + ⋯
𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝑆𝑜𝑙𝑖𝑑𝑠 ( 𝐺𝑎𝑙𝑙𝑜𝑛𝑠) = 𝐷𝑎𝑡𝑎 𝑝𝑜𝑖𝑛𝑡 1 + 𝐷𝑎𝑡𝑎 𝑃𝑜𝑖𝑛𝑡 2 + ⋯
For example, when the total volume in gallons for transfer 255 was calculated:
𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝐿𝑖𝑞𝑢𝑖𝑑𝑠 ( 𝐺𝑎𝑙𝑙𝑜𝑛𝑠) = 184039.854367055+ 58519.9554611513 + ⋯
= 1.15𝐸 + 06
𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝑆𝑜𝑙𝑖𝑑𝑠 ( 𝐺𝑎𝑙𝑙𝑜𝑛𝑠) = 76.1576738917888 + 24.2163181689399+ ⋯
= 4.82𝐸 + 02
2. Calculating Total Volume + Unit Conversion
To calculate the total amount of Volume in Liters for each transfer, the volume of liquid and
solids for each transfer were summed. This total Volume was then converted from gallons to
liters by multiplying the summed Volume quantity by the conversion factor to obtain total
Volume in Liters. The conversion factor of 3.78541 Liters/gallons as referenced in Perry’s
Chemical Engineers’ Handbook (Perry 1997) was used.
𝑇𝑜𝑡𝑎𝑙 𝑉𝑜𝑙𝑢𝑚𝑒 ( 𝐿𝑖𝑡𝑒𝑟𝑠)
= ( 𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝐿𝑖𝑞𝑢𝑖𝑑𝑠 𝑖𝑛 𝑔𝑎𝑙𝑙𝑜𝑛𝑠 + 𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝑆𝑜𝑙𝑖𝑑𝑠 𝑖𝑛 𝑔𝑎𝑙𝑙𝑜𝑛𝑠) ∗ 3.78541
For example, when the total volume in liters for transfer 255 was calculated:
𝑇𝑜𝑡𝑎𝑙 𝑉𝑜𝑙𝑢𝑚𝑒 ( 𝐿𝑖𝑡𝑒𝑟𝑠) = ((4.36𝐸 + 06) + (1.82𝐸 + 03)) ∗ 3.78541
3. Calculating Total kg-moles
To calculate the total kg-moles per chemical constituent, the kg-moles were summed up per each
set of time periods corresponding to each Transfer Identification number.
𝑇𝑜𝑡𝑎𝑙 𝑘𝑔 − 𝑚𝑜𝑙𝑒𝑠 ( 𝑝𝑒𝑟 𝑐ℎ𝑒𝑚. 𝑐𝑜𝑚𝑝𝑜𝑢𝑛𝑑) = 𝐷𝑎𝑡𝑎 𝑝𝑜𝑖𝑛𝑡 1+ 𝐷𝑎𝑡𝑎 𝑝𝑜𝑖𝑛𝑡 2+ ⋯
For example, when the total kg-moles of Cl- was calculated for transfer 255:
𝑇𝑜𝑡𝑎𝑙 𝑘𝑔 − 𝑚𝑜𝑙𝑒𝑠 𝐶𝑙−
= 60.1524429749637+ 19.1269347281388 + ⋯
4. Calculating Total Chemical Composition per Waste Feed Transfer Identification
Number

A-3
To calculate the concentration of each chemical constituent (total kg-moles/liter), the total kg-
moles of each chemical was divided by the total volume in liters.
𝑇𝑜𝑡𝑎𝑙
𝑘𝑔 − 𝑚𝑜𝑙𝑒𝑠
𝑙𝑖𝑡𝑒𝑟
( 𝑝𝑒𝑟 𝑐ℎ𝑒𝑚. 𝑐𝑜𝑚𝑝𝑜𝑢𝑛𝑑) =
𝑡𝑜𝑡𝑎𝑙 𝑘𝑔 − 𝑚𝑜𝑙𝑒𝑠 (𝑝𝑒𝑟 𝑐ℎ𝑒𝑚𝑖𝑐𝑎𝑙)
𝑡𝑜𝑡𝑎𝑙 𝑣𝑜𝑙𝑢𝑚𝑒 𝑖𝑛 𝑙𝑖𝑡𝑒𝑟𝑠
For example, when the concentration of Cl- was calculated:
𝑇𝑜𝑡𝑎𝑙
𝑘𝑔 − 𝑚𝑜𝑙
𝐶𝑙−
=
3.77𝐸 + 02
4.36𝐸 + 06
= 8.63𝐸 − 05
5. Unit Conversion
The total concentration of each chemical constituent were converted from kg-moles/liter to g-
moles/liter by multiplying the concentration value by the conversion factor of 1000.
= 1000
𝑔 − 𝑚𝑜𝑙
For example, when the concentration of Cl- was converted from kg-mol/liter to g-mol/liter:
8.63𝐸 − 05
𝐶𝑙−= 8.63𝐸 − 02
𝑔 − 𝑚𝑜𝑙
𝐶𝑙 −

A-4
A2.0 SORTED AND SUMMARIZED DATA FROM HTWOS MMR-50043
Date Transfer ID Constituent Liquid Solid
11/1/2021 255 Cl- 6.02E+01 0
11/1/2021 255 F- 3.77E+01 3.24E-01
11/1/2021 255 Na+ 4.04E+03 5.33E+00
11/1/2021 255 NO2- 6.69E+02 0
11/1/2021 255 NO3- 1.02E+03 0
11/1/2021 255 OH- 1.33E+03 0
11/1/2021 255 SO4-2 5.19E+01 0
3/1/2022 255 Cl- 1.91E+01 0
3/1/2022 255 F- 1.20E+01 1.03E-01
3/1/2022 255 Na+ 1.29E+03 1.69E+00
3/1/2022 255 NO2- 2.13E+02 0
3/1/2022 255 NO3- 3.23E+02 0
3/1/2022 255 OH- 4.24E+02 0
3/1/2022 255 SO4-2 1.65E+01 0
4/1/2022 255 Cl- 5.47E+01 0
4/1/2022 255 F- 3.43E+01 2.95E-01
4/1/2022 255 Na+ 3.68E+03 4.85E+00
4/1/2022 255 NO2- 6.09E+02 0
4/1/2022 255 NO3- 9.24E+02 0
4/1/2022 255 OH- 1.21E+03 0
4/1/2022 255 SO4-2 4.72E+01 0
5/1/2022 255 Cl- 2.18E+01 0
5/1/2022 255 F- 1.37E+01 1.17E-01
5/1/2022 255 Na+ 1.47E+03 1.93E+00
5/1/2022 255 NO2- 2.42E+02 0
5/1/2022 255 NO3- 3.68E+02 0
5/1/2022 255 OH- 4.83E+02 0
5/1/2022 255 SO4-2 1.88E+01 0
6/1/2022 255 Cl- 1.91E+01 0
6/1/2022 255 F- 1.20E+01 1.03E-01
6/1/2022 255 Na+ 1.29E+03 1.70E+00
6/1/2022 255 NO2- 2.13E+02 0
6/1/2022 255 NO3- 3.23E+02 0
6/1/2022 255 OH- 4.24E+02 0
6/1/2022 255 SO4-2 1.65E+01 0
7/1/2022 255 Cl- 1.91E+01 0
7/1/2022 255 F- 1.20E+01 1.03E-01
7/1/2022 255 Na+ 1.29E+03 1.70E+00
7/1/2022 255 NO2- 2.13E+02 0
7/1/2022 255 NO3- 3.23E+02 0
7/1/2022 255 OH- 4.24E+02 0
7/1/2022 255 SO4-2 1.65E+01 0
8/1/2022 255 Cl- 1.91E+01 0
8/1/2022 255 F- 1.20E+01 1.03E-01
8/1/2022 255 Na+ 1.29E+03 1.70E+00
8/1/2022 255 NO2- 2.13E+02 0
8/1/2022 255 NO3- 3.23E+02 0
8/1/2022 255 OH- 4.24E+02 0
8/1/2022 255 SO4-2 1.65E+01 0
9/1/2022 255 Cl- 4.96E+01 0
9/1/2022 255 F- 3.11E+01 2.68E-01
9/1/2022 255 Na+ 3.33E+03 4.42E+00
9/1/2022 255 NO2- 5.52E+02 0
9/1/2022 255 NO3- 8.38E+02 0
9/1/2022 255 OH- 1.10E+03 0
9/1/2022 255 SO4-2 4.28E+01 0
10/1/2022 255 Cl- 4.60E+01 0
10/1/2022 255 F- 2.89E+01 2.51E-01
10/1/2022 255 Na+ 3.10E+03 4.13E+00
10/1/2022 255 NO2- 5.12E+02 0
10/1/2022 255 NO3- 7.78E+02 0
10/1/2022 255 OH- 1.02E+03 0
10/1/2022 255 SO4-2 3.97E+01 0
11/1/2022 255 Cl- 3.83E+01 0
11/1/2022 255 F- 2.40E+01 2.10E-01
11/1/2022 255 Na+ 2.57E+03 3.46E+00
11/1/2022 255 NO2- 4.26E+02 0
11/1/2022 255 NO3- 6.46E+02 0
11/1/2022 255 OH- 8.48E+02 0
11/1/2022 255 SO4-2 3.30E+01 0
12/1/2022 348 Cl- 2.96E+01 0
12/1/2022 348 F- 1.85E+01 1.67E-01
12/1/2022 348 Na+ 1.99E+03 2.76E+00
12/1/2022 348 NO2- 3.29E+02 0

