|
This document outlines a protocol for a one-generation reproduction study of PFOS, sponsored by 3M, aimed at investigating the potential protective effects of mevalonic acid and cholesterol against adverse maternal and fetal outcomes previously observed with PFOS exposure in rats, while also defining the no-observed-effect-level (NOEL).
|
2002 |
AR226-1206
|
qkVj9Ry6OdjZGKZQpngznq7OR |
1088 |
|
DuPont conducted an air dispersion modeling analysis of APFO emissions from its Washington Works facility in Parkersburg, West Virginia, for the year 2002 to predict long-term ambient air concentrations based on actual plant emissions.
|
2002 |
AR226-1539
|
mLp0QeLzNVkxom3M6zXmrO0Q |
8 |
|
DuPont conducted an air dispersion modeling analysis of APFO emissions from its Washington Works facility in Parkersburg, West Virginia, for the period of September 2002 through August 2003 to predict long-term ambient air concentrations resulting from actual plant emissions.
|
2002 |
AR226-1540
|
b5o3bKay1nJxyBkarLqNx6XG3 |
8 |
|
The document is a report from 3M regarding a bacterial reverse mutation test for perfluorooctanesulfonyl fluoride (POSF), conducted by Huntingdon Life Sciences, issued on October 23, 2002.
|
2002 |
AR226-1781
|
8X47ydxaZLyE1vdxbe0QGwQy |
29 |
|
The document is a report from 3M regarding a mammalian chromosome aberration test conducted on perfluorooctanesulfonyl fluoride (POSF) by Huntingdon Life Sciences, issued on October 22, 2002.
|
2002 |
AR226-1781
|
QgqMMv7JyBo8X4EVm1b20aBRL |
28 |
|
The document is an analytical phase report for a reproduction study on PFOS conducted with the Northern Bobwhite by 3M Environmental Laboratory, detailing compliance with TSCA GLP standards and noting exceptions in data collection and stability assessments.
|
2002 |
AR226-1754
|
RJ9edq2Eg17dakV6aO1xK7gyV |
226 |
|
The document is a final report of a 4-week toxicity study on Perfluorooctane Sulfonic Acid (PFOS) conducted by 3M in Cynomolgus monkeys, indicating compliance with EPA Good Laboratory Practice standards despite a noted GLP deviation during prestudy procedures.
|
2002 |
AR226-1781
|
2Jz0YkME7GdkZKz7gjNzrrqza |
238 |
|
The document is a report from 3M regarding an in vitro mammalian chromosome aberration test conducted on perfluorooctanesulfonyl fluoride (POSF) using human lymphocytes, issued by Huntingdon Life Sciences Ltd on October 22, 2002.
|
2002 |
AR226-1781
|
e57n4MdN0JjnQBbw5Oo08Ld64 |
28 |
|
This document is a bacterial reverse mutation test report for perfluorooctanesulfonyl fluoride (POSF) conducted by Huntingdon Life Sciences Ltd. for 3M, issued on October 23, 2002, assessing the mutagenic potential of the substance.
|
2002 |
AR226-1781
|
QxQKp2k5q4d8opZNbdd9Rv2R |
29 |
|
This document establishes a Lifetime Drinking Water Health Advisory of 4 pg/L for perfluorooctanesulfonate (PFOS), based on EPA methodology and assumptions regarding water consumption.
|
2002 |
AR226-1781
|
peebRk8RDwVKx7nkgGzZLQNQd |
6 |
|
3M submitted a series of reports and studies to the EPA regarding perfluorooctane sulfonates (PFOS) and related compounds, including toxicity studies, health advisories, and analytical results, as part of their ongoing dialogue about fluorochemicals.
|
2002 |
AR226-1781
|
rxY88rOrD7gQwbMN8mLZZnGBE |
2 |
|
The Toxikon final report on the CHO/HGPRT forward mutation assay indicates that Ammonium Perfluorooctanoate (PFOA) did not induce mutations at the HGPRT locus, as there was no significant increase in mutant colonies compared to negative controls.
