1990s

Documents dated 1990–1999.

Page 1 of 11 — 1,012 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document reports on a developmental toxicity study of N-EtFOSE (N-Ethyl-Perfluoroocyanesulfonamido Ethanol) in pregnant rabbits, finding that while there were dose-related effects on body weight and food consumption at higher doses, the compound was not teratogenic as no malformations were observed in the fetuses. 1999 AR226-0274 4JxG3zZB5QvJX2mRyOX4qOgRe 1
This interim report from 3M Environmental Laboratory details the analysis of perfluorobutanesulfonate (PFBS), perfluorohexanesulfonate (PFHS), and perfluorooctanesulfonate (PFOS) in various environmental samples from Northern Alabama's potable water systems as part of the 3M Decatur Monitoring Program. 1999 LZ989nBOqapv6dzgxDvqama5 123
The document outlines a protocol for a study on N-EtFOSE (N-Ethyl perfluorooctanesulfonamido ethanol) conducted by 3M's Corporate Toxicology Department, aimed at developing methods for collecting urine and bile specimens from treated rats to support an ongoing ADME study in Cynomolgus monkeys. 1999 AR226-0288 zzNvL23Q3Q8MOm259gR66XGpB 7
This report evaluates the statistical quality of 12 data sources on serum perfluorooctanesulfonate (PFOS) levels in non-occupational human populations, finding that only pooled serum from U.S. blood banks was defensible for analysis, with a geometric mean PFOS blood level of 28.2 ppb. 1999 AR226-0036 ybzGXzkOYXxQZYqVE8vedNmd 10
The document reports the vapor pressure of perfluorooctanesulfonate (PFOS), produced by 3M Company, as 3.31 x 10^-4 Pa at 20°C, determined using the Spinning Rotor Gauge method under GLP conditions. 1999 AR226-0047 81je0jDyjOMwojaN7jrbRgpa 2
The document reports on a study conducted by Wildlife International, Ltd. for 3M Company to determine the n-octanol/water partition coefficient of perfluorooctanesulfonate (PFOS), which was ultimately deemed infeasible due to the formation of an inseparable emulsion during testing. 1999 AR226-0050 ydmV3r2ydwNGn3KQz3jwKEpE 3
The document reports on a study conducted by Wildlife International Ltd. to determine the vapor pressure of PFOS using the spinning rotor gauge method, sponsored by 3M Corporation, and completed on May 5, 1999, while noting some deviations from Good Laboratory Practice Standards. 1999 AR226-0048 aDxeN3gbZGebbM778pd2aZbGy 26
The document details a method developed by 3M's Environmental Laboratory to determine the air/water partition coefficient of perfluorooctanesulfonate (PFOS), indicating that the test substance was a white powder with unspecified purity and the experiment was completed in 1999 without following GLP standards. 1999 AR226-0051 J3vx6589XqXK85V7dg7BBLkae 10
The document reports on a water solubility test for Perfluorooctanesulfonate (PFOS) conducted by 3M, finding an overall mean solubility concentration of 519 mg/L in NANOpure water. 1999 AR226-0054 71MX9kO44B1ZJxZyovQVL25ve 22
The document reports on a study conducted by Wildlife International Ltd. for 3M Corporation to determine the water solubility of PFOS using the shake flask method, completed on May 3, 1999, with an amended report issued on April 26, 2000, and notes compliance with Good Laboratory Practice standards. 1999 AR226-0052 3Xx0EEzN7EyoBO5VoMYG2jgD 35
The document presents a fugacity modeling study of perfluorooctanesulfonate (PFOS), conducted by Don Mackay, which concludes that PFOS tends to remain in water when released, with slow degradation and significant persistence in the environment. 1999 AR226-0060 85oNVbVqLbaE21z9Ywqj3GomK 4