A-5
12/1/2022 348 NO3- 5.00E+02 0
12/1/2022 348 OH- 6.56E+02 0
12/1/2022 348 SO4-2 2.55E+01 0
1/1/2023 348 Cl- 5.69E+01 0
1/1/2023 348 F- 1.27E+01 0
1/1/2023 348 Na+ 3.68E+03 4.33E+00
1/1/2023 348 NO2- 7.69E+02 0
1/1/2023 348 NO3- 1.10E+03 0
1/1/2023 348 OH- 8.99E+02 0
1/1/2023 348 SO4-2 4.11E+01 0
2/1/2023 348 Cl- 4.82E+01 0
2/1/2023 348 F- 1.08E+01 0
2/1/2023 348 Na+ 3.11E+03 3.67E+00
2/1/2023 348 NO2- 6.51E+02 0
2/1/2023 348 NO3- 9.35E+02 0
2/1/2023 348 OH- 7.61E+02 0
2/1/2023 348 SO4-2 3.48E+01 0
3/1/2023 348 Cl- 4.36E+01 0
3/1/2023 348 F- 9.73E+00 0
3/1/2023 348 Na+ 2.82E+03 3.32E+00
3/1/2023 348 NO2- 5.89E+02 0
3/1/2023 348 NO3- 8.46E+02 0
3/1/2023 348 OH- 6.89E+02 0
3/1/2023 348 SO4-2 3.15E+01 0
4/1/2023 348 Cl- 5.28E+01 0
4/1/2023 348 F- 1.18E+01 0
4/1/2023 348 Na+ 3.41E+03 4.03E+00
4/1/2023 348 NO2- 7.13E+02 0
4/1/2023 348 NO3- 1.02E+03 0
4/1/2023 348 OH- 8.34E+02 0
4/1/2023 348 SO4-2 3.81E+01 0
5/1/2023 348 Cl- 4.30E+01 0
5/1/2023 348 F- 9.60E+00 0
5/1/2023 348 Na+ 2.78E+03 3.30E+00
5/1/2023 348 NO2- 5.82E+02 0
5/1/2023 348 NO3- 8.35E+02 0
5/1/2023 348 OH- 6.80E+02 0
5/1/2023 348 SO4-2 3.11E+01 0
6/1/2023 348 Cl- 5.33E+01 0
6/1/2023 348 F- 1.19E+01 0
6/1/2023 348 Na+ 3.45E+03 4.13E+00
6/1/2023 348 NO2- 7.21E+02 0
6/1/2023 348 NO3- 1.03E+03 0
6/1/2023 348 OH- 8.43E+02 0
6/1/2023 348 SO4-2 3.85E+01 0
7/1/2023 348 Cl- 3.74E+01 0
7/1/2023 348 F- 8.36E+00 0
7/1/2023 348 Na+ 2.42E+03 3.00E+00
7/1/2023 348 NO2- 5.06E+02 0
7/1/2023 348 NO3- 7.27E+02 0
7/1/2023 348 OH- 5.92E+02 0
7/1/2023 348 SO4-2 2.70E+01 0
8/1/2023 430 Cl- 1.54E+01 0
8/1/2023 430 F- 4.72E+00 0
8/1/2023 430 Na+ 1.20E+03 1.19E+00
8/1/2023 430 NO2- 2.26E+02 0
8/1/2023 430 NO3- 3.42E+02 0
8/1/2023 430 OH- 3.47E+02 0
8/1/2023 430 SO4-2 8.53E+00 0
9/1/2023 430 Cl- 6.54E+01 0
9/1/2023 430 F- 2.01E+01 0
9/1/2023 430 Na+ 5.09E+03 5.06E+00
9/1/2023 430 NO2- 9.64E+02 0
9/1/2023 430 NO3- 1.45E+03 0
9/1/2023 430 OH- 1.48E+03 0
9/1/2023 430 SO4-2 3.63E+01 0
10/1/2023 430 Cl- 4.98E+01 0
10/1/2023 430 F- 1.53E+01 0
10/1/2023 430 Na+ 3.87E+03 3.85E+00
10/1/2023 430 NO2- 7.33E+02 0
10/1/2023 430 NO3- 1.11E+03 0
10/1/2023 430 OH- 1.12E+03 0
10/1/2023 430 SO4-2 2.76E+01 0
11/1/2023 430 Cl- 5.23E+01 0
11/1/2023 430 F- 1.60E+01 0
11/1/2023 430 Na+ 4.06E+03 4.07E+00
11/1/2023 430 NO2- 7.70E+02 0
11/1/2023 430 NO3- 1.16E+03 0