|
2002 |
AR226-1781
|
zQ05kkzVNxbExQG4edVR7pjbB |
29 |
|
The document reports on a study conducted by 3M to determine the presence and concentration of Perfluorooctane Sulfonate (PFOS) in serum and liver samples of Cynomolgus monkeys, following a 26-week toxicity study, and confirms compliance with EPA Good Laboratory Practice standards.
|
2002 |
AR226-1781
|
gbzX3mQrp0edBeGZOV6Gg8KoQ |
113 |
|
The document presents blood data from DuPont employees for the year 2001, including levels of perfluorinated compounds, with specific results for Granular Polykettle Operators and Fine Powder/Dispersion Autoclave Operators, while maintaining employee confidentiality.
|
2002 |
AR226-1638
|
xznwKB6ob74QgGO3E8v1MBLDm |
1 |
|
This document presents a benchmark dose (BMD) assessment for liver tumors in Sprague Dawley rats fed Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), detailing the methodology for calculating the BMDLio for hepatocellular adenomas and carcinomas based on chronic toxicity and carcinogenicity study data.
|
2002 |
AR226-1781
|
1QR7Yb4pEabq9Nz8y8wGOxDNm |
4 |
|
The document discusses the calculation of benchmark doses (BMDL) for tumors in Sprague Dawley rats fed N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), focusing on thyroid and liver tumors in male and female rats, respectively.
|
2002 |
AR226-1781
|
pmm7xzazer21E2J806J6ybr77 |
8 |
|
3M is submitting multiple reports to the EPA regarding perfluorooctane sulfonates (PFOS) and perfluorooctanoate (PFOA), including studies on their identification in human sera and analyses of their serum levels in relation to various health parameters.
|
2002 |
AR226-1781
|
Eq9jMMbnMN0Qrbnz1Y82wrE2b |
2 |
|
The document is a final report on a one-generation reproduction study of PFOS conducted in rats, detailing methods, results, and conclusions regarding the effects of PFOS on reproduction and development.
|
2002 |
AR226-1781
|
2jr8wmYK03VQJ9K01EVYR1zgL |
1087 |
|
The document discusses a conference call to review the results of a groundwater investigation related to perfluorinated compounds at the Shimizu Works site, specifically focusing on sampling from eight remediation system pumping wells.
|
2002 |
AR226-1671
|
a45DYoOMy3bNLVo2D00gJZO1b |
13 |
|
The document summarizes various environmental studies conducted by 3M related to selected fluorochemicals, including PFOA, in the Decatur, Alabama area, detailing sampling events, analytical reports, and monitoring data from 2000 to 2004.
|
2002 |
AR226-1781
|
J3yroLwowqbGYZVYrvX0n0bBe |
1 |
|
The document outlines various environmental studies conducted by 3M regarding selected fluorochemicals, including PFOA, in the Decatur, Alabama area, detailing sampling events, analytical reports, and monitoring data from 2000 to 2004.
|
2002 |
AR226-1781
|
34jX7r4Xq2gknbM55613bm3n |
1 |
|
The document summarizes various environmental studies and health assessments related to Perfluorooctanesulfonate (PFOS) conducted by 3M between February 2002 and May 2004, including soil absorption/desorption studies, thermal degradation research, and ecotoxicity tests.
|
2002 |
AR226-1781
|
qavYoDX0D7DXgdXYBx2JkQ7ZE |
5 |
|
The document summarizes various environmental studies and health assessments related to Perfluorooctanesulfonate (PFOS) conducted by 3M between February 2002 and May 2004, including soil absorption studies, thermal degradation research, and ecotoxicity tests.
|
2002 |
AR226-1781
|
0qd8yR9eOaGeLRyZRkk35yn2d |
1 |
|
The document is a final report on a toxicokinetic study of perfluorooctanesulfonamide (FOSA) in rats, conducted by 3M and submitted on May 11, 2004.
|
2002 |
AR226-1781
|
qkvVE9X2xQXkwaJy39RbB419q |
1 |
|
The document outlines various studies and reports submitted by 3M regarding the identification and analysis of fluorochemicals, specifically PFOS and PFOA, in human sera, including findings from medical surveillance programs and epidemiological studies conducted between February 2002 and May 2004.
