1980s

Documents dated 1980–1989.

Page 3 of 6 — 597 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document reports on a primary skin irritation test of the substance T-3494 conducted on female albino rabbits at Riker Laboratories, indicating that T-3494 is slightly irritating to the skin, with slight erythema observed but no edema. 1984 AR226-0313 rBg8wG2vjQxLvv21Op037p4x7 10
The document reports on an acute ocular irritation test of the substance T-3494 conducted on female albino rabbits at Riker Laboratories, indicating that T-3494 is minimally irritating to the eyes, with only temporary conjunctivitis observed. 1984 AR226-0314 oddQb611JQeJEyQdRMx7qeBD 12
The document is a final report from SRI International detailing the results of in vitro mutagenicity assays conducted on 3M Company's Compound T-3610, which was found to be nonmutagenic and nonrecombinogenic in both the Ames Salmonella/microsome assay and the yeast Saccharomyces cerevisiae D3 assay. 1984 AR226-0316 QXdJ8p5ymjeKMaxQB4nQ3x9X6 18
The document reports on a biodegradation study of N-Ethylperfluorooctanesulfonamide (FX-12) conducted by 3M Company, indicating that the substance is not capable of readily biodegrading in aerobic environments, with a 20-day BOD of <940 mg/kg and a COD of 22,000 mg/kg. 1984 AR226-0336 Byz84REnkb7dKKBmMOqzbB5Ok 4
The document reports on an acute toxicity study conducted by 3M Company in 1984, which found that N-Ethylperfluorooctanesulfonamide (EtFOSA) has a 96-hour LC50 of 34 mg/L for the fish species Pimephales promelas, although the study's reliability is questioned due to issues with sample purity and concentration measurement. 1984 AR226-0339 dnpgMk9Lb2d5vD1dEo1mwyan0 5
The document reports on a toxicity study conducted by 3M Company in 1984, which found that N-Ethylperfluorooctanesulfonamide (EtFOSA) has an EC50 of 3.2 mg/L for immobilization of daphnids, although the study's reliability is questioned due to unmeasured actual concentrations and inadequate characterization of sample purity. 1984 AR226-0341 NekbJ8qrO1aqV9B1wB6a3rvnD 5
The document reports on a solubility screening study conducted by 3M Company in 1984 for perfluorooctanesulfonyl fluoride (FX-8), indicating that it is slightly soluble in water with measured total organic carbon (TOC) values below 2 mg/L across various nominal concentrations, but the study lacks sufficient quality due to uncharacterized purity and indirect measurement methods 1984 AR226-0374 ZJDVnMM0REKBErmGm46XV4MMV 6
The document reports on an activated sludge respiration inhibition test conducted by 3M Company, which found that perfluorooctanesulfonyl fluoride (POSF) exhibited no inhibitory effect on respiration at a concentration of 1000 mg/L over a 6.75-minute exposure. 1984 AR226-0375 qep8m6vM7OwjLXqNYw70E9mK 6
The document reports on an acute toxicity test of perfluorooctanesulfonyl fluoride (POSF) on the fish species Pimphales promelas, indicating that the 24, 48, and 96-hour LC50 values were all greater than 1000 mg/L, suggesting low toxicity at the tested concentrations. 1984 AR226-0376 MGQOmGj6Z4wMxd1J2YkKQx5M7 6
The document reports on a biodegradation study conducted by 3M Company on the test substance 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate, indicating that it is not capable of readily biodegrading in aerobic environments, with significant biochemical oxygen demand (BOD) results over 20 days. 1984 AR226-0411 MGkgKBQ7Rd6L70y2o08Nr2xBy 8
The document reports on an activated sludge respiration inhibition test conducted by 3M Company, which found that the test substance 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate (B1228) exhibited no inhibitory effect on respiration at a concentration of 1000 mg/L after 6.65 minutes of exposure, indicating an EC50 greater than 1984 AR226-0414 dDxjJpVZjjZXbxXxXX7vpeM55 4
The document reports on an acute toxicity study of the perfluorinated compound EtFOSEA (2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate) on fathead minnows, concluding that the 96-hour LC50 is greater than 1000 mg/L, indicating low toxicity at the tested concentrations. 1984 AR226-0413 ybgbop3yozYmG7ZBN7K8wgLBD 4