The document discusses the derivation of a draft lifetime Drinking Water Health Advisory (DWHA) for PFOS, based on a reference dose calculated using standard EPA methodology and a conservative uncertainty factor. 1999 AR226-0071 pBkok6KDNpkLGnL2dQyoOXGQE 6
The document outlines a review of field sampling procedures conducted by Battelle during a city survey in Columbus, Georgia, as part of the Multi-City Human Exposure Assessment Study, focusing on the appropriateness of sampling techniques for fluorochemicals, including PFOA and PFOS. 1999 AR226-0072 v1gmMdx7428ZBRgy4pEzMbQrZ 22
This is a field report from Battelle regarding a multi-city study conducted in Cleveland, Tennessee, and Decatur, Alabama, under Project Number N100672-01, focusing on the collection of samples for trace-level analysis of specific FC residuals. 1999 AR226-0073 LgxkewJ7YKGBOoqy0Oj6D2ObQ 16
This is a final field report from Battelle (Project Number N100672-01) detailing the multi-city study conducted in Columbus, Georgia, and Port St. Lucie, Florida, focusing on the collection of samples for trace-level analysis of FOSE-based fluorochemical residuals. 1999 AR226-0074 2G7YDyB9qO4Xd8oJdDdX24L7 16
The document is a final field report detailing the multi-city study conducted by Battelle in Mobile, Alabama, and Pensacola, Florida, focusing on the sampling and analysis of perfluorinated compounds, including PFOA and PFOS, as part of Project Number N100672-01. 1999 AR226-0075 O3mmmnVMXma5RjQ06BxqwLOyv 17
The document outlines a study protocol by 3M to assess cell proliferation and peroxisome proliferation in rats administered N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluoroctanesulfonamide (PFOSA) 1999 AR226-0290 ba6dYJ9mabjp2rVqD2nMn1pe0 14
The document discusses concerns regarding the conclusion of a dietary toxicity study on N-Methyl Perfluorooctanesulfonamido Ethanol (N-MeFOSE) conducted by Covance Laboratories, specifically questioning the determination of the no observable adverse effect level (NOAEL) and the biological significance of weight gain reductions at various dosage levels in rats. 1999 AR226-0301 3N3zO7mLL6wMEREV8mKV5BaD0 1
This document is an amendment to the Quality Assurance Project Plan for the Multi-City Study Sampling Task, prepared by Battelle, which outlines changes to sampling protocols, including the addition of labeling for 'Trip Blank' samples. 1999 AR226-0077 EdrZJm6RBzGKQDyvg7MMQMk4 23
This document details an acute toxicity study of Perfluorooctanesulfonate (PFOS) conducted on the fish species Pimephales promelas, using a sample from 3M with a purity of 90.49%, following OECD and OPPTS guidelines, and completed in 2000. 1999 AR226-0082 37LG6w3rrkXjem70vdJgobpxn 4
The document details a toxicity study of Perfluorooctanesulfonate (PFOS) conducted by 3M, which assessed its effects on the aquatic plant species Selenastrum capricornutum over a 96-hour exposure period, with a measured purity of 90.49%. 1999 AR226-0084 O3w4bNRw37BeaG8jmMpyxVorM 6
This document details an acute toxicity study of perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, conducted under OECD guidelines, with a purity of 90.49% and results indicating the EC50 values calculated for PFOS exposure. 1999 AR226-0086 ByJJOvMdM356evMxvpjaxvXmJ 4
The document details a study on the acute effects of perfluorooctanesulfonate (PFOS) on the shell growth of the Eastern oyster (Crassostrea virginica), using a sample from 3M with a purity of 90.49%, and outlines the methodology and statistical analysis used to determine the impact on shell growth over a 96-hour exposure period. 1999 AR226-0088 3wJvzz4rDyBve6N48MVkbDvJ 4
This document reports on an acute toxicity study of perfluorooctanesulfonate (PFOS) conducted on the freshwater mussel species Unio complanatus, detailing the test conditions, methods, and analytical results from a sample sourced from 3M. 1999 AR226-0090 bBkmJGd1gkOoj7GnLgq9de9y3 4