|
2002 |
AR226-1781
|
Qg7gk1kobjxvk0Lwz3LZOLwOE |
3 |
|
The document contains submissions from 3M regarding the toxicology and reproductive effects of N-Ethylperfluorooctanesulfonamidoethanol (N-EtFOSE), including benchmark doses for tumors in rats and a report amendment on a two-generation reproduction study.
|
2002 |
AR226-1781
|
rBwpx3pYQK1Lp8R7QkddNEpB7 |
1 |
|
The document outlines submissions by 3M regarding toxicology, epidemiology, and medical surveillance studies on perfluorohexane sulfonate (PFHS), including a pharmacokinetic study in cynomolgus monkeys and a repeated-dose toxicity study.
|
2002 |
AR226-1781
|
pewMkN88Yey1MgxrREOkxe1NE |
1 |
|
The document summarizes various studies submitted by 3M between February 2002 and May 2004 regarding the toxicology, pharmacokinetics, and reproductive effects of perfluorooctanoic acid (PFOA) and its ammonium salt (APFO) in animal models, including a pharmacokinetic study in cynomolgus monkeys and a two-generation reproduction study in rats
|
2002 |
AR226-1781
|
n9qBxzgbmKVwEBExR1LgeORB2 |
2 |
|
The document summarizes various studies and reports submitted by 3M regarding the environmental and health assessment of Perfluorooctanesulfonate (PFOS), including toxicological, pharmacokinetic, and ecotoxicological evaluations conducted between February 2002 and May 2004.
|
2002 |
AR226-1781
|
QX4RGxBeb5jKNmzRp1L1Dyz0R |
2 |
|
The document summarizes various toxicological studies conducted by 3M on Perfluorooctanesulfonyl fluoride (POSF), including acute inhalation toxicity, oral toxicity rangefinding in rats, genotoxicity tests, and pharmacokinetic studies, submitted between 2002 and 2004.
|
2002 |
AR226-1781
|
bJd2DK3LnxDwXxY501DXZyL1 |
1 |
|
This document appears to be a summary of 3M fluorochemical submissions related to various chemicals, including PFOS and PFOA, spanning from February 2002 to May 2004, with sections on toxicology, epidemiology, medical surveillance, and environmental studies.
|
2002 |
AR226-1781
|
p29Oywd3LYG60wYZ88zk8O83X |
1 |
|
The document is an index of submissions by 3M to the AR-226 docket, specifically noting a preliminary study from October 30, 2002, regarding the oral toxicity and reproductive/developmental effects of Perfluorohexane Sulfonate Potassium Salt (PFHS).
|
2002 |
AR226-1781
|
LJXv2mY3E0xMxGMLX0j3e0z9w |
1 |
|
The document provides an index of submissions by 3M related to ammonium perfluorooctanoate (APFO) from April 2002, including a final report on a two-generation reproduction study in rats and supplemental information under TSCA.
|
2002 |
AR226-1781
|
KJ5dxp93gmJd2LnoymnOD8yqQ |
1 |
|
The document is an index of submissions by 3M related to fluorochemicals, including studies on biodegradation and analyses of fluorochemicals in human serum samples conducted between December 2002 and May 2004.
|
2002 |
AR226-1781
|
kDRQqLzDMDRMjLd2VdmERoQND |
1 |
|
The document is an index of 3M's submissions related to PFOS and ammonium perfluorooctanoate (APFO) under TSCA 8(e) from February 2002 to May 2004, including notices of draft reports on reproduction studies involving Northern Bobwhite and Mallard as well as a two-generation reproduction study in rats.
|
2002 |
AR226-1781
|
Ddy5Nd47waZa5Jm6N8ZYGx9EB |
1 |
|
The document is an index of submissions by 3M related to perfluorinated compounds, specifically detailing various studies and reports on perfluorooctanoate (PFOA) and perfluorooctanesulfonate (PFOS) conducted between February 2002 and May 2004.
|
2002 |
AR226-1781
|
mpomx6kGEK2RagZjQeoxXYBGZ |
1 |
|
The document is a submission cover letter from 3M, dated May 10, 2002, which includes an addendum to a two-generation reproduction study of ammonium perfluorooctanoate (PFOA) in rats, conducted by Argus Research and Charles River Laboratories.