A-6
11/1/2023 430 OH- 1.18E+03 0
11/1/2023 430 SO4-2 2.90E+01 0
12/1/2023 430 Cl- 5.77E+01 0
12/1/2023 430 F- 1.77E+01 0
12/1/2023 430 Na+ 4.49E+03 4.54E+00
12/1/2023 430 NO2- 8.51E+02 0
12/1/2023 430 NO3- 1.28E+03 0
12/1/2023 430 OH- 1.30E+03 0
12/1/2023 430 SO4-2 3.20E+01 0
1/1/2024 502 Cl- 2.73E+01 0
1/1/2024 502 F- 8.36E+00 0
1/1/2024 502 Na+ 2.12E+03 2.20E+00
1/1/2024 502 NO2- 4.01E+02 0
1/1/2024 502 NO3- 6.06E+02 0
1/1/2024 502 OH- 6.15E+02 0
1/1/2024 502 SO4-2 1.51E+01 0
2/1/2024 502 Cl- 6.21E+01 0
2/1/2024 502 F- 2.27E+01 0
2/1/2024 502 Na+ 4.89E+03 3.05E+00
2/1/2024 502 NO2- 9.10E+02 0
2/1/2024 502 NO3- 1.49E+03 0
2/1/2024 502 OH- 1.38E+03 0
2/1/2024 502 SO4-2 3.16E+01 0
3/1/2024 502 Cl- 5.15E+01 0
3/1/2024 502 F- 1.88E+01 0
3/1/2024 502 Na+ 4.05E+03 2.53E+00
3/1/2024 502 NO2- 7.54E+02 0
3/1/2024 502 NO3- 1.23E+03 0
3/1/2024 502 OH- 1.14E+03 0
3/1/2024 502 SO4-2 2.62E+01 0
4/1/2024 502 Cl- 4.87E+01 0
4/1/2024 502 F- 1.78E+01 0
4/1/2024 502 Na+ 3.83E+03 2.40E+00
4/1/2024 502 NO2- 7.13E+02 0
4/1/2024 502 NO3- 1.17E+03 0
4/1/2024 502 OH- 1.08E+03 0
4/1/2024 502 SO4-2 2.48E+01 0
5/1/2024 502 Cl- 4.52E+01 0
5/1/2024 502 F- 1.65E+01 0
5/1/2024 502 Na+ 3.55E+03 2.24E+00
5/1/2024 502 NO2- 6.62E+02 0
5/1/2024 502 NO3- 1.08E+03 0
5/1/2024 502 OH- 1.00E+03 0
5/1/2024 502 SO4-2 2.30E+01 0
6/1/2024 502 Cl- 5.81E+01 0
6/1/2024 502 F- 2.12E+01 0
6/1/2024 502 Na+ 4.57E+03 2.91E+00
6/1/2024 502 NO2- 8.50E+02 0
6/1/2024 502 NO3- 1.39E+03 0
6/1/2024 502 OH- 1.29E+03 0
6/1/2024 502 SO4-2 2.96E+01 0
7/1/2024 576 Cl- 3.99E+01 0
7/1/2024 576 F- 1.12E+01 0
7/1/2024 576 Na+ 3.06E+03 1.95E+00
7/1/2024 576 NO2- 6.12E+02 0
7/1/2024 576 NO3- 8.29E+02 0
7/1/2024 576 OH- 8.47E+02 0
7/1/2024 576 SO4-2 2.73E+01 0
8/1/2024 576 Cl- 6.45E+01 0
8/1/2024 576 F- 1.33E+01 0
8/1/2024 576 Na+ 4.84E+03 2.98E+00
8/1/2024 576 NO2- 1.03E+03 0
8/1/2024 576 NO3- 1.16E+03 0
8/1/2024 576 OH- 1.32E+03 0
8/1/2024 576 SO4-2 5.41E+01 0
9/1/2024 576 Cl- 5.85E+01 0
9/1/2024 576 F- 1.21E+01 0
9/1/2024 576 Na+ 4.40E+03 2.71E+00
9/1/2024 576 NO2- 9.35E+02 0
9/1/2024 576 NO3- 1.05E+03 0
9/1/2024 576 OH- 1.19E+03 0
9/1/2024 576 SO4-2 4.91E+01 0
10/1/2024 576 Cl- 4.74E+01 0
10/1/2024 576 F- 9.77E+00 0
10/1/2024 576 Na+ 3.56E+03 2.21E+00
10/1/2024 576 NO2- 7.58E+02 0
10/1/2024 576 NO3- 8.54E+02 0
10/1/2024 576 OH- 9.68E+02 0

A-7
10/1/2024 576 SO4-2 3.97E+01 0
11/1/2024 576 Cl- 5.51E+01 0
11/1/2024 576 F- 1.13E+01 0
11/1/2024 576 Na+ 4.14E+03 2.59E+00
11/1/2024 576 NO2- 8.80E+02 0
11/1/2024 576 NO3- 9.92E+02 0
11/1/2024 576 OH- 1.12E+03 0
11/1/2024 576 SO4-2 4.62E+01 0
12/1/2024 642 Cl- 2.96E+01 0
12/1/2024 642 F- 6.11E+00 0
12/1/2024 642 Na+ 2.23E+03 1.43E+00
12/1/2024 642 NO2- 4.74E+02 0
12/1/2024 642 NO3- 5.34E+02 0
12/1/2024 642 OH- 6.05E+02 0
12/1/2024 642 SO4-2 2.49E+01 0
1/1/2025 642 Cl- 4.41E+01 0
1/1/2025 642 F- 2.04E+01 0
1/1/2025 642 Na+ 4.59E+03 2.93E+00
1/1/2025 642 NO2- 7.24E+02 0
1/1/2025 642 NO3- 1.24E+03 0
1/1/2025 642 OH- 1.12E+03 0
1/1/2025 642 SO4-2 2.59E+01 0
2/1/2025 642 Cl- 3.64E+01 0
2/1/2025 642 F- 1.69E+01 0
2/1/2025 642 Na+ 3.79E+03 2.43E+00
2/1/2025 642 NO2- 5.98E+02 0
2/1/2025 642 NO3- 1.02E+03 0
2/1/2025 642 OH- 9.29E+02 0
2/1/2025 642 SO4-2 2.14E+01 0
3/1/2025 642 Cl- 3.54E+01 0
3/1/2025 642 F- 1.64E+01 0
3/1/2025 642 Na+ 3.68E+03 2.36E+00
3/1/2025 642 NO2- 5.81E+02 0
3/1/2025 642 NO3- 9.91E+02 0
3/1/2025 642 OH- 9.02E+02 0
3/1/2025 642 SO4-2 2.08E+01 0
4/1/2025 642 Cl- 3.71E+01 0
4/1/2025 642 F- 1.72E+01 0
4/1/2025 642 Na+ 3.86E+03 2.49E+00
4/1/2025 642 NO2- 6.09E+02 0
4/1/2025 642 NO3- 1.04E+03 0
4/1/2025 642 OH- 9.46E+02 0
4/1/2025 642 SO4-2 2.18E+01 0
5/1/2025 642 Cl- 4.05E+01 0
5/1/2025 642 F- 1.88E+01 0
5/1/2025 642 Na+ 4.22E+03 2.75E+00
5/1/2025 642 NO2- 6.66E+02 0
5/1/2025 642 NO3- 1.14E+03 0
5/1/2025 642 OH- 1.03E+03 0
5/1/2025 642 SO4-2 2.38E+01 0
6/1/2025 717 Cl- 2.78E+01 0
6/1/2025 717 F- 9.85E+00 0
6/1/2025 717 Na+ 2.55E+03 1.66E+00
6/1/2025 717 NO2- 4.25E+02 0
6/1/2025 717 NO3- 6.77E+02 0
6/1/2025 717 OH- 6.65E+02 0
6/1/2025 717 SO4-2 1.86E+01 0
7/1/2025 717 Cl- 6.26E+01 0
7/1/2025 717 F- 1.36E+01 0
7/1/2025 717 Na+ 4.76E+03 2.93E+00
7/1/2025 717 NO2- 8.66E+02 0
7/1/2025 717 NO3- 1.24E+03 0
7/1/2025 717 OH- 1.37E+03 0
7/1/2025 717 SO4-2 4.85E+01 0
8/1/2025 717 Cl- 5.19E+01 0
8/1/2025 717 F- 1.13E+01 0
8/1/2025 717 Na+ 3.95E+03 2.44E+00
8/1/2025 717 NO2- 7.18E+02 0
8/1/2025 717 NO3- 1.03E+03 0
8/1/2025 717 OH- 1.14E+03 0
8/1/2025 717 SO4-2 4.02E+01 0
9/1/2025 717 Cl- 5.39E+01 0
9/1/2025 717 F- 1.17E+01 0
9/1/2025 717 Na+ 4.10E+03 2.54E+00
9/1/2025 717 NO2- 7.46E+02 0
9/1/2025 717 NO3- 1.06E+03 0
9/1/2025 717 OH- 1.18E+03 0
9/1/2025 717 SO4-2 4.17E+01 0