The document details an OECD 209 activated sludge respiration inhibition test conducted on perfluorooctanesulfonate (PFOS) sourced from 3M, which was found to have a purity of 90.49% and involved assessing its impact on dissolved oxygen concentrations in activated sludge from a wastewater treatment facility. 1999 AR226-0092 3Qeg0y5aZLQ1KVkB2V873dgoy 3
This document is an amended final report from Wildlife International Ltd. on a 96-hour shell deposition test conducted with the Eastern Oyster (Crassostrea virginica) to assess the effects of PFOS, sponsored by 3M Corporation, and it states compliance with Good Laboratory Practice standards while noting some exceptions in the characterization of the test substance. 1999 AR226-0089 npOzjNgaXknbXoN929OJwLMp8 56
This document is an amended final report of a 96-hour static acute toxicity test conducted by Wildlife International Ltd. on PFOS using the freshwater mussel (Unio complamatus), sponsored by 3M Corporation, and it outlines compliance with Good Laboratory Practice standards while noting exceptions in substance characterization and stability determination. 1999 AR226-0091 JJmomLXgrrDn7nG6mO76deKwK 59
This document outlines a non-GLP study conducted by Wildlife International, Ltd. for 3M Corporation, focusing on the background screening of PFOS in selected avian and aquatic feed matrices. 1999 AR226-1030 kxwqwnaG5mxNv5Oe72EM2xkV 25
The document details a study on the acute toxicity of perfluorooctanesulfonate (PFOS) to the saltwater mysid species Mysidopsis bahia, conducted by Wildlife International, Ltd., which determined the substance's purity to be 90.49% and involved a 96-hour exposure period to assess lethal concentration (LC50) values. 1999 AR226-0094 wgvXyayq5kLvwB0jbg9zpjM94 4
This document reports on a chronic toxicity study of perfluorooctanesulfonate (PFOS) conducted on early life stages of fish (Pimephales promelas) using a flow-through method, with a purity of 90.49% and significant statistical analysis performed to assess the effects of PFOS exposure over a 47-day period. 1999 AR226-0096 wggxnKLxKKybgwLa3KDLjpv14 5
This document details a chronic toxicity study of perfluorooctanesulfonate (PFOS) on freshwater invertebrates (Daphnia magna), conducted by Wildlife International, Ltd., which assessed survival, reproduction, and growth over a 21-day exposure period. 1999 AR226-0098 owG9V6zMowbewbkYBvdgKmdg 6
The document details a chronic toxicity study of Perfluorooctanesulfonate (PFOS) conducted on the saltwater mysid species Mysidopsis bahia, using a sample from 3M with a purity of 90.49%, and outlines the methods and statistical analyses employed to evaluate the effects of PFOS over a 35-day exposure period. 1999 AR226-0100 MJOy7n80RRY6Bx7oEwXOmDwLV 7
The document is a final report on an early life-stage toxicity test of PFOS conducted with fathead minnows (Pimephales promelas) by Wildlife International Ltd. for 3M Corporation, completed on April 26, 2000, and compliant with Good Laboratory Practice standards. 1999 AR226-0097 3m65nOZdQZqw4292L1011pL3 88
The document is a final report on a semi-static life-cycle toxicity test of PFOS conducted with the cladoceran Daphnia magna, sponsored by 3M Corporation and compliant with Good Laboratory Practice standards. 1999 AR226-0099 MMkZb1zMjEdxbZN6epvgvB50j 93
This document details a dietary acute study on the effects of perfluorooctanesulfonate (PFOS) on Northern bobwhite quail, conducted by Wildlife International Ltd., which involved testing the substance's concentration and stability in feed over a specified exposure period. 1999 AR226-0104 ypjrp1Gd56NkwjBdp4YkNOBLr 9