|
2002 |
AR226-1781
|
OxOyG321DmJkk2YO48RJJwEM |
1 |
|
The document provides an index of submissions by 3M related to fluorochemicals, including reports on the identification and analysis of PFOS and PFOA in human sera and their health implications from various studies conducted between February 2002 and May 2004.
|
2002 |
AR226-1781
|
xz7BYmxgMQpNyxLnQa4JRYGYb |
1 |
|
The document presents raw estrous cycling data from a two-generation reproduction study of ammonium perfluorooctanoate (PFOA) in rats conducted by 3M, including analysis and graphical representations of the findings.
|
2002 |
AR226-1781
|
8VgzXkO7JXXo0rDw9NpYeVBoe |
1 |
|
The document is an index of submissions by 3M related to the environmental and health assessment of Perfluorooctane Sulfonic Acid (PFOS) and its salts, including robust summaries of various studies conducted between August 2002 and May 2004.
|
2002 |
AR226-1781
|
RjOmZkk1LnD4x6XYNK1NKGjmV |
1 |
|
The document is a submission cover letter for a pharmacokinetic study of potassium perfluorooctanoate (PFOA) conducted by Southern Research Institute, dated February 13, 2003.
|
2002 |
AR226-1781
|
nr3KoG55NXbLxjq97dzNRRzX |
1 |
|
The document is an index of submissions by 3M related to perfluorinated compounds, specifically detailing various studies and reports on Perfluorooctanesulfonyl Fluoride (POSF) and Perfluorooctane Sulfonate (PFOS) conducted between January 2002 and May 2004, including bacterial mutation tests and serum analysis reports.
|
2002 |
AR226-1781
|
ypg2e87maprVaB9bd1dY02m12 |
1 |
|
The document provides an index of submissions by 3M related to fluorochemicals, specifically highlighting a final report on the oral toxicity study of T-7706 (PFHS) and another report on fluorochemical levels in rats, both submitted in September 2003.
|
2002 |
AR226-1781
|
oe9Or9RmO10OMJoYM7M4L4978 |
1 |
|
The document is an index of submissions by 3M related to perfluorinated compounds, specifically detailing various health hazard evaluations, toxicology studies, and serum concentration analyses for substances such as Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonate (PFOS) from July 2002 to May 2004.
|
2002 |
AR226-1781
|
71DpEGwKgmYNwo39K6vGZB2vj |
2 |
|
The document is an index of submissions by 3M related to PFOA and other fluorochemicals from February 2002 to May 2004, including various studies and reports on biosphere monitoring, wastewater treatment, and environmental analysis in Decatur, AL.
|
2002 |
AR226-1781
|
GK00bwGLwjLbNmyZRopm1wjyY |
1 |
|
The document is a submission cover letter from 3M dated February 24, 2004, accompanying a final report on a pharmacokinetic study of perfluorooctanesulfonyl fluoride (POSF) following a single oral gavage dose in rats.
|
2002 |
AR226-1781
|
93bBkLgaG5z31XXXnr13LMQKL |
1 |
|
The document indexes submissions by 3M related to PFOA studies conducted by DuPont Haskell Laboratory between January 2002 and May 2004, including reports on lactational and placental transport pharmacokinetics and age effects on plasma concentration in post-weaning rats.
|
2002 |
AR226-1781
|
37kvKZ6n4Kp08v7kRr5GxvG8J |
1 |
|
Empty document.
|
2002 |
AR226-1781
|
4aYkMg6qZVb279y2vNZ63OGbe |
1 |
|
This is a document outlining the arrangement of 3M fluorochemical submissions from February 2002 to May 2004, categorized by chemical study type and date.
|
2002 |
AR226-1781
|
qm2yJD5pxb8wRNy73ze3B4x6k |
1 |
|
The document is an index of submissions by 3M related to perfluorinated compounds, specifically detailing various reports and studies on PFOA and PFOS, including serum concentration analyses and toxicity investigations conducted between February 2002 and May 2004.