A-8
10/1/2025 717 Cl- 4.88E+01 0
10/1/2025 717 F- 1.06E+01 0
10/1/2025 717 Na+ 3.71E+03 2.32E+00
10/1/2025 717 NO2- 6.76E+02 0
10/1/2025 717 NO3- 9.64E+02 0
10/1/2025 717 OH- 1.07E+03 0
10/1/2025 717 SO4-2 3.78E+01 0
11/1/2025 717 Cl- 4.30E+01 0
11/1/2025 717 F- 9.33E+00 0
11/1/2025 717 Na+ 3.27E+03 2.10E+00
11/1/2025 717 NO2- 5.94E+02 0
11/1/2025 717 NO3- 8.48E+02 0
11/1/2025 717 OH- 9.41E+02 0
11/1/2025 717 SO4-2 3.33E+01 0
12/1/2025 807 Cl- 5.26E+01 0
12/1/2025 807 F- 1.56E+01 0
12/1/2025 807 Na+ 4.17E+03 1.97E+00
12/1/2025 807 NO2- 8.17E+02 0
12/1/2025 807 NO3- 1.09E+03 0
12/1/2025 807 OH- 8.53E+02 0
12/1/2025 807 SO4-2 8.00E+01 0
1/1/2026 807 Cl- 3.36E+01 0
1/1/2026 807 F- 9.96E+00 0
1/1/2026 807 Na+ 2.66E+03 1.26E+00
1/1/2026 807 NO2- 5.22E+02 0
1/1/2026 807 NO3- 6.95E+02 0
1/1/2026 807 OH- 5.45E+02 0
1/1/2026 807 SO4-2 5.12E+01 0
2/1/2026 807 Cl- 3.69E+01 0
2/1/2026 807 F- 1.09E+01 0
2/1/2026 807 Na+ 2.93E+03 1.39E+00
2/1/2026 807 NO2- 5.74E+02 0
2/1/2026 807 NO3- 7.64E+02 0
2/1/2026 807 OH- 5.99E+02 0
2/1/2026 807 SO4-2 5.62E+01 0
3/1/2026 807 Cl- 2.34E+01 0
3/1/2026 807 F- 6.93E+00 0
3/1/2026 807 Na+ 1.85E+03 8.79E-01
3/1/2026 807 NO2- 3.63E+02 0
3/1/2026 807 NO3- 4.84E+02 0
3/1/2026 807 OH- 3.79E+02 0
3/1/2026 807 SO4-2 3.56E+01 0
4/1/2026 807 Cl- 3.13E+01 0
4/1/2026 807 F- 9.28E+00 0
4/1/2026 807 Na+ 2.48E+03 1.18E+00
4/1/2026 807 NO2- 4.86E+02 0
4/1/2026 807 NO3- 6.48E+02 0
4/1/2026 807 OH- 5.08E+02 0
4/1/2026 807 SO4-2 4.76E+01 0
5/1/2026 807 Cl- 3.13E+01 0
5/1/2026 807 F- 9.28E+00 0
5/1/2026 807 Na+ 2.48E+03 1.18E+00
5/1/2026 807 NO2- 4.86E+02 0
5/1/2026 807 NO3- 6.48E+02 0
5/1/2026 807 OH- 5.08E+02 0
5/1/2026 807 SO4-2 4.76E+01 0
6/1/2026 807 Cl- 3.13E+01 0
6/1/2026 807 F- 9.28E+00 0
6/1/2026 807 Na+ 2.48E+03 1.19E+00
6/1/2026 807 NO2- 4.86E+02 0
6/1/2026 807 NO3- 6.48E+02 0
6/1/2026 807 OH- 5.08E+02 0
6/1/2026 807 SO4-2 4.76E+01 0
7/1/2026 807 Cl- 3.13E+01 0
7/1/2026 807 F- 9.28E+00 0
7/1/2026 807 Na+ 2.48E+03 1.21E+00
7/1/2026 807 NO2- 4.86E+02 0
7/1/2026 807 NO3- 6.48E+02 0
7/1/2026 807 OH- 5.08E+02 0
7/1/2026 807 SO4-2 4.76E+01 0
8/1/2026 928 Cl- 1.32E+01 0
8/1/2026 928 F- 3.92E+00 0
8/1/2026 928 Na+ 1.05E+03 5.23E-01
8/1/2026 928 NO2- 2.05E+02 0
8/1/2026 928 NO3- 2.74E+02 0
8/1/2026 928 OH- 2.14E+02 0
8/1/2026 928 SO4-2 2.01E+01 0
9/1/2026 928 Cl- 3.87E+01 0