The document is a final report on a flow-through life-cycle toxicity test of PFOS conducted with the saltwater mysid (Mysidopsis bahia) by Wildlife International, Ltd. for 3M Corporation, indicating compliance with Good Laboratory Practice standards despite some exceptions in substance characterization. 1999 AR226-0101 kD2MNn8V78mkK9rx9BQLZj8XJ 76
This document reports on a dietary LC50 study of PFOS conducted with mallards by Wildlife International Ltd. for 3M Corporation, completed on April 26, 2000, and outlines compliance with Good Laboratory Practice standards. 1999 AR226-0103 vBVbookBKm9OazkoEQVxjqpG9 89
The document is a final report by Covance Laboratories detailing a study on chromosomal aberrations in human whole blood lymphocytes exposed to PFOS, submitted to 3M Corporate Toxicology, and conducted in compliance with EPA regulations. 1999 AR226-0131 ORY65b0Yo9jzv0z1qVxnB4xK 41
This document outlines a study protocol sponsored by 3M to assess cell proliferation and peroxisome proliferation in rats administered N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluoroctanesulfonamide (PFOSA 1999 AR226-0332 jm1XYrym6rppKn0ezMEX56m1k 14
The document reports the melting point determination of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol), indicating a melting point range of 55°C to 60°C, suggesting the presence of impurities in the sample. 1999 AR226-0347 2qBOjDqj9ED3pM3vKXDaJXbOg 3
Empty document. 1999 AR226-0979 N29adZ719OZ8eM1MrV8Mj8Egb 5
This document reports on a six-month study of PFOS effects on cynomolgus monkeys, detailing various health metrics such as TSH, cholesterol, HDL, LDL, and VLDL levels across different test groups. 1999 AR226-0979 Ex58nBVqmYqga0J6oO4xyQOqx 11
This document is a second draft cell proliferation report detailing a 104-week dietary chronic toxicity and carcinogenicity study of perfluorooctane sulfonic acid potassium salt (PFOS) in rats, prepared by Pathology Associates International for 3M, and conducted in compliance with EPA Good Laboratory Practice regulations. 1999 AR226-0142 RpemneQDdrGom3BGKJqB808Yv 26
The document discusses a pathology review of a six-month toxicity study on PFOS conducted on monkeys, concluding that the deaths of two high-dose male monkeys were likely related to compound toxicity, with one showing signs of acute pneumonia and the other exhibiting liver changes indicative of toxicity. 1999 AR226-0150 7Ro5NYGZLygb9zogORJzv6wEe 2
The document is a pathology report detailing the results of a 26-week toxicity study on cynomolgus monkeys treated with perfluorooctane sulfonic acid potassium salt (PFOS), which found hepatocellular vacuolation and hypertrophy, primarily centrilobular, along with ultrastructural changes such as increased lipid droplets and glycogen in the liver. 1999 AR226-0149 rpVJdMomg28e2r63Zx4a9KoV7 60
This document outlines a pharmacokinetic study of perfluorooctane sulfonyl fluoride (POSF) in male Sprague Dawley rats, aiming to assess its oral absorption, clearance, and metabolism to PFOS, conducted by 3M Chemicals Division under GLP conditions. 1999 AR226-0979 Gmbw0VQwkdG9DRpJz8X0bbwZ4 7
This document reports on a study by Kendall B. Wallace investigating the inhibitory effects of selected perfluorochemicals, including PFOA and PFOS, on mitochondrial fatty acid oxidation using rat liver mitochondria. 1999 AR226-0170 15V8qykqdQ6XKVDdEboBbpx9q 4
The document is a field report detailing the multi-city study conducted by Battelle in Cleveland, Tennessee, and Decatur, Alabama, focusing on the sampling and analysis of perfluorinated compounds, including PFOA and PFOS, with results and observations from the study period in May 1999. 1999 AR226-0979 gbwNEmEYVdvkg5RJDYqwyzOkq 16