|
2002 |
AR226-1781
|
LBd9wQbZ9p9y4DZ2kYN2xed |
5 |
|
The document outlines the ongoing RCRA interim remedial measures program by 3M at the Decatur site to construct a containment structure for an inactive landfill, including the installation of a subsurface sheet-piling barrier and an upgraded multilayer cap to prevent groundwater contamination from perfluorinated compounds.
|
2002 |
AR226-1781
|
85moxqxkxp3g4GajDa9Q5GDbd |
1 |
|
This final report from 3M Company details the identification and quantitative analysis of fluorochemicals, including PFOS and PFOA, in serum samples from elderly participants in a cognitive function study in Seattle, revealing a geometric mean concentration of PFOS at 31.0 ppb.
|
2002 |
AR226-1781
|
rx6D14XqvXVZ2pZML5D9nGM2J |
31 |
|
The document is a final report from 3M Company detailing a study that identified and quantified the presence of seven fluorochemicals, including perfluorooctanesulfonate (PFOS), in serum samples from pediatric participants in a clinical trial, with a reported geometric mean concentration of PFOS at 37.5 ppb.
|
2002 |
AR226-1781
|
ZBv8MgR3LnwXqgp7RmZj0Dpbd |
48 |
|
The document is a final report from 3M Company detailing a study that analyzed 645 serum samples from American Red Cross adult blood donors for seven fluorochemicals, including perfluorooctanesulfonate (PFOS), with a reported geometric mean concentration of PFOS at 34.9 ppb.
|
2002 |
AR226-1781
|
a1ExGNMZ53Qape6v1gzQ4B369 |
39 |
|
This interim report from 3M Company details an ongoing study to determine the serum half-lives of PFOS and PFOA in humans, revealing that PFOS may have a half-life of 139-640 days and PFOA approximately one year, while addressing concerns about the accuracy of previous measurements.
|
2002 |
AR226-1781
|
341gpZgQYgj67v7xJwJV5o4E |
22 |
|
3M submitted a TSCA Section 8(e) Supplemental Notice to the EPA, providing final reports related to the identification and analysis of fluorochemicals, including PFOS and PFOA, in human sera and their relation to clinical health metrics.
|
2002 |
AR226-1781
|
0R1bGzzevqDR0p5dNyeBqEwx |
2 |
|
3M submitted a TSCA Section 8(e) Supplemental Notice to the EPA, providing final reports on the identification and analysis of fluorochemicals, including PFOA and PFOS, in human sera and their relation to clinical health metrics.
|
2002 |
AR226-1781
|
bawmq6n7gqw2rYq02e4dkDm7Z |
2 |
|
This document reviews the genotoxicity, carcinogenicity, and reproductive effects of perfluorooctanoate (PFOA) based on animal and human studies, concluding that PFOA does not present an unreasonable risk to human health at current exposure levels, despite laboratory findings indicating potential health hazards.
|
2002 |
AR226-1781
|
VJDDKB61YKQ4qM2YZNx6o9bZZ |
23 |
|
This document is a revised report prepared for 3M by Entrix, Inc. detailing the survey of selected fluorochemicals, including PFOA and PFOS, in the Decatur, Alabama area based on sampling conducted in 2002.
|
2002 |
AR226-1781
|
LgX3kL7rqydKkrkpJaDgyV1NQ |
42 |
|
3M submitted a report on a two-generation reproduction study of Ammonium Perfluorooctanoate (APFO) in rats to the EPA as part of their ongoing dialogue regarding perfluorooctane sulfonates and related compounds.
|
2002 |
AR226-1781
|
LJ8nmyGEoN2zVJ1GLYV3Ea145 |
2 |
|
The document is a submission from 3M to the EPA regarding a final report on a two-generation reproduction study in rats involving Ammonium Perfluorooctanoate (CAS# 3825-26-1), as part of a TSCA 8(e) notice.
|
2002 |
AR226-1781
|
Re15NJEEyxBxvy7yLbG3Bowa |
1 |
|
This final report details a 26-week capsule toxicity study of Perfluorooctane Sulfonic Acid Potassium Salt (PFOS) conducted on Cynomolgus monkeys by Covance Laboratories for 3M, noting compliance with EPA Good Laboratory Practice Regulations except for fecal sample analysis.
