|
This is a letter from Wildlife International, Ltd. to 3M Corporation transmitting addendums for multiple project numbers related to ecotoxicology testing.
|
2000 |
AR226-1781
|
gnELGZ0XLdkLq88Qam5J8ypG |
1 |
|
The document is the final report of study T-6295.28, which analyzes liver enzymes, glycogen levels, and PFOS concentration in liver samples from rats treated with varying doses of PFOS, sponsored by 3M Specialty Chemicals Division.
|
2000 |
AR226-1781
|
KG2M3nzz5pNkB4BQr8V4V8aEX |
13 |
|
The document is a final report from Boston University detailing a study on the activation of peroxisome proliferator-activated receptors (PPARs) by perfluorooctanesulfonate (PFOS), finding that PFOS activates both PPARa and PPARy, with implications for lipid metabolism and potential health effects.
|
2000 |
AR226-1781
|
gXQNkr2ypKmmMQQjapbaMb0L |
55 |
|
The document contains various toxicology and pharmacokinetic study reports related to perfluorooctanoic acid (PFOA) and its derivatives (T-6067, T-6068, T-6069) conducted by 3M and Riker Laboratories, focusing on their absorption, toxicity, and distribution in rabbits and rats.
|
2000 |
AR226-0453
|
6RvVNMLOxaBrVk7kgakDjzORE |
121 |
|
The document is a final report from 3M Environmental Laboratory detailing a single-dose dermal absorption/toxicity study of a t-butyl ammonium salt of perfluorooctanoate (PFOA) in rabbits, which found that liver and serum levels of total organic fluorine were below practical quantitation limits, indicating minimal absorption.
|
2000 |
AR226-0454
|
Oz0n1Z6jop1Y8N4QBmxxZ8wQw |
233 |
|
This document provides a toxicological summary of a dietary acute study on perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the test substance's purity, methodology, and experimental design, including exposure and recovery periods.
|
2000 |
AR226-1781
|
ExmYX19gpL5VdrrEkwpEq6Jax |
11 |
|
The document details toxicology studies on PFOA (T-2998CoC) conducted by Riker Laboratories, Inc. for 3M, including an oral rangefinder study in pregnant rats to establish dosing for subsequent teratology studies.
|
2000 |
AR226-0462
|
emBoxeKBByRV2Gk5EKdJ1ZRBm |
9 |
|
The document contains attachments to a letter discussing various toxicology studies and epidemiological investigations related to PFOA exposure among workers at the Chemolite plant and other facilities, highlighting health status, mortality, and serum levels in occupational cohorts.
|
2000 |
AR226-0469
|
EqNRZMRm2oQG7xx1G8pKamLMj |
9 |
|
This document summarizes a dietary chronic pilot reproductive study on the effects of perfluorooctanesulfonate (PFOS) on Northern Bobwhite quail, detailing the experimental design, exposure levels, and methods used to evaluate health and reproductive outcomes.
|
2000 |
AR226-1817
|
xjXZkqbJdnq9mwboXgkgD9BY6 |
12 |
|
This document is the final report of a pilot reproduction study on PFOS conducted by Wildlife International, Ltd. for 3M Corporation, which adhered to Good Laboratory Practice Standards and was completed on December 18, 2003.
|
2000 |
AR226-1818
|
mqr4Xwzwwgz65djvLQLwwGMg4 |
128 |
|
The document summarizes a dietary chronic pilot reproductive study on perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the experimental design, exposure levels, and evaluation of health and reproductive effects over a 20-week period.
|
2000 |
AR226-1821
|
OEq9VQGV02V34zZZGQr8OqgmX |
12 |
|
This final report details a pilot reproduction study on PFOS conducted with mallards by Wildlife International, Ltd. for 3M Corporation, adhering to Good Laboratory Practice standards, and completed on December 18, 2003.
|
2000 |
AR226-1822
|
k6GgypKBvOY0REYabnr6zQvNn |
124 |
|
This document provides a toxicological summary of a dietary acute study on perfluorooctanesulfonate (PFOS) conducted on Northern Bobwhite quail, detailing the test substance's purity changes, methods used, and the study's design and results.