The document discusses the derivation of a draft lifetime Drinking Water Health Advisory (DWHA) for PFOS, based on a reference dose calculated using EPA methodology and a conservative uncertainty factor. 1999 AR226-1030 g2qpqOX9N453YrbGxOo9VDeBG 6
The document is an amendment to the Quality Assurance Project Plan for the Multi-City Study, detailing changes in sampling protocols and the addition of new laboratories for sample collection, which includes the implementation of a labeling system for PFOA and PFOS samples. 1999 AR226-1030 6w13L72217Q1RznY1KM6yEwZ4 3
This is a Quality Assurance Project Plan prepared by Battelle for the Empirical Human Exposure Assessment Multi-City Study Sampling Task, effective May 14, 1999. 1999 AR226-1030 10vG1eyV5odmxe50E4d493mdo 52
This is a final field report prepared by Battelle for Project Number N100672-01, detailing the multi-city study activities conducted in Mobile, Alabama, and Pensacola, Florida, aimed at assessing environmental exposure to FC residuals. 1999 AR226-0979 wDQazkj2E5oVknGoKrKyVZYRD 17
The document is a final field report detailing the sampling activities conducted by Battelle in Columbus, Georgia, and Port St. Lucie, Florida, aimed at collecting representative samples for trace-level analysis of perfluorinated compounds, including PFOA and PFOS. 1999 AR226-0979 bv9MkZRN1mVGqr9yn5eQ5yYO 16
This document outlines a pharmacokinetic study protocol by 3M to assess the oral absorption, clearance, and biological persistence of perfluorooctane sulfonyl fluoride (POSF) in rats, aiming to understand its metabolism to perfluorooctane sulfonate (PFOS) for risk characterization purposes. 1999 AR226-0180 vENKmMxexLMrQY8p9oDMr92m 6
This document outlines a protocol for a 96-hour toxicity test of PFOS using the freshwater alga Anabaena flos-aquae, to be conducted by Wildlife International, Ltd. for 3M Corporation, following EPA guidelines. 1999 AR226-0186 e5YwBk0xnVLx9QJEjwKOewRR4 16
This document outlines a protocol for a 96-hour toxicity test of PFOS using the freshwater diatom Navicula pelliculosa, to be conducted by Wildlife International, Ltd. for 3M Corporation. 1999 AR226-0187 O15ne4DQLoK8ZJG4XenDe3B6e 17
This document outlines a protocol for a 96-hour toxicity test of PFOS using the marine diatom Skeletonema costatum, sponsored by 3M Corporation and conducted by Wildlife International, Ltd. 1999 AR226-0188 emZz48oxBQD8Kb9wZOMo58x79 17
The document outlines a protocol for a seven-day toxicity test of PFOS using duckweed (Lemna gibba G3), to be conducted by Wildlife International, Ltd. for 3M Corporation, following EPA guidelines. 1999 AR226-0189 7R8DwaQ6Jq6bGr9JMVqGOz0Na 18
This document is an amendment to the Quality Assurance Project Plan for the Multi-City Study, detailing changes in sampling methods for fish, bulk water, and microlayer samples related to PFOA/PFOS exposure assessment. 1999 AR226-1030 0wnRnEao39dw9pJmYRvqERrb 17
The document outlines a protocol for a pharmacokinetic study of perfluorooctane sulfonyl fluoride (POSF) in male Sprague Dawley rats, sponsored by 3M Specialty Chemicals Division, to assess its oral absorption, clearance, and metabolism to PFOS for risk characterization. 1999 AR226-0209 JNk1LOxmny2127E4LvjqxdLBe 6
The document outlines a study protocol sponsored by 3M to assess cell proliferation and peroxisome proliferation in rats administered N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluoroctanesulfonamide (PFOSA 1999 AR226-0215 bBvMkm1xZn4qOQaaw3KEQLm0y 14