The document reports on an oral teratology study of T-3141CoC, conducted by 3M Commercial Chemical Division, which found that the compound did not cause embryotoxicity or teratogenic effects in pregnant rabbits at doses up to 50 mg/kg/day, although the high dose group experienced significant weight loss. 1984 AR226-0465 gEYr0Bg543yKqd4dd469K1RKJ 29
The document reports on the inorganic fluoride test results for personnel from Building 15, indicating no increased levels of inorganic fluoride exposure among the group despite previous concerns related to organic fluorine determinations. 1984 AR226-0482 0LLNVY6BKv0xGnz5yNGzEJwn 3
The document discusses concerns regarding increasing blood fluorine levels among employees in Building 15, linked to the handling of organic fluorine compounds, indicating a need for improved protective measures if the trend continues. 1984 AR226-0483 e2YVjvoaM6nMaeBxJNgBR6vg 4
The document reports on a respiration inhibition test conducted on 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro, in compliance with OECD Guideline No. 209, sponsored by the Telomer Research Project involving companies such as DuPont 1984 AR226-1220 vVZZ9j8ZX3GOE1ZXJr7EJ26yE 30
The document presents data on C-8 (PFOA) levels in drinking water from various locations near the No. 5 outfall, indicating detectable levels in the Lbeck Water District and Little Hocking, while other locations showed non-detectable levels from 1984 to 1988. 1984 AR226-1410 6b06LXONjpNEnNn4EObZg0OZE 1
The document reports on an acute toxicity test of 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro conducted on earthworms (Eisenia fetida) according to OECD Guideline 207, sponsored by the Telomer Research Project 1984 AR226-1429 zoaa6bYdJVq0rEY32mpdG3OKa 33
The document reports on a solubility screening study conducted by 3M Company in 1984 for perfluorooctanesulfonyl fluoride (FX-8), indicating that it is slightly soluble in water with measured total organic carbon (TOC) values below 2 mg/L across various concentrations, although the study's reliability is questioned due to lack of actual concentration measurements and characterization of 1984 AR226-0374 OwBZ4Laok5doyXJYEZ4E2Zy1 6
The document reports on an activated sludge respiration inhibition test conducted by 3M Company on perfluorooctanesulfonyl fluoride (POSF), indicating that the substance showed no inhibitory effect on respiration at a concentration of 1000 mg/L over a 6.75-minute exposure. 1984 AR226-0375 q3QaO84vXm9bMDzDNZJ98M27E 6
The document reports on an acute toxicity test of perfluorooctanesulfonyl fluoride (POSF) on the fish species Pimphales promelas, indicating that the 24, 48, and 96-hour LC50 values were all greater than 1000 mg/L, suggesting low toxicity at the tested concentrations. 1984 AR226-0376 3e7vOLxyooOapb3a01wGkyKE0 6
The document reports on a biodegradation study conducted by 3M Company on the test substance 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate, indicating that it is not capable of readily biodegrading in aerobic environments, with significant biochemical oxygen demand (BOD) results. 1984 AR226-0411 93yLdx9576rodVNn3JNRoX6Oe 8
The document reports on an acute toxicity study of the perfluorinated compound EtFOSEA (2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate) on fathead minnows (Pimephales promelas), concluding that the 96-hour LC50 is greater than 1000 mg/L, indicating low toxicity at the tested concentrations. 1984 AR226-0413 6JKa5MJ26JNzrLZZ9jq6794 4
The document reports on an activated sludge respiration inhibition test for the substance 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate (B1228), conducted by 3M Company, which concluded that the substance exhibited no inhibitory effect on respiration at a concentration of 1000 mg/L after 6.65 minutes of exposure. 1984 AR226-0414 KJjqQV8bLDK28v216e6rjJ3Rr 4
The document outlines a request to schedule annual C-8 (PFOA) blood tests for EPD Operators in a specific month starting in 1985 to improve efficiency in sample analysis and timely reporting of results. 1984 AR226-1635 wJ6o6o0jqEqMG09vG1b4qL5J 2