|
2000 |
AR226-1824
|
MJ0yxNbNneErpOnovq5RbO1a |
11 |
|
This document summarizes a dietary acute toxicity study on Perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the test substance's purity, methodology, and experimental design, including exposure and recovery periods.
|
2000 |
AR226-1827
|
nN9m83M4773qQ5ywKYRQ7wenz |
11 |
|
The document is a final report on a pilot reproduction study of PFOS conducted on mallards by Wildlife International, Ltd. for 3M Corporation, completed on December 18, 2003, in compliance with Good Laboratory Practice standards.
|
2000 |
AR226-1781
|
DM48Z7vMGjOZ51p4JxaxaYYgN |
125 |
|
The document discusses toxicology studies on PFOS, specifically detailing findings from teratology studies indicating severe maternal toxicity and reduced fetal body weights in treated groups, as reported in correspondence from E. Marshall Johnson to William C. McCormick, III.
|
2000 |
AR226-0529
|
nm21MgzoBkqVQeY3MBQvQO4Yz |
3 |
|
This document includes attachments to a letter dated May 25, 2000, discussing toxicology studies and information on PFOA, along with a letter from E. Marshall Johnson to William C. McCormick, III, regarding teratology studies on PFOS and ethyl FOSE, dated November 12, 1982.
|
2000 |
AR226-0531
|
dQm4ddOeBD5kewodnVRyqaLaR |
3 |
|
The document summarizes a dietary chronic pilot reproductive study on the effects of perfluorooctanesulfonate (PFOS) on Northern Bobwhite quail, detailing the experimental design, exposure concentrations, and methods used to evaluate health and reproductive outcomes.
|
2000 |
AR226-1841
|
jmvOYNzbo4v2eeKB7y9DBqqzk |
12 |
|
The document summarizes a dietary chronic pilot reproductive study on the effects of perfluorooctanesulfonate (PFOS) on adult mallards, detailing the experimental design, exposure concentrations, and evaluation of health and reproductive outcomes over a 20-week period.
|
2000 |
AR226-1781
|
8RE0E72zymNoXM7ZN8RyGeJoa |
12 |
|
This document summarizes a dietary acute toxicity study of perfluorooctanesulfonate (PFOS) conducted on Northern Bobwhite quail, detailing changes in the purity of the test substance and the methodology used in the study.
|
2000 |
AR226-1781
|
DnMxom60mkKa9X3OBdVew7qN |
11 |
|
The EPA is requesting additional information from 3M regarding their submissions on perfluoroalkyl compounds, specifically clarifying the composition of FC-95 and the confidentiality status of certain perfluoroalkyl sulfonates, as well as the identity of a perfluoroalkyl alcohol tested in a rat teratology study.
|
2000 |
AR226-0543
|
wy4zZnYzxzJrK3zo6EBzYyo6 |
2 |
|
This document is a response from 3M to the EPA regarding additional information on their perfluoroalkyl submissions, specifically addressing the composition of the test material FC-95, primarily potassium perfluorooctane sulfonate, and toxicology studies involving a mixture of perfluoroalkyl alcohols.
|
2000 |
AR226-0544
|
LpY0py7MzGeyrrV4GkVrD2wvd |
1 |
|
3M submitted a white paper titled "Sulfonated Perfluorochemicals in the Environment: Sources, Dispersion, Fate and Effects" as a supplemental notice regarding sulfonate-based fluorochemicals to the EPA under TSCA 8(e).
|
2000 |
AR226-0545
|
O3N1nBGYBQjGy6JkoqLGErjaj |
1 |
|
This document is a notification from 3M to the EPA regarding the submission of final reports for two-generation rat reproduction studies on N-Ethyl Perfluorooctyl Sulfonamido Ethanol (N-EtFOSE) and Perfluorooctane Sulfonate (PFOS) under TSCA 8(e).