|
2002 |
AR226-1070
|
NNGGdRkem0JMD6MypOM0xm39Q |
1086 |
|
This final report details a 26-week capsule toxicity study of Perfluorooctane Sulfonic Acid Potassium Salt (PFOS) conducted on Cynomolgus monkeys by Covance Laboratories for 3M, noting compliance with EPA Good Laboratory Practice regulations except for certain fecal sample analyses.
|
2002 |
AR226-1070
|
0Jg2OJqN0M8Vx1G07EgqYRKeR |
1086 |
|
The document is an Analytical Phase Report for a reproduction study on PFOS conducted by 3M Environmental Laboratory, which outlines compliance with TSCA GLP standards and includes quality assurance statements regarding the study's methodology and data handling.
|
2002 |
AR226-1781
|
jZZeB6B7zo3mEq4Q4BJexrvO |
216 |
|
The document is an analytical phase report for a reproduction study on PFOS conducted by 3M Environmental Laboratory, initiated on February 19, 2002, and compliant with TSCA GLP standards, noting some exceptions in data collection and sample stability.
|
2002 |
AR226-1837
|
8RQrdQK1Nmw0BjkYrzqG9mggK |
10 |
|
The document is an analytical phase report for a reproduction study on PFOS conducted with the Northern Bobwhite by 3M Environmental Laboratory, detailing compliance with TSCA GLP standards and noting certain exceptions.
|
2002 |
AR226-1781
|
red6bkmpmLKG2Kn54eLd4oavV |
226 |
|
3M submitted additional data to the EPA regarding a two-generation reproduction study on ammonium perfluorooctanoate, focusing on the effects of gestational age and body weight on reproductive outcomes in rats.
|
2002 |
AR226-1781
|
RaEkmxzZrBv7V1LDpVLJ9VJoE |
1 |
|
3M submitted a TSCA section 8(e) substantial risk notice to the EPA regarding findings from a toxicity study on perfluorohexane sulfonate potassium salt (PFHS), indicating adverse effects in parental male rats, including increased liver weight and thyroid changes, while no effects were observed in parental females.
|
2002 |
AR226-1138
|
2JME5E5oy11QrZKVVwOQMgRN |
2 |
|
3M submitted a TSCA Section 8(e) substantial risk notice to the EPA regarding findings from a toxicity study on perfluorohexane sulfonate potassium salt (PFHS), indicating adverse effects in parental male rats, including increased liver weight and thyroid cell changes, while no effects were observed in parental females.
|
2002 |
AR226-1781
|
reQorbXEw330jpO4aDnJ6YG8J |
2 |
|
3M submitted raw estrous cycling data and analyses related to ammonium perfluorooctanoate (PFOA) to the EPA as part of their ongoing dialogue regarding fluorochemicals, following a meeting on August 30, 2002, where toxicology studies were discussed.
|
2002 |
AR226-1781
|
da26RoE9nO0kNw1KvdXVb6eRR |
3 |
|
The document is a correspondence from Jo Ann Frazee at Argus Research to Dr. John Butenhoff at 3M, providing estrous cycle evaluation data for a two-generation reproduction study of Ammonium Perfluorooctanoate (APFO) in rats.
|
2002 |
AR226-1781
|
g2NKV7Nkzvodz77DB72qr345Q |
43 |
|
This document presents estrous cycling and litter observation data for rats exposed to varying doses of ammonium perfluorooctanoate (APFO), detailing cycle lengths, incidence of aberrant cycles, and reproductive outcomes such as implantations, liveborn, and stillborn counts across different dose groups.
|
2002 |
AR226-1781
|
nkvB7Be4ymnvE9je3OXZxR3ow |
2 |
|
This document is a final report revision from 3M detailing a study (T-6316.9) on the levels of PFOS in naive rats, aimed at identifying potential sources of contamination contributing to low-level PFOS body burdens found in control rats during dietary studies.