The document provides an update on the C-8 (perfluorooctanoic acid, PFOA) blood sampling program, indicating that Fine Powder/Dispersion Operators experienced an average 24% drop and FEP Operators a 12% drop in blood C-8 levels over the past 2 to 3 years, based on recent blood sample results. 1984 AR226-1634 2BMYRVLd6kxQVez9rRm8Y1Mb 22
The document reports on an oral teratology study of T-3141CoC, sponsored by 3M Commercial Chemical Division, which found that the compound did not cause embryotoxicity or teratogenic effects in pregnant rabbits at doses up to 50 mg/kg/day, although the high dose group experienced significant weight loss. 1984 AR226-0465 vVrqknEGmJVG6OabjYaZgLgqb 29
The document reports that inorganic fluoride test results from blood samples of personnel at 3M's Building 15, dating back to 1980 and tested up to November 1983, indicate no increased exposure to inorganic fluoride among the individuals tested. 1984 AR226-0482 dQbp8on7w69r3ykpDB1BORw89 3
The document discusses concerns regarding increasing blood fluorine levels among employees in Building 15, linked to the handling of organic fluorine compounds, and emphasizes the need for improved personal hygiene and engineering controls to mitigate exposure risks. 1984 AR226-0483 EdY2ovpBO2bkJ7EQv6NyZmMvV 4
Unreadable document. 1984 AR226-1984 KzRe2OvOwoad5MpEGorr3xO8K 19
The document reviews blood data related to C-8 (PFOA) levels among employees at Washington Works, indicating varying percentages of blood contamination across different years and highlighting the challenges in interpreting the data due to personnel changes and historical exposure factors. 1984 AR226-2010 37yKO1gZq004Mp6moQ1JxZwR0 5
The document is a DuPont EMSER report detailing an activated sludge respiration inhibition test conducted on a perfluorinated compound, specifically focusing on compliance with OECD guidelines and Good Laboratory Practices. 1984 AR226-2730 zoJoZa5MBj5eD6rMRyOaQ0DGR 19
The document details sampling results for C-8 (PFOA) concentrations in various water sources near the Ohio River, indicating levels above the 0.6 ppb limit in several locations, with CH2MHILL confirming the presence of C-8 in the water. 1984 AR226-2383 xvdprv20gkqNq3bmb6yzB9z1 4
The document provides an update on C-8 (PFOA) levels in water samples from various locations, indicating that recent data confirms previous findings with low concentrations that are not a cause for concern, and no further sampling is planned unless necessary. 1984 AR226-2385 EvpVVYxRYOrNBkLJO2QdXqopN 2
This analytical report details the detection of perfluorooctanoate (PFOA) in fifteen water samples, with concentrations ranging from non-detectable to 0.8 ppb, using electron capture gas chromatography. 1984 AR226-2386 50GweyO3eaEXa28OpGX3pez6N 2
This analytical report details the detection of perfluorooctanoate (PFOA) in water samples, indicating a detection limit of 0.4 ppb, with some samples showing concentrations of 0.4 ppb and 0.8 ppb. 1984 AR226-2387 oDdO7mvKB6k9raXwOX868nZBr 2
The document details water sampling conducted in 1984 near the Washington Works facility, focusing on the presence of perfluorinated compounds, specifically PFOA, in various drinking water sources downstream from the facility. 1984 AR226-2388 b5Qe8a6XzLob9aBjvxNmj8L1y 2
The document is a revised draft permit issued by the EPA for E. I. du Pont de Nemours & Company regarding corrective action for hazardous waste management at their facility in Parkersburg, West Virginia, requiring compliance with RCRA regulations. 1984 AR226-2534 QX2g7GzD9ZX7nVO1KEErjpr74 49
The document reports on industrial hygiene surveys conducted at heat-setting operations in the UK and the Netherlands, measuring particulate concentrations related to PFOA exposure, with findings indicating that the sampled concentrations were below the acceptable exposure limit. 1984 AR226-2913 jm3MqN3dLNJ2NndJ2Zjadjnd9 13
The document provides a summary of the physical and toxicological properties of Ammonium Perfluorononanoate (C-9), including its moderate acute oral toxicity, recommended acceptable exposure level (AEL) of 0.01 mg/m3, and the basis for this recommendation based on comparisons to Ammonium Perfluorooctanoate (C-8). 1984 AR226-3377 kLXKonN6jXJKbzzdnXYg2V6J 2