|
2000 |
AR226-0551
|
bBybmvD0Onkn8jzQRxdwgMx21 |
1 |
|
3M submitted a supplemental TSCA Section 8(e) notice to the EPA regarding N-Ethyl Perfluorooctyl Sulfonamido Ethanol (N-EtFOSE) and Perfluorooctane Sulfonate (PFOS), including an amended final report on a two-generation rat reproduction study that found no significant toxicological effects on pup survival or growth at the
|
2000 |
AR226-0555
|
BvoydrjMGx8n5jGRE8r39kG8o |
4 |
|
The document is a final report on a pilot reproduction study of PFOS conducted on the Northern Bobwhite, submitted to 3M Corporation by Wildlife International, Ltd., and completed in compliance with Good Laboratory Practice standards.
|
2000 |
AR226-1842
|
153R06r0Q1aOynb90Ow2Z930E |
125 |
|
The document summarizes a dietary chronic pilot reproductive study on PFOS (perfluorooctanesulfonate) conducted on mallards, detailing the experimental design, exposure levels, and evaluation of adult health and reproductive effects over a 20-week period.
|
2000 |
AR226-1845
|
qj6nj7jgkGYLn6X9oG5ZDrwn |
12 |
|
This document is a toxicological summary of a dietary acute study on perfluorooctanesulfonate (PFOS) conducted on Northern Bobwhite quail, detailing the test substance's purity, methods, and study design, with revisions made to reflect changes in purity from 90.49% to 86.9%.
|
2000 |
AR226-1848
|
dnekMq0b7Z5Ynk35apj1oeZ30 |
11 |
|
This final report details a pilot reproduction study on PFOS conducted with mallards by Wildlife International, Ltd. for 3M Corporation, adhering to Good Laboratory Practice standards, and completed on December 18, 2003.
|
2000 |
AR226-1846
|
x5RbZ9ymqaEkaXoEOZQnO7D7Q |
123 |
|
This document is a toxicological summary of a dietary acute study on perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the substance's purity levels, testing methods, and experimental design, including exposure and recovery periods.
|
2000 |
AR226-1851
|
bM1kXvYLVVnzXwa6RLb7Gy8y |
11 |
|
The document is a final report on a combined oral fertility, developmental, and perinatal/postnatal reproduction toxicity study of PFOS conducted in rats, detailing the study's methods, results, and conclusions.
|
2000 |
AR226-0554
|
5bRBOE4Zb3b2b9aQL0GxaDgbz |
247 |
|
This document is a final report on a cross-fostering study of PFOS conducted in rats, detailing the study's methods, results, and conclusions as part of the sponsor's study number T-6295.13.
|
2000 |
AR226-0553
|
7kbKJ0R1o9910vZdgpBR7mnE |
257 |
|
The document is a final report on a pilot reproduction study of PFOS conducted on the Northern Bobwhite, submitted by Wildlife International, Ltd. to 3M Corporation, and completed in compliance with Good Laboratory Practice Standards.
|
2000 |
AR226-1781
|
zzNgMB3wz6eyLo9RB6mYjkd3B |
125 |
|
The document summarizes a dietary chronic pilot reproductive study on perfluorooctanesulfonate (PFOS) conducted on Northern Bobwhite quail, detailing exposure levels, methods, and the evaluation of health effects and reproductive outcomes over a 20-week period.
|
2000 |
AR226-1781
|
Yjwwve4Mx0g6n0ogp89ZbryMK |
12 |
|
The document is a pathology peer review report on a 26-week capsule toxicity study of Ammonium Perfluorooctanoate (APFO) conducted in Cynomolgus monkeys by Covance, dated February 3, 2000.
|
2000 |
AR226-3630
|
zQ72ra8o0E9KYOb5Q4gYd2wMg |
1 |
|
The document outlines various studies and comments related to PFOA (perfluorooctanoate) conducted by 3M and other researchers between May 2000 and October 2005, focusing on toxicology, epidemiology, and medical surveillance.
|
2000 |
AR226-3630
|
rek4Vd24vR9yr37z3V5LwQ8jV |
2 |
|
The document is a final report of a cell proliferation study conducted by Charles River Laboratories on N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluorooctansulfonamide (N-EtFOSA) in rats
|
2000 |
AR226-3630
|
jmEJzMyarYKGModNmGdLRQQp2 |
1 |
|
The document is a cell proliferation study conducted by TherImmune Research Corporation on N-Ethyl Perfluorooctanesulfonamide (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluorooctansulfonamide (PFOSA) in rats, submitted by 3M in May
|
2000 |
AR226-3630
|
reerLeppmjQG70LMQwRVB8rXv |
1 |
|
Empty document.