This is a field report prepared by Battelle for Project N100672-01, detailing sampling activities in Cleveland, Tennessee, and Decatur, Alabama, aimed at analyzing trace-level FC residuals and assessing environmental dispersion and human exposure. 1999 AR226-1030 Lg2OObmLkvywpEZ4Mm3EXL5kz 16
This is a field report from Battelle detailing a multi-city study conducted in Mobile, Alabama, and Pensacola, Florida, under Project Number N100672-01, focusing on the collection of samples for trace-level analysis of FC residuals to assess environmental dispersion and human exposure. 1999 AR226-1030 gbwNenROByp61qkrEXKGr5oLL 15
The document outlines a review of the sampling and handling techniques used by Battelle during a city survey in Columbus, Georgia, as part of the Multi-City Human Exposure Assessment Study, focusing on various environmental sources including air, drinking water, wastewater, and landfill leachate, with an emphasis on the appropriateness of methods for detecting fluorochemicals. 1999 AR226-1030 LKkZQ1o5yJ57DYMR1BkggVoJd 22
This document is an amendment to the Quality Assurance Project Plan for the Multi-City Study, detailing changes in sample labeling and collection procedures, including the addition of samples for two additional laboratories at the client's request. 1999 AR226-1030 aBMQm3rxYxoQggzo2YYg0qQ2a 3
The document outlines a review of the sampling and handling techniques used by Battelle during the Columbus, Georgia city survey as part of the Multi-City Human Exposure Assessment Study, focusing on various environmental sources including urban air, drinking water, wastewater, and landfill leachate in relation to fluorochemical characteristics. 1999 AR226-1030 byw20EQp39RVORyNXoDKawgEO 22
This is a Battelle field report for the Multi-City Study (Project Number N100672-01) detailing sampling activities in Cleveland, Tennessee, and Decatur, Alabama, aimed at analyzing trace-level FC residuals and assessing environmental dispersion and human exposure. 1999 AR226-1030 QMLeZRDEyjaOk53YXdYKm6OGv 16
This is a field report from Battelle (Project Number N100672-01) detailing the multi-city study conducted in Columbus, Georgia, and Port St. Lucie, Florida, focusing on the collection of samples for trace-level analysis of FOSE-based fluorochemical residuals to assess environmental dispersion and human exposure. 1999 AR226-1030 bB12ZLR9rLaJmGzDjqb7xeBoy 15
This is a field report prepared by Battelle Marine Sciences Laboratory for Project Number 31565, detailing the collection of finfish, microlayer, and bulk water samples in Cleveland, Tennessee, Decatur, Alabama, and Columbus, Georgia, from August 9 to August 12, 1999, to analyze environmental dispersion of FOSE-based fluorochemical residuals. 1999 AR226-1030 3J0R8gmLkNz02egK6zMLXraaa 28
The document discusses the derivation of a draft lifetime Drinking Water Health Advisory (DWHA) for PFOS, based on a reference dose calculated using standard EPA methodology and a conservative uncertainty factor. 1999 AR226-1030 VK2qeo4aznzzJjD6Xoj3JOG9q 6
This is a field report from Battelle detailing activities conducted in Mobile, Alabama, and Pensacola, Florida, for Project Number N100672-01, focusing on the collection of samples for trace-level analysis of FC residuals to assess environmental dispersion and human exposure. 1999 AR226-1030 ypm84jKoLgLYgLnvpMR5bZxr 15
This is a field report prepared by Battelle Marine Sciences Laboratory for Project Number 31565, detailing the collection of finfish, micro-layer, and bulk water samples in Mobile, Alabama, Pensacola, Florida, and Port St. Lucie, Florida, for trace-level analysis of FOSE-based fluorochemical residuals. 1999 AR226-1030 QX6gGpM4BRMkKkLre5BVqpJ34 32