The document reports on a biodegradation test (OECD 301E) for a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the biodegradability of the fluorochemical component due to incomplete characterization of impurities. 1984 AR226-0739 LJxZ9yrNY9mwDgBGGdRG6E1mq 15
The document reports on an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 1% perfluorooctanesulfonate (PFOS) and various other components, although the study did not provide specific methods or calculate LC50 values due to incomplete characterization of impurities. 1984 AR226-0839 DGvvgkxKBj8GvNK8XrONMzKbn 7
The document reports on an activated sludge respiration inhibition test for a mixture containing 1% PFOS, conducted using a sample identified as L-9235 (FX-601), which showed no inhibitory effect on the respiration rate of activated sludge at tested concentrations. 1984 AR226-0840 6RKdmrYDQBRmakZxZxvgZ0Rm9 6
The document presents data on C-8 (PFOA) levels in drinking water at various distances from the No. 5 outfall, indicating detectable levels in the Lbeck Water District and Little Hocking, while other locations showed no detectable levels from 1984 to 1988. 1984 AR226-1410 a4MkVw59wnebjoKDmGqXwrq0b 1
The document discusses a safety evaluation study of the test substance T3351, indicating that while it causes severe maternal toxicity at higher doses, it has minimal adverse effects on fetal development, suggesting that as long as exposure is below toxic levels for adults, embryonic development remains unaffected. 1983 AR226-0015 5K4o7pN0aXKnrpGragEjqypR 2
This is a final report from Hazleton Laboratories America, Inc. for a Rat Teratology Study (Project No. 154-160) submitted to 3M Company on December 19, 1983, detailing the study's methodology, results, and quality assurance inspections. 1983 AR226-0014 zoYQkr5OLx6OMOQr6Zp5nkgG6 83
The document reports on a study conducted by Riker Laboratories, Inc. from October 1980 to June 1981, focusing on the metabolism of carbon-14 labeled N-Ethyl FOSE, a perfluorinated compound, in animal subjects, detailing methods of dosing, sample collection, and radiometric analyses. 1983 AR226-0979 GKz8daLLbMwG6n9b0RprKnkN4 21
The document is a final report of a pilot rat teratology study (Project No. 154-159) conducted by Hazleton Laboratories America, Inc. for 3M Company, focusing on the effects of a test compound on maternal and fetal outcomes. 1983 AR226-0979 DGxkdbpaL3Jeo8ggpYM76YD9n 50
The document reports on an acute ocular irritation test of T-3421, a substance tested on female albino rabbits at Riker Laboratories, indicating that T-3421 is moderately irritating to the unwashed eye and mildly irritating under limited contact conditions, with various levels of irritation subsiding over time. 1983 AR226-0211 zo86dmLo7d7D9MOvv58NkGLwR 15
The document reports on a primary skin irritation test conducted on T-3421 at Riker Laboratories, which found that T-3421 is moderately irritating to the skin of female albino rabbits, with mild erythema and edema observed after a one-day occluded contact period. 1983 AR226-0212 YDGOXKEMVz1ZVqd9NXoB0BXm0 10
The document reports on a primary skin irritation test of the substance T-3421, conducted on female albino rabbits at Riker Laboratories, indicating that T-3421 is moderately irritating to the skin. 1983 AR226-0212 b5jp8yV7xyyMkyrbXwJbja3no 10
The document reports the results of an acute ocular irritation test for the substance T-3421 conducted on female albino rabbits, indicating that T-3421 is moderately irritating to the unwashed eye and mildly irritating under limited contact conditions, with various levels of corneal opacity and conjunctivitis observed during the evaluations. 1983 AR226-0211 2J7JXka84Eee8JvnNmwQyN6dg 15
This is a letter from Dr. E. Marshall Johnson at Jefferson Medical College to Mr. William C. McCormick at 3M, providing a review of a developmental toxicity study on T3351, highlighting its safety for embryonic development despite maternal toxicity observed at higher doses. 1983 AR226-0015 dYnVr7DD64O3yq0NoNdBve8Q 2
This is a final report from Hazleton Laboratories America, Inc. for a Rat Teratology Study (Project No. 154-160) submitted to 3M Company on December 19, 1983, detailing the study's methodology, results, and quality assurance inspections. 1983 AR226-0014 baBXpm8ZDvj935e3vD0nOv6pD 83