|
2000 |
AR226-3630
|
Rpew3zkRJz35J5GYOa5k0wnyX |
1 |
|
The document is a correspondence from DuPont Haskell Laboratory to the EPA, providing summaries of studies conducted on Ammonium Perfluorooctanoate and Perfluorononanoate.
|
2000 |
AR226-0573
|
DDNeEdj1Nj90oqgL0xBxEo2Oa |
1 |
|
The document is a final report on a study conducted by Covance Laboratories on the adsorption and desorption of (14C)-8-2 Telomer B Alcohol, adhering to OECD Guideline 106, with no confidentiality claims made regarding the data.
|
2000 |
AR226-1891
|
jm087bxkOGGnX5Ojgp3n5E1bQ |
90 |
|
The document is an amended final report of a cell proliferation study conducted by 3M on N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluorooctanesulfonamide (N-EtFOSA) in
|
2000 |
AR226-1905
|
zQvV1N8p3g6E4yE9RYRwyE7dR |
76 |
|
3M is submitting completed "Use and Exposure Information Profiles" (UEIPs) for various perfluorooctane sulfonate-related compounds to the EPA, ensuring the accuracy of industrial hygiene and release information.
|
2000 |
AR226-0575
|
NzJvMX8j6V5n1dr6LBmwqZap |
3 |
|
The document is a final report from TherImmune Research Corporation detailing a cell proliferation study conducted on rats using N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluorooctanesulfonamide (PFOSA).
|
2000 |
AR226-1906
|
0JB11Zrg4wMnnpy1Oz4rG7NaV |
62 |
|
This document is a correspondence from 3M to the EPA, detailing the company's voluntary efforts to provide information on perfluorooctane sulfonates (PFOS) and related compounds, including various health effects studies and environmental science data submitted in April and May 2000.
|
2000 |
AR226-0587
|
108b0kvvxk76e58V0RNV9Ln3j |
3 |
|
3M has submitted a detailed phase-out plan to the EPA for products based on perfluorooctanesulfonyl fluoride (POSF) and indicated that it will discontinue the manufacture of perfluorooctanoic acid (PFOA) as part of its commitment to responsible environmental management.
|
2000 |
AR226-0588
|
dQOmRyyoM7JvzjJV7xBj7Xgqe |
11 |
|
This letter from 3M responds to an EPA request for additional information on ongoing studies related to perfluorinated compounds, indicating that while some study protocols and plans were provided, others are still in development and not yet available.
|
2000 |
AR226-0593
|
88Obbz95vz28JYovjLrnzN1B |
2 |
|
3M submitted a "Use and Exposure Information Profile" for perfluorooctanoic acid and salts to the EPA, detailing their industrial hygiene program that includes qualitative and quantitative exposure assessments to manage employee exposure risks.
|
2000 |
AR226-0594
|
3Q1J3D4K1x4LENEwMxq4BwB0y |
2 |
|
3M is confirming meetings with the EPA to present its phase-out plan for POSF-based chemistries, including discussions on alternative chemistries to replace perfluorooctanyl products and the characterization of perfluorobutane sulfonyl fluoride-based chemistries.
|
2000 |
AR226-0597
|
wr22gjNNwDQBDD89joRprkQEQ |
2 |
|
The document provides a voluntary use and exposure information profile for Perfluorooctanoic Acid (PFOA) and its salts, produced by 3M Company, detailing production processes, site locations, and estimated distribution amounts.
|
2000 |
AR226-0595
|
b51mQaw4MEbO6YqaMLKxjv8Dk |
28 |
|
This document is a summary from DuPont to the EPA regarding the use of Ammonium Perfluorooctanoate (APFO) as a fluoropolymer reaction aid, emphasizing that DuPont does not manufacture APFO, that most of it is removed from products before sale, and that industrial hygiene data indicates worker exposure levels are significantly below the ACGIH TLV.