A-9
9/1/2026 928 F- 9.01E+00 0
9/1/2026 928 Na+ 3.11E+03 1.45E+00
9/1/2026 928 NO2- 1.11E+03 0
9/1/2026 928 NO3- 6.39E+02 0
9/1/2026 928 OH- 6.50E+02 0
9/1/2026 928 SO4-2 3.26E+01 0
10/1/2026 928 Cl- 4.09E+01 0
10/1/2026 928 F- 9.52E+00 0
10/1/2026 928 Na+ 3.29E+03 1.53E+00
10/1/2026 928 NO2- 1.17E+03 0
10/1/2026 928 NO3- 6.75E+02 0
10/1/2026 928 OH- 6.87E+02 0
10/1/2026 928 SO4-2 3.44E+01 0
11/1/2026 928 Cl- 4.13E+01 0
11/1/2026 928 F- 9.62E+00 0
11/1/2026 928 Na+ 3.32E+03 1.55E+00
11/1/2026 928 NO2- 1.19E+03 0
11/1/2026 928 NO3- 6.82E+02 0
11/1/2026 928 OH- 6.94E+02 0
11/1/2026 928 SO4-2 3.48E+01 0
12/1/2026 928 Cl- 5.13E+01 0
12/1/2026 928 F- 1.20E+01 0
12/1/2026 928 Na+ 4.12E+03 1.94E+00
12/1/2026 928 NO2- 1.47E+03 0
12/1/2026 928 NO3- 8.47E+02 0
12/1/2026 928 OH- 8.62E+02 0
12/1/2026 928 SO4-2 4.32E+01 0
1/1/2027 928 Cl- 4.63E+01 0
1/1/2027 928 F- 1.08E+01 0
1/1/2027 928 Na+ 3.72E+03 1.76E+00
1/1/2027 928 NO2- 1.33E+03 0
1/1/2027 928 NO3- 7.65E+02 0
1/1/2027 928 OH- 7.78E+02 0
1/1/2027 928 SO4-2 3.90E+01 0
2/1/2027 928 Cl- 3.98E+01 0
2/1/2027 928 F- 9.28E+00 0
2/1/2027 928 Na+ 3.20E+03 1.55E+00
2/1/2027 928 NO2- 1.14E+03 0
2/1/2027 928 NO3- 6.58E+02 0
2/1/2027 928 OH- 6.70E+02 0
2/1/2027 928 SO4-2 3.36E+01 0
3/1/2027 1022 Cl- 4.33E+01 0
3/1/2027 1022 F- 8.36E+00 0
3/1/2027 1022 Na+ 3.63E+03 1.69E+00
3/1/2027 1022 NO2- 1.44E+03 0
3/1/2027 1022 NO3- 7.12E+02 0
3/1/2027 1022 OH- 7.50E+02 0
3/1/2027 1022 SO4-2 3.26E+01 0
4/1/2027 1022 Cl- 5.16E+01 0
4/1/2027 1022 F- 9.96E+00 0
4/1/2027 1022 Na+ 4.33E+03 2.01E+00
4/1/2027 1022 NO2- 1.71E+03 0
4/1/2027 1022 NO3- 8.48E+02 0
4/1/2027 1022 OH- 8.93E+02 0
4/1/2027 1022 SO4-2 3.88E+01 0
5/1/2027 1022 Cl- 4.43E+01 0
5/1/2027 1022 F- 8.56E+00 0
5/1/2027 1022 Na+ 3.72E+03 1.73E+00
5/1/2027 1022 NO2- 1.47E+03 0
5/1/2027 1022 NO3- 7.29E+02 0
5/1/2027 1022 OH- 7.68E+02 0
5/1/2027 1022 SO4-2 3.33E+01 0
6/1/2027 1022 Cl- 5.04E+01 0
6/1/2027 1022 F- 9.73E+00 0
6/1/2027 1022 Na+ 4.23E+03 1.98E+00
6/1/2027 1022 NO2- 1.67E+03 0
6/1/2027 1022 NO3- 8.28E+02 0
6/1/2027 1022 OH- 8.72E+02 0
6/1/2027 1022 SO4-2 3.79E+01 0
7/1/2027 1022 Cl- 5.31E+01 0
7/1/2027 1022 F- 1.03E+01 0
7/1/2027 1022 Na+ 4.45E+03 2.11E+00
7/1/2027 1022 NO2- 1.76E+03 0
7/1/2027 1022 NO3- 8.72E+02 0
7/1/2027 1022 OH- 9.19E+02 0
7/1/2027 1022 SO4-2 3.99E+01 0
8/1/2027 1115 Cl- 2.64E+01 0
8/1/2027 1115 F- 5.09E+00 0

A-10
8/1/2027 1115 Na+ 2.21E+03 1.08E+00
8/1/2027 1115 NO2- 8.74E+02 0
8/1/2027 1115 NO3- 4.33E+02 0
8/1/2027 1115 OH- 4.56E+02 0
8/1/2027 1115 SO4-2 1.98E+01 0
9/1/2027 1115 Cl- 5.77E+01 0
9/1/2027 1115 F- 5.37E+00 0
9/1/2027 1115 Na+ 4.32E+03 2.01E+00
9/1/2027 1115 NO2- 1.37E+03 0
9/1/2027 1115 NO3- 9.55E+02 0
9/1/2027 1115 OH- 1.12E+03 0
9/1/2027 1115 SO4-2 3.51E+01 0
10/1/2027 1115 Cl- 5.90E+01 0
10/1/2027 1115 F- 5.49E+00 0
10/1/2027 1115 Na+ 4.42E+03 2.06E+00
10/1/2027 1115 NO2- 1.40E+03 0
10/1/2027 1115 NO3- 9.77E+02 0
10/1/2027 1115 OH- 1.15E+03 0
10/1/2027 1115 SO4-2 3.59E+01 0
11/1/2027 1115 Cl- 5.24E+01 0
11/1/2027 1115 F- 4.87E+00 0
11/1/2027 1115 Na+ 3.92E+03 1.83E+00
11/1/2027 1115 NO2- 1.24E+03 0
11/1/2027 1115 NO3- 8.67E+02 0
11/1/2027 1115 OH- 1.02E+03 0
11/1/2027 1115 SO4-2 3.19E+01 0
12/1/2027 1115 Cl- 5.05E+01 0
12/1/2027 1115 F- 4.69E+00 0
12/1/2027 1115 Na+ 3.78E+03 1.77E+00
12/1/2027 1115 NO2- 1.20E+03 0
12/1/2027 1115 NO3- 8.35E+02 0
12/1/2027 1115 OH- 9.81E+02 0
12/1/2027 1115 SO4-2 3.07E+01 0
1/1/2028 1115 Cl- 5.73E+01 0
1/1/2028 1115 F- 5.33E+00 0
1/1/2028 1115 Na+ 4.29E+03 2.06E+00
1/1/2028 1115 NO2- 1.36E+03 0
1/1/2028 1115 NO3- 9.48E+02 0
1/1/2028 1115 OH- 1.11E+03 0
1/1/2028 1115 SO4-2 3.49E+01 0
2/1/2028 1198 Cl- 4.66E+01 0
2/1/2028 1198 F- 5.10E+00 0
2/1/2028 1198 Na+ 3.41E+03 1.59E+00
2/1/2028 1198 NO2- 8.92E+02 0
2/1/2028 1198 NO3- 9.06E+02 0
2/1/2028 1198 OH- 8.56E+02 0
2/1/2028 1198 SO4-2 3.01E+01 0
3/1/2028 1198 Cl- 5.26E+01 0
3/1/2028 1198 F- 5.75E+00 0
3/1/2028 1198 Na+ 3.85E+03 1.79E+00
3/1/2028 1198 NO2- 1.01E+03 0
3/1/2028 1198 NO3- 1.02E+03 0
3/1/2028 1198 OH- 9.66E+02 0
3/1/2028 1198 SO4-2 3.39E+01 0
4/1/2028 1251 Cl- 8.92E+00 0
4/1/2028 1251 F- 9.75E-01 0
4/1/2028 1251 Na+ 6.53E+02 3.04E-01
4/1/2028 1251 NO2- 1.71E+02 0
4/1/2028 1251 NO3- 1.73E+02 0
4/1/2028 1251 OH- 1.64E+02 0
4/1/2028 1251 SO4-2 5.75E+00 0
5/1/2028 1266 Cl- 1.88E+01 0
5/1/2028 1266 F- 2.05E+00 0
5/1/2028 1266 Na+ 1.37E+03 6.40E-01
5/1/2028 1266 NO2- 3.59E+02 0
5/1/2028 1266 NO3- 3.65E+02 0
5/1/2028 1266 OH- 3.45E+02 0
5/1/2028 1266 SO4-2 1.21E+01 0
6/1/2028 1266 Cl- 5.67E+01 0
6/1/2028 1266 F- 6.20E+00 0
6/1/2028 1266 Na+ 4.15E+03 1.93E+00
6/1/2028 1266 NO2- 1.08E+03 0
6/1/2028 1266 NO3- 1.10E+03 0
6/1/2028 1266 OH- 1.04E+03 0
6/1/2028 1266 SO4-2 3.65E+01 0
7/1/2028 1266 Cl- 5.26E+01 0
7/1/2028 1266 F- 5.75E+00 0
7/1/2028 1266 Na+ 3.85E+03 1.80E+00