The document details a biodegradation test (OECD 301E) conducted on a mixture containing perfluorooctanesulfonate (PFOS) and other components, indicating that the test sample is FC-203, which consists of 1.34% PFOS among other substances, but notes that the data may not accurately reflect the toxicity of the fluorochemical component due to incomplete characterization 1983 AR226-0712 MJqjxMrOaLwJ2OD7z5g6pBkqV 14
The document details a biodegradation test (OECD 301 E) conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample FC-203 consists of 1.34% PFOS along with various other components, and notes that the data may not accurately reflect the degradation potential of the fluorochemical due to incomplete 1983 AR226-0713 dQb922mGDJKdKvk50ZzeKe2JG 23
The document details an activated sludge respiration inhibition test conducted on a mixture containing 1.0% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the inhibition caused by the fluorochemical component due to impurities. 1983 AR226-0831 jVLNnvbqz31m4rbgQRoezvrO 4
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on fathead minnows (Pimephales promelas), indicating no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0833 gDbkqjb1G0XJo546aEqDNrRwe 4
The document describes an activated sludge respiration inhibition test conducted on a mixture containing 1.0% PFOS, produced by 3M, to assess its impact on oxygen consumption, although the results may not accurately reflect the inhibition due to impurities in the test sample. 1983 AR226-0832 rpjdVyDRJ3vqJLy6O5mkOJVXq 4
The document details an acute toxicity test on a mixture containing 1.0% PFOS conducted on fathead minnows (Pimephales promelas), indicating no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0834 QMmLo96p2M1zqmpJJoJmerzE4 4
The document reports on an acute toxicity test of a mixture containing 1.0% PFOS conducted on fathead minnows (Pimephales promelas), indicating no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0835 QgMqKoVmKdpjXgZZGVeXR0qqR 4
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on fathead minnows (Pimephales promelas), indicating no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0836 85a6R5jEOYpDQQn9r5yQQdgkd 4
The document provides an overview of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol), including its identity, physical characteristics, and mentions that robust summaries of individual studies are being submitted by 3M Company, while some older studies are not summarized due to the existence of newer research. 1983 AR226-0365 n219X55VLYZnymaDv1gz1Qxz 36
The document reports on a study conducted by Riker Laboratories Inc. on the absorption, biotransformation, tissue distribution, and elimination of Carbon-14 labeled N-Ethyl FOSE (2-N-ethyl perfluorooctanesulfonamido ethanol) in animals after administration in feed. 1983 AR226-0965 wrwXG3p7rVgrnM5m6pV6LN7do 57
The document reports on a primary skin irritation test conducted on T-3371, a substance tested at Riker Laboratories, which resulted in irreversible tissue damage and severe irritation in female albino rabbits after various contact periods. 1983 AR226-0424 kvO5xzXoE8KNgEDn3VwkBORV 12
This document reports that hormonal changes during pregnancy do not affect the rate of elimination of carbon-14 from ammonium C-perfluorooctanoate in pregnant rats, with nearly all carbon-14 excreted via urine within 24 hours, indicating no accumulation in tissues during repeated dosing in teratology studies. 1983 AR226-0458 ZnM9vZrRYOYE8XdGBRe9Nrw4d 6
The document is a technical report summary from 3M Company regarding the identity and characterization of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol), including remarks on its purity and the status of related studies. 1983 AR226-0365 v69NVYY4gm7kmMEBzg00rV12w 36
The document reports on a primary skin irritation test conducted on T-3371, a substance evaluated for its potential to cause irreversible skin damage in female albino rabbits, resulting in moderate erythema, edema, and severe irritation without achieving the required endpoint. 1983 AR226-0424 bykLeO5peadpaDpvwq0LKXgd6 12