|
2000 |
AR226-0598
|
nNQ2ZZrvy0wEayDOkpLwoJ6QG |
2 |
|
3M submitted a detailed phase-out plan to the EPA for products based on perfluorooctanesulfonyl fluoride (POSF) and indicated that production of perfluorooctanoic acid (PFOA) would be addressed separately, following their announcement to discontinue these materials by the end of 2000.
|
2000 |
AR226-0600
|
yeaMy79rYGRkg5qjEO1jV5m6 |
11 |
|
DuPont's correspondence outlines their non-manufacture of PFOS and PFOA, their use of PFOA as a surfactant in fluoropolymer production, and their commitment to provide the EPA with toxicity testing and exposure information on these perfluorinated compounds by May 26, 2000.
|
2000 |
AR226-0604
|
ErKvV2XeGQzoRyeakLnQqbLx |
1 |
|
The document is an email from Charles Auer of the EPA to Gerald Kennedy of DuPont, discussing a request for an extension on the submission date for exposure information on ammonium PFOA, with a new proposed deadline of June 23, 2000, while also acknowledging the need for toxicity information on PFOS and PFOA by May 26, 2000.
|
2000 |
AR226-0605
|
YwK29g2798QDmoG5QV2KD3NK |
1 |
|
This is a letter from DuPont's Haskell Laboratory for Toxicology and Industrial Medicine, addressed to an EPA official, confirming the attendance of representatives from various companies at a meeting scheduled for July 7, 2000.
|
2000 |
AR226-0606
|
68k9Gn7NOGR9YBeayVbz4Qxo |
1 |
|
This document is a note from the EPA regarding 3M's response to missing reports related to ongoing environmental studies on perfluorooctanesulfonates (PFOS), confirming the status of various studies including biodegradation and phytotoxicity.
|
2000 |
AR226-0609
|
EqaJzrkDkd92pVk0RbQ8Jeb04 |
6 |
|
3M submitted a TSCA Section 8(e) report to the EPA indicating that new data shows the half-life of perfluorooctane sulfonate (PFOS) in human serum is approximately 270 days, significantly lower than previous estimates of 1000-1500 days, based on a study of retired workers.
|
2000 |
AR226-0610
|
M4BZ8Jzpd8Qn3b58Bonq1KRgk |
2 |
|
This interim report from 3M Company details a study on the serum half-lives of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) in retired fluorochemical production employees, indicating that PFOS has a half-life significantly lower than previously estimated, while PFOA's half-life is approximately one year.
|
2000 |
AR226-0611
|
Rj06ynRXJYggErkpgydYpYEV |
9 |
|
3M submitted a TSCA 8(e) substantial risk notice to the EPA regarding N-Methyl Perfluorooctanesulfonamido Ethanol (N-MeFOSE), indicating that a 13-week dietary study in rats showed liver effects and reduced body weights at higher doses, while the low dose did not produce significant adverse effects.
|
2000 |
AR226-0614
|
zzYm4aLk8Gyn65G32zwr1DYv0 |
2 |
|
3M submitted a CD containing documents related to perfluorooctane sulfonates and related compounds to the EPA, including sanitized versions of previously confidential information, as part of ongoing discussions about fluorochemistry.
|
2000 |
AR226-0612
|
Dp1qGVqK3ymrqQxQDV9zpx1B |
45 |
|
The document discusses the environmental status of C-8 (PFOA) at E.I. du Pont de Nemours and Company, indicating that employee blood concentrations are decreasing, measures to reduce river discharges are planned, and engineering analyses for eliminating air emissions are underway, with toxicity tests on a new compound (TBSA) in progress.
|
2000 |
AR226-2000
|
XR1xxNja3eOYy5m1vMDryZ9Gy |
15 |
|
The document presents data on C-8 (likely referring to perfluorooctanoic acid, PFOA) concentrations measured at various receptors over a five-year period from 1973 to 1977, detailing specific concentration levels at different buildings associated with a facility.
|
2000 |
AR226-2089
|
xzqrRz432orw5ZXkOjOdZVJZJ |
5 |
|
This letter discusses 3M's withdrawal from the market of certain PFOS-related products and requests the inclusion of imaging material uses on a "critical use list" for continued production beyond 2000, while expressing a willingness to collaborate with the EPA on finding suitable replacements.