|
2002 |
AR226-1527
|
VJ5mL5eBoJxZexdG6J85Be3Y4 |
23 |
|
The document is a biennial report submitted by DuPont Company for the manufacture of ammonium perfluorooctanoate (APFO) during the calendar years 2002 and 2003, detailing production volume, emissions, groundwater and surface water monitoring results, workplace hygiene, and employee blood monitoring as part of their commitments to the EPA regarding perfluorooctanoic acid (
|
2002 |
AR226-1876
|
Z4G8k6bV8XEwyVm5X3Ya5xRxY |
5 |
|
The document is an Analytical Phase Report for a reproduction study on PFOS conducted by 3M Environmental Laboratory, detailing compliance with TSCA GLP standards and noting exceptions in data collection and sample stability.
|
2002 |
AR226-1861
|
Rjj1ZboJMEMonjy9M3abGa27X |
216 |
|
The document is a draft report by Mark H. Russell from DuPont discussing the modeling of leaching potential for mobile and persistent chemicals, using the USEPA Pesticide Root Zone Model (PRZM) to estimate potential groundwater concentrations following chemical application in Washington County, OH.
|
2002 |
AR226-1799
|
71MxkerzM82drpa3p6y1K7eVe |
8 |
|
The document presents test results for perfluorinated compounds (C-8/FC-143) from various sampling locations at Peis Chemical, indicating concentrations measured over multiple dates in 2002.
|
2002 |
AR226-2133
|
wq2O07e0kNzGVz54DGyEx1KL6 |
8 |
|
The document discusses modeling results related to PFOA emissions, indicating that the contour plots and maximum concentrations from dispersion runs show similar results to previous findings, with plans to proceed to deposition analysis.
|
2002 |
AR226-2241
|
6bKj3mQ5G50ga4YvXDeMqE6O4 |
1 |
|
The document discusses vapor concentrations of PFOA at specific receptor locations, providing average deposition rates for particulate and vapor forms across a designated grid area.
|
2002 |
AR226-2243
|
NmX5xr636M4NMab7qM8wKp5y |
1 |
|
The document discusses modeling results related to vapor concentrations of perfluorinated compounds at specific receptor locations, including average deposition rates for particulate and vapor forms.
|
2002 |
AR226-2246
|
kmVDMqR0RmpZYXVbbJ2aZdEzn |
1 |
|
The document discusses estimated average annual vapor concentrations of perfluorinated compounds at four cistern locations, based on modeling results from DuPont, indicating specific deposition rates for particulates and vapor.
|
2002 |
AR226-2247
|
o99mwzz7mbkY5NBgGxZyY9dN7 |
2 |
|
The document provides deposition totals for PFOA in three watersheds, specifically the Little Hocking, Lake Washington, and Ohio River, based on modeling data discussed between Debbie J Mulrooney and Robert F Pinchot from DuPont.
|
2002 |
AR226-2249
|
N27rXnkvOy8bBqj6QYz5zwVQ8 |
1 |
|
The document discusses a draft modeling report related to the leaching potential of perfluorinated compounds, with correspondence between DuPont employees Catherine A. Barton and Mark H. Russell regarding the review and discussion of the report's findings.
|
2002 |
AR226-2251
|
ym4ag9J6az8aavYd3xzEVayQ2 |
1 |
|
This is an email correspondence between Debbie J. Mulrooney and Robert F. Pinchot discussing the watershed deposition results for Little Hocking and Lake Washington, including specific area measurements.
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2002 |
AR226-2253
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3J05b3VEgMn66dmVavVnbJB1E |
1 |
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The document discusses the evaluation of the leaching potential of mobile and persistent chemicals, specifically using the USEPA Pesticide Root Zone Model (PRZM), to estimate potential groundwater concentrations following the application of a chemical, with a focus on conditions in Washington County, OH.
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2002 |
AR226-2252
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0Jj2V5K6rp753r9DOnpV4enRx |
7 |
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The document discusses the 2001 emissions of C8 (likely referring to PFOA) from DuPont, indicating that total emissions were 26,125 pounds, but the data is not yet broken down by emission point and requires further action for urgency.
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2002 |
AR226-2255
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zQQB9vQXgx68kxrLoDXEadV80 |
1 |
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The document is a request for updated flow and stack height data related to an environmental impact study on APFO (ammonium perfluorooctanoate) conducted by DuPont, with instructions to revise and re-issue the study accordingly.