The document is a recommendation from Bruce W. Karrh, M.D. of E.I. du Pont de Nemours & Company to proceed with FC-143 blood tests on employees at the F&F plant, specifically those in Teflon-related jobs, following a previous letter dated April 8, 1982. 1983 AR226-1626 xzy7ZejeEJgz6Br3pxDNGqmk6 1
The document reports a statistically significant drop in blood C-8 (PFOA) levels among TEFLON Fine Powder/Dispersion and FEP Operators, indicating a 13% decrease over two years, with average levels of 5.5 ppm and 1.2 ppm respectively. 1983 AR226-1627 peymZdrV1kakR53RQoEGzO9od 5
The document reports the analysis of blood samples from Tralee Park employees for perfluorooctanoate (PFOA), revealing concentrations of 0.17 and 0.15 µg/g blood, using gas chromatography. 1983 AR226-1628 wKbBYL05RDwg9MRMzdjrj5Qo 2
This document provides detailed blood C-8 (PFOA) level data for employees at E.I. du Pont de Nemours Company's Washington Works who have not worked in the Fluoropolymers Division, indicating that blood C-8 levels are low and reach equilibrium in less than a year. 1983 AR226-1631 71EppmgRdb5ma68bVJOoQOgkV 2
The document reports a study conducted by Riker Laboratories, Inc. on the excretion of carbon-14 from ammonium C-perfluorooctanoate in pregnant rats, finding that hormonal changes during pregnancy do not affect the elimination rate, with nearly all carbon-14 excreted via urine within 24 hours for both pregnant and nonpregnant rats. 1983 AR226-0458 8OQ9LNBLkY3BYkZO0djX1pLVa 6
Unreadable document. 1983 AR226-1983 6RB1DxzJR72oJ8DjBz1pdNwEg 2
The interoffice memorandum discusses test results for C8 (likely PFOA or PFOS) in water samples from various locations, indicating concentrations ranging from below detection limits to 10.8 ppb. 1983 AR226-2405 6BM9eyMVON0q47n1R8GgdMm46 1
The document provides an overview of Telomer B Carbamate, including its chemical structure, physical properties, toxicity data, and recommended acceptable exposure limits (AEL) based on studies conducted by DuPont, indicating a low acute toxicity profile and a recommended AEL of 1 mg/m³ for respirable particulate. 1983 AR226-3383 v6pdn64eqwK7VBnkwgQw4D6dR 2
The document details a biodegradation test (OECD 301E) for a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample, FC-203, consists of 1.34% PFOS along with various other components, but notes that the data may not accurately reflect the toxicity of the fluorochemical due to incomplete 1983 AR226-0712 p8QxZMQ9wKX4QD8LYJN8KmbB 14
The document details a biodegradation test (OECD 301 E) conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample FC-203 consists of 1.34% PFOS and various other components, with results based on the percentage of dissolved organic carbon removal. 1983 AR226-0713 ymqYgLz5kQdLRj4eyJ4Qe0p8n 23
The document details an activated sludge respiration inhibition test conducted on a mixture containing 1.0% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the inhibition caused by the fluorochemical component due to impurities. 1983 AR226-0831 Nez7477YXe6XjOZ1vRO0LgKpR 4
The document details an activated sludge respiration inhibition test conducted on a mixture containing 1.0% PFOS, produced by 3M, indicating that the test sample's composition may affect the accuracy of the results regarding PFOS's inhibition effects. 1983 AR226-0832 7OE4Gyaaa5LpXj7Lmo2w3Q4kR 4
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 1.0% PFOS, produced by 3M, which showed no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0833 g2kday5qbdr48nGyEakxw5OkG 4
The document reports on an acute toxicity test of a mixture containing 1.0% PFOS conducted on fathead minnows (Pimephales promelas), indicating no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0834 DMLr2G4Bnkny85VYNXqzaqvoa 4
The document reports on an acute toxicity test of a mixture containing 1.0% PFOS, conducted on fathead minnows (Pimephales promelas), indicating no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0835 3bkr7G2z5ge9a0007gyr90Na 4
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on fathead minnows (Pimephales promelas), indicating no mortality at the highest concentration tested over a 96-hour exposure period. 1983 AR226-0836 gaLrGm2ZrQ8g4oxL8wjORGOrN 4