|
2000 |
AR226-0617
|
jV3D0eXyqzg0pxgDL20Mv3jp |
1 |
|
Dynax Corporation's letter to the EPA discusses the phase-out of 3M's AFFF agents containing PFOA and PFOS, expressing disagreement with 3M's request for an extension of the phase-out deadline and highlighting the availability of alternative fluorochemicals produced by other manufacturers that do not contain these harmful substances.
|
2000 |
AR226-0618
|
6wxe6nQr6ppD3VkEw4E44RBgo |
6 |
|
The document discusses the environmental and health concerns associated with Perfluorooctyl Sulfonate (PFOS), produced primarily by 3M Company, highlighting its persistence, bioaccumulation, and toxicity, as well as its widespread presence in the blood of the general US population and wildlife.
|
2000 |
AR226-0619
|
mp9ykYJbmVkVz8nE0a0D5VxZZ |
17 |
|
Unreadable document.
|
2000 |
AR226-0623
|
2jxq3e1QOLNDy8jwmLbYxm7Q6 |
1 |
|
The document is a report prepared by 3M detailing the sources, dispersion, fate, and effects of sulfonated perfluorochemicals in the environment, including analytical methods and ecological risk evaluations.
|
2000 |
AR226-0620
|
QgLmprDvdd8r82bkqDXdX5abv |
51 |
|
The document outlines the objectives of a meeting between the EPA and 3M regarding the management of perfluorinated compounds (PFCs), focusing on product stewardship, risk assessments, and future communications strategies related to PFOA and PFOS initiatives.
|
2000 |
AR226-0626
|
RJG5zMK8JmZ11Gn867b140Ybn |
11 |
|
The document from 3M Medical Department dated March 7, 2000, outlines various reproductive and toxicological studies on perfluorooctane sulfonate (PFOS), noting findings such as perinatal mortality effects predominantly on pups, decreased cholesterol levels at high serum concentrations, and the tolerability of a 0.15 mg/kg/d dose over six months.
|
2000 |
AR226-0625
|
YDK6kVbRa9511JYVNY14mV8Nk |
11 |
|
This is a facsimile transmission from Latham & Watkins dated April 27, 2000, intended for Charles Auer and Oscar Hernandez at the EPA, containing confidential information.
|
2000 |
AR226-0628
|
oDxrYb6DmoqxYVqvmgGL3yq7g |
3 |
|
The document is a letter from the EPA's Chemical Control Division requesting 3M Corporation's assistance in arranging a meeting with global fluorochemical manufacturers regarding recent developments on PFOS.
|
2000 |
AR226-0630
|
99xNK4R4kQ4ODOa3BedaaXMnV |
1 |
|
The document discusses the phaseout of PFOS (perfluorooctanesulfonic acid) and highlights an important development regarding its status as a persistent, bioaccumulative, and toxic chemical, with plans to engage the OECD Secretariat for further discussion.
|
2000 |
AR226-0629
|
MG77awBx3G0VB6Z4613q8Gedx |
6 |
|
Dainippon Ink & Chemicals, Inc. expresses its commitment to environmental responsibility and plans to phase out products containing PFOS, while seeking clarification from the EPA regarding potential regulations affecting their customers who export PFOS-containing products to the U.S.
|
2000 |
AR226-0631
|
K6V0KXvvwBV9baQk6E4Xn7NMN |
2 |
|
The document discusses the OECD's coordination efforts to conduct a screening level risk assessment on PFOS and its derivatives in light of 3M Corporation's decision to phase out production for most uses, aiming to inform member countries about the associated human and environmental hazards and evaluate potential substitutes.
|
2000 |
AR226-0632
|
rprBq2La55jQBeqNvbnXBq1eq |
2 |
|
The document is a correspondence from the EPA to 3M regarding the submission of test data on perfluorochemicals, specifically outlining the requirements for studies related to acute systemic toxicity, skin and eye irritation, and exposure information, while clarifying that previously submitted studies need not be resubmitted.
|
2000 |
AR226-0633
|
rBq7MvdYzbDNJB45GYwJV8QYv |
2 |
|
The document is a request from the EPA for information on perfluorinated chemicals, specifically focusing on PFOA and PFOS, including health effects, environmental studies, and exposure data, with deadlines for submission of the requested information.