A-11
7/1/2028 1266 NO2- 1.01E+03 0
7/1/2028 1266 NO3- 1.02E+03 0
7/1/2028 1266 OH- 9.65E+02 0
7/1/2028 1266 SO4-2 3.39E+01 0
8/1/2028 1266 Cl- 6.02E+01 0
8/1/2028 1266 F- 6.58E+00 0
8/1/2028 1266 Na+ 4.41E+03 2.10E+00
8/1/2028 1266 NO2- 1.15E+03 0
8/1/2028 1266 NO3- 1.17E+03 0
8/1/2028 1266 OH- 1.11E+03 0
8/1/2028 1266 SO4-2 3.88E+01 0
9/1/2028 1335 Cl- 2.98E+01 0
9/1/2028 1335 F- 2.95E+00 0
9/1/2028 1335 Na+ 2.27E+03 1.08E+00
9/1/2028 1335 NO2- 6.98E+02 0
9/1/2028 1335 NO3- 5.93E+02 0
9/1/2028 1335 OH- 4.98E+02 0
9/1/2028 1335 SO4-2 2.03E+01 0
10/1/2028 1335 Cl- 5.65E+01 0
10/1/2028 1335 F- 5.20E+00 0
10/1/2028 1335 Na+ 4.43E+03 2.05E+00
10/1/2028 1335 NO2- 1.49E+03 0
10/1/2028 1335 NO3- 1.14E+03 0
10/1/2028 1335 OH- 8.84E+02 0
10/1/2028 1335 SO4-2 3.98E+01 0
11/1/2028 1335 Cl- 5.69E+01 0
11/1/2028 1335 F- 5.24E+00 0
11/1/2028 1335 Na+ 4.46E+03 2.07E+00
11/1/2028 1335 NO2- 1.50E+03 0
11/1/2028 1335 NO3- 1.15E+03 0
11/1/2028 1335 OH- 8.91E+02 0
11/1/2028 1335 SO4-2 4.01E+01 0
12/1/2028 1335 Cl- 4.66E+01 0
12/1/2028 1335 F- 4.30E+00 0
12/1/2028 1335 Na+ 3.66E+03 1.71E+00
12/1/2028 1335 NO2- 1.23E+03 0
12/1/2028 1335 NO3- 9.44E+02 0
12/1/2028 1335 OH- 7.30E+02 0
12/1/2028 1335 SO4-2 3.29E+01 0
1/1/2029 1335 Cl- 5.22E+01 0
1/1/2029 1335 F- 4.81E+00 0
1/1/2029 1335 Na+ 4.09E+03 1.92E+00
1/1/2029 1335 NO2- 1.37E+03 0
1/1/2029 1335 NO3- 1.06E+03 0
1/1/2029 1335 OH- 8.17E+02 0
1/1/2029 1335 SO4-2 3.67E+01 0
2/1/2029 1420 Cl- 3.45E+01 0
2/1/2029 1420 F- 3.18E+00 0
2/1/2029 1420 Na+ 2.70E+03 1.31E+00
2/1/2029 1420 NO2- 9.09E+02 0
2/1/2029 1420 NO3- 6.98E+02 0
2/1/2029 1420 OH- 5.40E+02 0
2/1/2029 1420 SO4-2 2.43E+01 0
3/1/2029 1420 Cl- 5.87E+01 0
3/1/2029 1420 F- 3.51E+00 0
3/1/2029 1420 Na+ 4.80E+03 1.99E+00
3/1/2029 1420 NO2- 1.57E+03 0
3/1/2029 1420 NO3- 1.52E+03 0
3/1/2029 1420 OH- 7.99E+02 0
3/1/2029 1420 SO4-2 4.10E+01 0
4/1/2029 1420 Cl- 5.61E+01 0
4/1/2029 1420 F- 3.35E+00 0
4/1/2029 1420 Na+ 4.59E+03 1.91E+00
4/1/2029 1420 NO2- 1.50E+03 0
4/1/2029 1420 NO3- 1.45E+03 0
4/1/2029 1420 OH- 7.64E+02 0
4/1/2029 1420 SO4-2 3.92E+01 0
5/1/2029 1420 Cl- 4.36E+01 0
5/1/2029 1420 F- 2.60E+00 0
5/1/2029 1420 Na+ 3.56E+03 1.48E+00
5/1/2029 1420 NO2- 1.17E+03 0
5/1/2029 1420 NO3- 1.13E+03 0
5/1/2029 1420 OH- 5.93E+02 0
5/1/2029 1420 SO4-2 3.04E+01 0
6/1/2029 1420 Cl- 4.75E+01 0
6/1/2029 1420 F- 2.83E+00 0
6/1/2029 1420 Na+ 3.88E+03 1.62E+00
6/1/2029 1420 NO2- 1.27E+03 0

A-12
6/1/2029 1420 NO3- 1.23E+03 0
6/1/2029 1420 OH- 6.46E+02 0
6/1/2029 1420 SO4-2 3.31E+01 0
7/1/2029 1420 Cl- 4.96E+01 0
7/1/2029 1420 F- 2.96E+00 0
7/1/2029 1420 Na+ 4.06E+03 1.72E+00
7/1/2029 1420 NO2- 1.33E+03 0
7/1/2029 1420 NO3- 1.28E+03 0
7/1/2029 1420 OH- 6.76E+02 0
7/1/2029 1420 SO4-2 3.46E+01 0
8/1/2029 1502 Cl- 3.34E+01 0
8/1/2029 1502 F- 2.66E+00 0
8/1/2029 1502 Na+ 2.74E+03 9.52E-01
8/1/2029 1502 NO2- 8.35E+02 0
8/1/2029 1502 NO3- 9.62E+02 0
8/1/2029 1502 OH- 4.25E+02 0
8/1/2029 1502 SO4-2 2.41E+01 0
9/1/2029 1502 Cl- 6.86E+01 0
9/1/2029 1502 F- 7.61E+00 0
9/1/2029 1502 Na+ 5.61E+03 1.16E+00
9/1/2029 1502 NO2- 1.52E+03 0
9/1/2029 1502 NO3- 2.29E+03 0
9/1/2029 1502 OH- 7.76E+02 0
9/1/2029 1502 SO4-2 5.21E+01 0
10/1/2029 1502 Cl- 4.55E+01 0
10/1/2029 1502 F- 5.05E+00 0
10/1/2029 1502 Na+ 3.72E+03 7.72E-01
10/1/2029 1502 NO2- 1.01E+03 0
10/1/2029 1502 NO3- 1.52E+03 0
10/1/2029 1502 OH- 5.15E+02 0
10/1/2029 1502 SO4-2 3.45E+01 0
11/1/2029 1502 Cl- 5.00E+01 0
11/1/2029 1502 F- 5.55E+00 0
11/1/2029 1502 Na+ 4.09E+03 8.52E-01
11/1/2029 1502 NO2- 1.11E+03 0
11/1/2029 1502 NO3- 1.67E+03 0
11/1/2029 1502 OH- 5.66E+02 0
11/1/2029 1502 SO4-2 3.79E+01 0
12/1/2029 1502 Cl- 4.98E+01 0
12/1/2029 1502 F- 5.53E+00 0
12/1/2029 1502 Na+ 4.07E+03 8.57E-01
12/1/2029 1502 NO2- 1.10E+03 0
12/1/2029 1502 NO3- 1.66E+03 0
12/1/2029 1502 OH- 5.63E+02 0
12/1/2029 1502 SO4-2 3.78E+01 0
1/1/2030 1590 Cl- 2.67E+01 0
1/1/2030 1590 F- 2.96E+00 0
1/1/2030 1590 Na+ 2.19E+03 4.73E-01
1/1/2030 1590 NO2- 5.92E+02 0
1/1/2030 1590 NO3- 8.90E+02 0
1/1/2030 1590 OH- 3.02E+02 0
1/1/2030 1590 SO4-2 2.03E+01 0
2/1/2030 1590 Cl- 5.40E+01 0
2/1/2030 1590 F- 4.47E+00 0
2/1/2030 1590 Na+ 4.66E+03 0
2/1/2030 1590 NO2- 1.65E+03 0
2/1/2030 1590 NO3- 1.66E+03 0
2/1/2030 1590 OH- 5.95E+02 0
2/1/2030 1590 SO4-2 4.32E+01 0
3/1/2030 1626 Cl- 5.00E+01 0
3/1/2030 1626 F- 4.13E+00 0
3/1/2030 1626 Na+ 4.31E+03 0
3/1/2030 1626 NO2- 1.53E+03 0
3/1/2030 1626 NO3- 1.53E+03 0
3/1/2030 1626 OH- 5.51E+02 0
3/1/2030 1626 SO4-2 4.00E+01 0
4/1/2030 1644 Cl- 5.90E-01 0
4/1/2030 1644 F- 4.88E-02 0
4/1/2030 1644 Na+ 5.09E+01 0
4/1/2030 1644 NO2- 1.80E+01 0
4/1/2030 1644 NO3- 1.81E+01 0
4/1/2030 1644 OH- 6.50E+00 0
4/1/2030 1644 SO4-2 4.72E-01 0
5/1/2030 1651 Cl- 3.59E+01 0
5/1/2030 1651 F- 2.97E+00 0
5/1/2030 1651 Na+ 3.10E+03 0
5/1/2030 1651 NO2- 1.10E+03 0
5/1/2030 1651 NO3- 1.10E+03 0