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2002 |
AR226-2257
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6bDwq6aNb0gwKZ7rvEV2YLXp9 |
1 |
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The document discusses updates to an Environmental Impact Study regarding APFO (Ammonium Perfluorooctanoate) conducted by DuPont, specifically focusing on revised stack heights and gas flow rates for the study.
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2002 |
AR226-2258
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daLyype94jzd1dmXDg6Qpq8qR |
1 |
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The document discusses production rate forecasts for PFOA-related products at DuPont, indicating a need to adjust emissions modeling based on updated projections for Fine Powder and FEP production.
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2002 |
AR226-2256
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yg6pyLpBrLEjMjQk6xg4ajD4 |
1 |
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The document discusses emission estimates for PFOA production in 2003 by DuPont, indicating a planned distribution of production across three lines and mentioning the potential use of a deep-bed scrubber for emissions control.
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2002 |
AR226-2260
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YGyMaBLy1NxDYypKMRXraZ5ok |
1 |
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The document discusses changes in stack height and gas flow rates related to an environmental impact study for APFO (Ammonium Perfluorooctanoate) at DuPont, indicating that the new parameters may not necessitate a revision of the modeling and report.
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2002 |
AR226-2259
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LJv7Zwkdw5abkB1q5jvm7on75 |
1 |
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The document discusses an analysis received from Solvay regarding the long-range atmospheric transport of PFOA, with DuPont employees seeking comments on the methodology and accuracy of the analysis.
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2002 |
AR226-2266
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zoq0L4nJbOEOJwkVjX887GEG3 |
2 |
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The document discusses a survey questionnaire related to DuPont's Teflon fiber production at the Spruance site, addressing conflicting data concerning C8 (PFOA) that was to be submitted to the EPA.
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2002 |
AR226-2267
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zzJjNvL3z97EgOQaaXzweLZaa |
1 |
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The document discusses the 1991 wastewater assessments for C8 (PFOA) related to DuPont's Spruance facility, noting ongoing legal considerations that affect documentation and communication with the EPA.
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2002 |
AR226-2268
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J3vLBy87Mqyyd7a0jr4Jn9K1K |
1 |
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The document discusses the deposition results and final modeling report for PFOA emissions from DuPont in 2003, specifically for the Little Hocking and Lake Washington watersheds.
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2002 |
AR226-2271
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rprrXLYrjX8ngMq5NvgyBDDRJ |
1 |
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The document provides maximum concentration values for C8 (PFOA) emissions from the Washington Works facility, detailing both particulate and vapor phase concentrations within the Little Hocking watershed and the overall area modeled, with total maximum concentrations reaching 1.105 µg/m³ in the watershed and 794 µg/m³ on the plant fenceline.
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2002 |
AR226-2272
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Lp63jEBOo9095QqzK9mgZeodX |
1 |
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The document details a GIST meeting held on March 5, 2002, involving various environmental protection agencies, including the West Virginia and Ohio EPA, to discuss the involvement and information sharing regarding perfluorinated compounds, specifically in relation to public concerns raised by the Little Hocking Ohio Water Association.
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2002 |
AR226-2270
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qa7n30KVd3o7X0MbX78o5pDLj |
6 |
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The meeting notes from May 15, 2002, detail discussions among various stakeholders, including DuPont representatives, regarding the completion of water sampling for C-8 (PFOA) in targeted wells near the Washington Works facility, with findings indicating high concentrations in certain wells and a decision to cease further sampling efforts at the current radius.
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2002 |
AR226-2273
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jvmx9QvJ208yRLrVNo4gmgLQ |
3 |
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The document is a correspondence regarding the final modeling report for PFOA emissions from DuPont, discussing modifications based on previous conversations.
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2002 |
AR226-2275
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0gELzM2Lnzy7L4ozEagQeMQ9k |
1 |
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The document is an email correspondence regarding a presentation related to PFOA by Debbie J. Mulrooney for a West Virginia Department of Environmental Protection meeting, with a request for comments before finalizing the charts.
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2002 |
AR226-2278
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wrYy825058mX2j4BvJM7rm84V |
1 |