|
2000 |
AR226-0634
|
82QO7mQw3zaoMdz76wZmdR5Vd |
2 |
|
The document is a request from the EPA for 3M to provide complete final reports and relevant information on PFOS and other perfluorinated compounds, including health and environmental studies, within specified deadlines.
|
2000 |
AR226-0635
|
qDJEGpO6B64D8YdarGDGVB8R |
2 |
|
The document is a follow-up email from Barbara Leczynski of the EPA to 3M regarding a meeting on PFOS, confirming an extension for 3M to submit information on PFOS and outlining expectations for interim reports and relevant data submissions.
|
2000 |
AR226-0636
|
2RzRvmq3rOzxOQZBNkyYQQ94p |
1 |
|
3M is coordinating a meeting with the EU Commission on May 24 to discuss PFOS and will provide additional information on PFOS mixtures, PFOA, and other derivatives in the coming weeks.
|
2000 |
AR226-0637
|
7R8LZ13GO3O2rNgYop0Bnda3B |
1 |
|
The document is a presentation by Charles M. Auer of the EPA discussing PFOS (perfluorooctane sulfonic acid), highlighting its widespread industrial use, persistence in the environment, bioaccumulation in humans and wildlife, and associated developmental toxicity observed in animal studies, with 3M Corporation identified as the sole U.S. manufacturer.
|
2000 |
AR226-0639
|
MJBQ3mKLNzr9gEmo6LVnzB3Xj |
3 |
|
3M announced it is phasing out the production of perfluorooctanyl chemistry, including certain Scotchgard products and fire-fighting foams, due to increasing scrutiny on persistent materials, despite existing evidence suggesting these compounds do not pose significant health or environmental risks.
|
2000 |
AR226-0641
|
EddOx6b4ONZO4Yk5NjVXLvwyg |
2 |
|
Dainippon Ink & Chemicals Inc. is requesting a meeting with the U.S. EPA on September 15, 2000, to discuss issues related to PFOS.
|
2000 |
AR226-0642
|
qmgeqdkmXvKw7eMoDX6wvLNBn |
1 |
|
The document is a letter from the EPA to Dainippon Ink & Chemicals, Inc. regarding their decision to phase out perfluorooctyl sulfonate (PFOS) for certain uses, while the EPA expresses its willingness to discuss critical uses and potential substitutes, emphasizing the environmental persistence and health risks associated with PFOS.
|
2000 |
AR226-0643
|
n9KyZm1oGZMrpOK5wxpqgo7Om |
2 |
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3M submitted additional information to the EPA regarding perfluorooctane sulfonates and related compounds, indicating that one specific environmental study is claimed as confidential business information (CBI) while all other studies are non-CBI.
|
2000 |
AR226-0644
|
Rp1L2RN8Q4kOOkz3OZdDvpyOV |
11 |
|
This document is a final report on a 4-week range-finding dietary toxicity study of N-Methyl Perfluorooctanesulfonamido Ethanol (N-MeFOSE, T-6314) conducted on rats, prepared for 3M by Covance Laboratories.
|
2000 |
AR226-0616
|
yre7jgdp4dkOZyLwyR7Mzje1n |
374 |
|
The document reports on a study conducted by E. I. du Pont de Nemours and Company that modeled the releases of ammonium perfluorooctanoate (APFO) into the Ohio River, finding that APFO concentrations would exceed 1.0 pg/L about 50% of the time and average annual concentrations were calculated to be 0.423 pg/L.
|
2000 |
AR226-2732
|
QQDo0w5O0XjjE6bVN6pJJBkE |
8 |
|
The document reports on adsorption-desorption screening studies of ammonium perfluorooctanoate (APFO) conducted by E.I. du Pont de Nemours and Company, finding that five out of nine tested materials significantly adsorbed APFO, with most of the adsorbed APFO not desorbing after two washings.
|
2000 |
AR226-2733
|
K6oned8qqj91o8XV8vN6eerYx |
16 |
|
The document is a request from the EPA to DuPont for comprehensive information on perfluorinated chemicals, specifically focusing on PFOA and PFOS, including health effects, environmental studies, and exposure data, with a deadline for submission set for May 26, 2000.