A-13
5/1/2030 1651 OH- 3.96E+02 0
5/1/2030 1651 SO4-2 2.87E+01 0
6/1/2030 1651 Cl- 5.04E+01 0
6/1/2030 1651 F- 4.16E+00 0
6/1/2030 1651 Na+ 4.34E+03 0
6/1/2030 1651 NO2- 1.54E+03 0
6/1/2030 1651 NO3- 1.54E+03 0
6/1/2030 1651 OH- 5.55E+02 0
6/1/2030 1651 SO4-2 4.03E+01 0
7/1/2030 1651 Cl- 4.43E+01 0
7/1/2030 1651 F- 3.66E+00 0
7/1/2030 1651 Na+ 3.82E+03 0
7/1/2030 1651 NO2- 1.35E+03 0
7/1/2030 1651 NO3- 1.36E+03 0
7/1/2030 1651 OH- 4.88E+02 0
7/1/2030 1651 SO4-2 3.54E+01 0
8/1/2030 1725 Cl- 2.84E+01 0
8/1/2030 1725 F- 2.46E+00 0
8/1/2030 1725 Na+ 2.44E+03 0
8/1/2030 1725 NO2- 8.51E+02 0
8/1/2030 1725 NO3- 8.77E+02 0
8/1/2030 1725 OH- 3.10E+02 0
8/1/2030 1725 SO4-2 2.30E+01 0
9/1/2030 1725 Cl- 6.83E+01 0
9/1/2030 1725 F- 9.53E+00 0
9/1/2030 1725 Na+ 5.40E+03 0
9/1/2030 1725 NO2- 1.51E+03 0
9/1/2030 1725 NO3- 2.31E+03 0
9/1/2030 1725 OH- 6.23E+02 0
9/1/2030 1725 SO4-2 6.30E+01 0
10/1/2030 1725 Cl- 4.71E+01 0
10/1/2030 1725 F- 6.57E+00 0
10/1/2030 1725 Na+ 3.72E+03 0
10/1/2030 1725 NO2- 1.04E+03 0
10/1/2030 1725 NO3- 1.59E+03 0
10/1/2030 1725 OH- 4.29E+02 0
10/1/2030 1725 SO4-2 4.35E+01 0
11/1/2030 1725 Cl- 4.71E+01 0
11/1/2030 1725 F- 6.57E+00 0
11/1/2030 1725 Na+ 3.72E+03 0
11/1/2030 1725 NO2- 1.04E+03 0
11/1/2030 1725 NO3- 1.59E+03 0
11/1/2030 1725 OH- 4.29E+02 0
11/1/2030 1725 SO4-2 4.35E+01 0
12/1/2030 1725 Cl- 4.71E+01 0
12/1/2030 1725 F- 6.57E+00 0
12/1/2030 1725 Na+ 3.72E+03 0
12/1/2030 1725 NO2- 1.04E+03 0
12/1/2030 1725 NO3- 1.59E+03 0
12/1/2030 1725 OH- 4.29E+02 0
12/1/2030 1725 SO4-2 4.35E+01 0
1/1/2031 1725 Cl- 4.71E+01 0
1/1/2031 1725 F- 6.57E+00 0
1/1/2031 1725 Na+ 3.72E+03 0
1/1/2031 1725 NO2- 1.04E+03 0
1/1/2031 1725 NO3- 1.59E+03 0
1/1/2031 1725 OH- 4.29E+02 0
1/1/2031 1725 SO4-2 4.35E+01 0
2/1/2031 1841 Cl- 2.36E+01 0
2/1/2031 1841 F- 3.31E+00 0
2/1/2031 1841 Na+ 1.92E+03 0
2/1/2031 1841 NO2- 6.72E+02 0
2/1/2031 1841 NO3- 6.86E+02 0
2/1/2031 1841 OH- 2.56E+02 0
2/1/2031 1841 SO4-2 1.90E+01 0
3/1/2031 1841 Cl- 5.22E+01 0
3/1/2031 1841 F- 7.33E+00 0
3/1/2031 1841 Na+ 4.28E+03 0
3/1/2031 1841 NO2- 1.55E+03 0
3/1/2031 1841 NO3- 1.47E+03 0
3/1/2031 1841 OH- 5.84E+02 0
3/1/2031 1841 SO4-2 4.10E+01 0
4/1/2031 1841 Cl- 5.38E+01 0
4/1/2031 1841 F- 7.56E+00 0
4/1/2031 1841 Na+ 4.42E+03 0
4/1/2031 1841 NO2- 1.60E+03 0
4/1/2031 1841 NO3- 1.52E+03 0
4/1/2031 1841 OH- 6.03E+02 0