This document is an amendment to the Quality Assurance Project Plan for the Multi-City Study, detailing changes in sampling methods for fish, bulk water, and microlayer samples related to PFOA/PFOS exposure assessment. 1999 AR226-1030 2Ry45Lxz0J7Gwgq53k3z8RGdg 17
This is a Quality Assurance Project Plan prepared by Battelle for the Multi-City Study Sampling Task, effective May 14, 1999, detailing project management and quality assurance protocols. 1999 AR226-1030 65p2aYpdM4Zox92ajBnqpb0x6 52
The document is a review letter from Covance Laboratories regarding the mouse lymphoma cell mutation testing of 3M product T-6906, indicating that the study was technically inadequate and recommending a repeat of the assay to validly assess the mutagenic activity of the compound. 1999 AR226-0254 6bwwwrrbogBgN9mmnXqq9ZD46 3
This document outlines a non-GLP study conducted by Wildlife International, Ltd. for 3M Corporation, focusing on a background screen for PFOS in selected avian and aquatic feed matrices. 1999 AR226-1030 e5LqzJ194KDpZzGz7Jad3YXyp 25
The document details a revised dietary acute study on the effects of perfluorooctanesulfonate (PFOS) on northern bobwhite quail, including tissue analysis and methods for testing purity and concentration of the substance sourced from 3M. 1999 AR226-1030 byg6rbj8JwVoQ8ModX89YzeQy 9
The document details a revised study on the acute toxicity of perfluorooctanesulfonate (PFOS) to the freshwater mussel species Unio complamatus, conducted by 3M, which included tissue analysis and determined the substance's purity to be 90.49%. 1999 AR226-1030 Ed9VOByKveQmze30y5dMaNak0 5
3M is submitting a supplemental notice to the EPA regarding studies on the detection of perfluorooctanesulfonate (PFOS) in tissue samples from various animal species, highlighting initial screening data on PFOS distribution in biota using high-performance liquid chromatography-tandem mass spectrometry. 1999 AR226-0541 RjXdE1Zdoxrm9xDww17QZmDmB 4
The document is a correspondence from Larry R. Zobel of 3M to the EPA, summarizing findings from rat teratology studies on 3M fluorochemicals, indicating that while FC-95 did not cause skeletal abnormalities, a mixture of perfluoroethanol derivatives resulted in significant fetal malformations, including cleft palates and kidney issues at high doses. 1999 AR226-0542 waqQ1GxzqQY883gZv6GV26E 5
3M is sending the EPA two papers on perfluorooctane sulfonate (PFOS) and organic fluorochemistry, along with a note about a forthcoming exposure assessment, to facilitate a discussion on these topics. 1999 AR226-0546 pDG43dDnoLKbRpEpKD2gdwbB 1
The document discusses the science of organic fluorochemistry, detailing 3M Company's history and methods in synthesizing perfluorinated compounds through the Simons Electro-Chemical Fluorination process. 1999 AR226-0547 bOXJNyv3kyO03EEVrqOrd6X3 12
3M submitted an overview paper to the EPA detailing the manufacture, use, distribution, and environmental release of sulfonyl-based fluorochemicals, including PFOS, along with a preliminary life-cycle assessment of exposure pathways and ongoing stewardship initiatives. 1999 AR226-0549 6EBEyLVGN88oEbkrmX8d6V1o 2
This document by 3M summarizes the biological effects, health risks, and future research plans related to perfluorooctane sulfonate (PFOS), highlighting its presence in human serum samples at levels of tens of parts per billion. 1999 AR226-0548 aJV8p8nvjBJag7K8LRqbMwVa9 135
This document outlines a protocol for a 96-hour toxicity test of PFOS using the freshwater alga Anabaena flos-aquae, sponsored by 3M Corporation and conducted by Wildlife International, Ltd. 1999 AR226-0186 yp5oZ784nZ25kDM1q03gOXQp3 16
The document outlines a protocol for a 96-hour toxicity test of PFOS using the freshwater diatom Navicula pelliculosa, to be conducted by Wildlife International, Ltd. for 3M Corporation. 1999 AR226-0187 gD7OXJXZJ91ZvbjRb4a8L8LKN 17