|
2000 |
AR226-2151
|
aJ0mKaMo36373pQn3ON4GmyJy |
4 |
|
The document outlines the requirements for DuPont to submit detailed emission modeling information regarding C8 emissions from the Washington Works facility, including building dimensions, current emission rates, and specific data on the phases and characteristics of C8 emissions, as part of regulatory compliance.
|
2000 |
AR226-2204
|
wDjaD3Zx3b10rkBg6xxvkpjND |
2 |
|
This document appears to contain emissions data, specifically annual average vapor concentrations for C8 compounds, with maximum concentrations recorded at specified geographic coordinates.
|
2000 |
AR226-2242
|
mBE25Je82r8mG2eeymORY6OYZ |
2 |
|
The document details the use of the ISC3 model to calculate ambient ground-level vapor concentrations and deposition rates for C8 emissions from the Washington Works site, utilizing specific stack parameters and emission rates consistent with prior consent orders, while ensuring conservative modeling through the selection of vapor scavenging coefficients.
|
2000 |
AR226-2262
|
QnKNanakaM4K6V3yarwK50kR |
16 |
|
The document details the use of the ISC3 model to calculate ambient ground-level vapor concentrations and deposition rates for C8 emissions from the Washington Works site, utilizing specific stack parameters and emission rates in accordance with a Consent Order.
|
2000 |
AR226-2281
|
82xLvGaZ0myVyYOMqENVZ95Xd |
13 |
|
This is a letterhead cover page from DuPont Engineering, with no analytical content retained in the OCR.
|
2000 |
AR226-2355
|
R20w5OExbb0wwN64jDGRXdBmk |
1 |
|
This document describes an analytical technique for determining the concentration of C-8 (perfluorooctanoic acid, PFOA) in aqueous solutions using a modified method based on Polymer Products Department Code No. T 212.2000, which involves measuring the amount of cetyltrimethylammonium bromide (CTMAB) required to coagulate a fluoropolymer dispersion.
|
2000 |
AR226-2379
|
ymNZenoBB52zRLzpbLp2zJo86 |
5 |
|
The document is a correspondence from DuPont's Environmental Control Consultant, R. L. Ritchey, to Mr. Bill Gibbs of the Lubeck Public Service District, providing a copy of a 1992 letter that includes analytical results on water samples from three LPSD wells.
|
2000 |
AR226-2469
|
zQb6xNLLMe4ra2kMMdq9m9N1m |
1 |
|
The document discusses internal communications among DuPont employees regarding the fluoride levels in C-8 (a perfluorinated compound) and the potential impact on purification costs when sending material to 3M, with a focus on ensuring consistent testing methods.
|
2000 |
AR226-2472
|
0664OX6qryNZy1GBdkzMdozvM |
1 |
|
The document provides analytical results for water samples taken from three Lubeck Public Service District wells, indicating issues with quality control limits for PFDOA and 11H-PFUA surrogates during analysis.
|
2000 |
AR226-2471
|
JNME1gvp6m3pgYpGngx3Y9qEX |
4 |
|
The document discusses a telephone conversation regarding DuPont's Corporate Remediation Group's efforts to develop technology for removing or containing C-8 (PFOA) in groundwater and leachate, noting current contamination levels and the effectiveness of absorbents like activated carbon and peat moss in reducing C-8 concentrations.
|
2000 |
AR226-2475
|
e7meJBEJ0LEGx9gaYGaj726be |
1 |
|
The document is a draft letter from Lubeck Public Service District (LPSD) informing customers about the monitoring of ammonium perfluorooctanoate (PFOA) in drinking water, noting its presence at low concentrations and referencing DuPont's established exposure guidelines.
|
2000 |
AR226-2476
|
mmQ1EReqRaDwJd8446egrNd8J |
1 |
|
The document discusses the development of an analytical procedure for C-8 (PFOA) in water samples using Gas Chromatography/Mass Spectrometry (GC/MS) as part of an ongoing study at Haskell, with a contact reference provided for further information.
|
2000 |
AR226-2478
|
4JoVM8D0ZepV81dnKenR5V2x |
1 |