A-14
4/1/2031 1841 SO4-2 4.23E+01 0
5/1/2031 1841 Cl- 4.34E+01 0
5/1/2031 1841 F- 6.10E+00 0
5/1/2031 1841 Na+ 3.56E+03 0
5/1/2031 1841 NO2- 1.29E+03 0
5/1/2031 1841 NO3- 1.23E+03 0
5/1/2031 1841 OH- 4.86E+02 0
5/1/2031 1841 SO4-2 3.41E+01 0
6/1/2031 1841 Cl- 5.40E+01 0
6/1/2031 1841 F- 7.58E+00 0
6/1/2031 1841 Na+ 4.43E+03 0
6/1/2031 1841 NO2- 1.60E+03 0
6/1/2031 1841 NO3- 1.53E+03 0
6/1/2031 1841 OH- 6.05E+02 0
6/1/2031 1841 SO4-2 4.24E+01 0
7/1/2031 1841 Cl- 4.54E+01 0
7/1/2031 1841 F- 6.37E+00 0
7/1/2031 1841 Na+ 3.72E+03 0
7/1/2031 1841 NO2- 1.35E+03 0
7/1/2031 1841 NO3- 1.28E+03 0
7/1/2031 1841 OH- 5.08E+02 0
7/1/2031 1841 SO4-2 3.56E+01 0
8/1/2031 1945 Cl- 3.79E+01 0
8/1/2031 1945 F- 6.12E+00 0
8/1/2031 1945 Na+ 3.11E+03 0
8/1/2031 1945 NO2- 9.01E+02 0
8/1/2031 1945 NO3- 1.16E+03 0
8/1/2031 1945 OH- 4.54E+02 0
8/1/2031 1945 SO4-2 3.23E+01 0
9/1/2031 1945 Cl- 5.29E+01 0
9/1/2031 1945 F- 8.76E+00 0
9/1/2031 1945 Na+ 4.34E+03 0
9/1/2031 1945 NO2- 1.19E+03 0
9/1/2031 1945 NO3- 1.64E+03 0
9/1/2031 1945 OH- 6.41E+02 0
9/1/2031 1945 SO4-2 4.57E+01 0
10/1/2031 1945 Cl- 4.55E+01 0
10/1/2031 1945 F- 7.54E+00 0
10/1/2031 1945 Na+ 3.73E+03 0
10/1/2031 1945 NO2- 1.03E+03 0
10/1/2031 1945 NO3- 1.41E+03 0
10/1/2031 1945 OH- 5.52E+02 0
10/1/2031 1945 SO4-2 3.94E+01 0
11/1/2031 1945 Cl- 5.47E+01 0
11/1/2031 1945 F- 9.05E+00 0
11/1/2031 1945 Na+ 4.48E+03 0
11/1/2031 1945 NO2- 1.23E+03 0
11/1/2031 1945 NO3- 1.69E+03 0
11/1/2031 1945 OH- 6.62E+02 0
11/1/2031 1945 SO4-2 4.73E+01 0
12/1/2031 1945 Cl- 2.80E+01 0
12/1/2031 1945 F- 4.64E+00 0
12/1/2031 1945 Na+ 2.30E+03 0
12/1/2031 1945 NO2- 6.33E+02 0
12/1/2031 1945 NO3- 8.68E+02 0
12/1/2031 1945 OH- 3.40E+02 0
12/1/2031 1945 SO4-2 2.42E+01 0

B-1
APPENDIX B: CALCULATION SHEET

FIU-ARC-2015-800000394-04c-099 Stainless Steel Corrosion: Feed Properties Affecting Material Selection for LAWPS Piping at Hanford Site
C-1
Table B: Summary Calculations
Transfer
ID
Total Volume
(Liters)
Total g-moles/liter
Cl-
Total g-moles/liter
F-
Total g-moles/liter
NO2-
Total g-moles/liter
NO3-
Total g-moles/liter
OH-
Total g-moles/liter SO4-
2
Total g-moles/liter
Na+
255 4.36E+06 8.63E-02 5.46E-02 9.60E-01 1.46E+00 1.91E+00 7.44E-02 5.81E+00
348 3.86E+06 8.70E-02 1.94E-02 1.18E+00 1.69E+00 1.37E+00 6.28E-02 5.63E+00
430 3.71E+06 7.21E-02 2.21E-02 1.06E+00 1.60E+00 1.63E+00 4.00E-02 5.61E+00
502 4.33E+06 7.05E-02 2.50E-02 1.04E+00 1.66E+00 1.56E+00 3.76E-02 5.54E+00
576 3.43E+06 7.44E-02 1.53E-02 1.19E+00 1.34E+00 1.52E+00 6.24E-02 5.60E+00
642 4.20E+06 5.27E-02 2.37E-02 8.58E-01 1.45E+00 1.33E+00 3.15E-02 5.41E+00
717 3.54E+06 7.35E-02 1.59E-02 1.02E+00 1.45E+00 1.61E+00 5.69E-02 5.59E+00
807 4.03E+06 7.07E-02 2.09E-02 1.10E+00 1.46E+00 1.15E+00 1.07E-01 5.60E+00
928 3.71E+06 6.96E-02 1.62E-02 2.00E+00 1.15E+00 1.17E+00 5.87E-02 5.60E+00
1022 4.03E+06 6.67E-02 1.29E-02 2.21E+00 1.10E+00 1.15E+00 5.01E-02 5.60E+00
1115 3.71E+06 7.47E-02 6.94E-03 1.77E+00 1.24E+00 1.45E+00 4.55E-02 5.60E+00
1198 1.30E+06 7.65E-02 8.36E-03 1.46E+00 1.49E+00 1.40E+00 4.93E-02 5.60E+00
1266 2.87E+06 7.60E-02 8.21E-03 1.50E+00 1.48E+00 1.38E+00 4.94E-02 5.60E+00
1335 3.46E+06 7.14E-02 6.58E-03 1.88E+00 1.44E+00 1.12E+00 5.03E-02 5.60E+00
1420 4.22E+06 6.84E-02 4.24E-03 1.82E+00 1.79E+00 9.25E-01 4.79E-02 5.60E+00
1502 3.52E+06 6.85E-02 7.60E-03 1.52E+00 2.28E+00 7.74E-01 5.20E-02 5.60E+00
1590 1.60E+06 6.49E-02 5.37E-03 1.98E+00 1.99E+00 7.15E-01 5.19E-02 5.60E+00
1651 2.45E+06 6.50E-02 5.42E-03 1.98E+00 1.99E+00 7.15E-01 5.21E-02 5.60E+00
1725 3.62E+06 7.08E-02 9.88E-03 1.56E+00 2.39E+00 6.46E-01 6.54E-02 5.60E+00
1841 3.99E+06 6.83E-02 9.59E-03 2.02E+00 1.93E+00 7.63E-01 5.37E-02 5.60E+00
1945 3.21E+06 6.83E-02 1.13E-02 1.56E+00 2.11E+00 8.26E-01 5.89E-02 5.60E+00

C-1
APPENDIX C: PROJECT COMMUNICATION

C-2
TerryL. Sams, PMP
Manager, Process Engineering Analysis
WRPS Central Engineering
business: 509-376-4653
cell: 509-619-6502
contractor to the United States Department of Energy
From: Winkler, Clifford J
Sent: Wednesday, July 15, 2015 10:08 AM
To: Sams, Terry L
Subject: RE: LAWPS
Turbulent up to the IX columns.
From: Sams, Terry L
Sent: Wednesday, July 15, 2015 10:05 AM
To: Winkler, Clifford J
Subject: LAWPS
Cliff
Are the input waste flow laminar or turbulent?
TerryL. Sams, PMP
Manager, Process Engineering Analysis
WRPS Central Engineering
business: 509-376-4653
cell: 509-619-6502

C-3
contractor to the United States Department of Energy

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