This document outlines a protocol for a 96-hour toxicity test of PFOS using the marine diatom Skeletonema costatum, sponsored by 3M Corporation and conducted by Wildlife International, Ltd. 1999 AR226-0188 ykVqmZE5yM31a5DOyrynZyzQE 17
The document outlines a protocol for a seven-day toxicity test of PFOS using duckweed (Lemna gibba G3) conducted by Wildlife International, Ltd. for 3M Corporation, following EPA guidelines to assess ecological effects. 1999 AR226-0189 dDMbJkn4zG4za3v0xw6yaa2R5 18
This document is a report prepared by 3M Company on May 26, 1999, providing an overview of the use, distribution, and environmental release of sulfonyl-based fluorochemicals, intended to inform exposure assessment and product stewardship initiatives. 1999 AR226-0550 pBxQkBGD7DyRMrBMDdErVaz0E 350
The document outlines a protocol for a pharmacokinetic study of perfluorooctane sulfonyl fluoride (POSF) in male Sprague Dawley rats, sponsored by 3M, to assess its oral absorption, clearance, and metabolism to perfluorooctane sulfonate (PFOS) for risk characterization purposes. 1999 AR226-0209 1ywqr0EmbJB61dV7v5Q0NrkVm 6
The document outlines a study protocol sponsored by 3M to assess cell proliferation and peroxisome proliferation in rats administered N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluoroctanesulfonamide (PFOSA 1999 AR226-0215 km1gaYBYJxQbDpxQBeO9REZnV 14
This document is a final report on a pharmacokinetic study of PFOS conducted in rats, detailing the study's methods, results, and compliance with regulatory standards. 1999 AR226-0565 VJBVmBvvDrNL2wgObQ1zJRGXp 172
This document outlines the protocol for a pharmacokinetic recovery study of potassium perfluorooctane sulfonate (PFOS) in rats, conducted by 3M Environmental Technology and Safety Services to determine PFOS levels in liver and serum specimens. 1999 AR226-0566 NGdeXkz65Q7zYMQMb9brromMp 25
This document outlines a protocol for an oral pharmacokinetic study of potassium perfluorooctane sulfonate (PFOS) in rats, sponsored by 3M, aimed at determining PFOS levels in liver and serum specimens. 1999 AR226-0567 YjGNyJ72QbbMJ4Kv1nRbJYYk8 24
This document is the final report of a pharmacokinetic recovery study of PFOS conducted in rats, detailing the study's methods, results, and conclusions. 1999 AR226-0568 Z4JnMnmO6z2wDBVgVzeQyRbYY 160
This 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. 1999 AR226-0563 aJz93wv3rdONV9X2k8VvY3XMb 645
The document summarizes a two-generation reproduction study of PFOS (Perfluorooctanesulfonate) conducted on rats, which assessed the effects of various dose levels on fertility, development, and postnatal reproduction, with findings indicating no deaths in the Fo generation animals. 1999 AR226-0569 XQgzBBGgvemZn700BKppae3G 11
This analytical laboratory report details the determination of the presence and concentration of Perfluorooctanesulfonate (PFOS) in the serum of Sprague-Dawley rats exposed to potassium perfluorooctanesulfonate via gavage, conducted by 3M Environmental Laboratory. 1999 AR226-0570 EqMozRYwLaYJ2r7qqejMB4Y6n 113
The document is a pathology report detailing an ancillary study on the pharmacokinetics of PFOS in CRL:CDBR VAF/Plus rats, indicating no significant ultrastructural differences in liver and lung tissues between treated and control groups. 1999 AR226-0572 JvE81EJ73DJd9jnRRz4OooJ12 74
The document is a final report for an oral (gavage) cross-fostering study of PFOS in rats, conducted under study number T-6295.13, detailing the methods, results, and conclusions of the research. 1999 AR226-0571 wgLo66D4wYRpp2rjKwzZ4OabJ 257