The document is a recommendation from Bruce W. Karrh, M.D. of DuPont to proceed with blood tests for FC-143 (a perfluorinated compound) on employees involved in Teflon production, indicating that further testing may not be necessary after initial analyses. 1983 AR226-1626 3J5jj850zyL3DYjdO38ZDm743 1
The document is an analytical report confirming that FM-3924, a perfluorinated compound, meets quality control specifications and is stable, as analyzed for Riker teratology study #0681TR0362. 1982 AR226-0279 wgxDnZmyxxykrwyb1x1Gabj8d 2
The internal correspondence details the analytical results of FM-3924, a perfluorinated compound, confirming its structure and composition for Riker's teratology study, with specific findings on isomer distribution and elemental analysis. 1982 AR226-0286 zo6bxEeJR6r2B3q4ngkQeLaE7 2
The document discusses a review of anatomical specimens related to a study on the effects of a test substance, revealing that previously reported abnormalities in fetal rat eyes were actually normal findings, indicating potential errors in the original study's conclusions. 1982 AR226-0017 YrvDkeVjq1pjxdwgR6md42V9n 2
The document is a final report from SRI International assessing the mutagenic and recombinogenic activity of 3M Company's Compound T-3290CoC using in vitro assays, concluding that the compound was neither mutagenic nor recombinogenic. 1982 AR226-0222 MJ5M83JV6yeRJONN2ag2vy7D7 16
The document reports a water solubility calculation for Decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2070), produced by 3M Company, indicating a solubility of 250 g/L, although the reliability of the calculation is questioned due to lack of validation. 1982 AR226-1030 RJ9dw21kmegOB8ooz9YZaEjLX 2
This document summarizes a toxicity study on perfluorooctanesulfonate (PFOS) conducted by Beak Consultants for Panarctic Oils, reporting an acute 48-hour EC50 value for Daphnia magna of 58 to 67 mg/L, although the study's reliability is limited due to unmeasured actual concentrations and uncharacterized sample purity. 1982 AR226-1030 QkQeYpXg57nevB7ek25wqqknL 1
The document details an acute toxicity test conducted in 1982 on the fish species Pimephales promelas (fathead minnow) using a mixture identified as PFOSAA (perfluorooctanesulfonylamido(ethyl)acetate) produced by 3M, which showed an LC50 value greater than the highest concentration tested, indicating low toxicity. 1982 AR226-1030 6w2nREpvGrBbgwLR0QE9N80kR 3
The document reports on an acute toxicity test of the perfluorinated compound Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted on fathead minnows (Pimephales promelas), indicating that the LC50 value was greater than the highest concentration tested. 1982 AR226-1030 X8O6oG6q0NL0vBM3Bj4rwGRm4 3
The document details a biodegradation test of a mixture containing perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) produced by 3M, indicating that the results for the 28-day Chemical Oxygen Demand (COD) were invalid and do not accurately reflect the degradation potential of the fluorochemical component. 1982 AR226-1030 w45j8bQ9ZVydL7jmrZLR4Lp4 3
The document details a biodegradation study of perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) produced by 3M, indicating a Chemical Oxygen Demand (COD) of 280,000 mg/kg and a 28-day Biochemical Oxygen Demand (BOD) of 18,900 mg/kg, suggesting limited biodegradability. 1982 AR226-1030 wq410EwZ1YbkxLQm9op23q8Eo 2
The document reports on a 1982 acute toxicity test conducted by 3M Company on a mixture containing perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA), indicating that it does not inhibit the respiration rate of activated sludge at a concentration of 1000 mg/L. 1982 AR226-1030 6B8doe3ExoLnkaZ0vXLLKJvxE 2
The document is a final report from SRI International assessing the mutagenic and recombinogenic activity of 3M Company's Compound T-3290CoC using in vitro assays, concluding that the compound was neither mutagenic nor recombinogenic. 1982 AR226-0222 req3nxDzoBm7yoY8L1N7NJqjV 16
The document discusses a review of anatomical specimens related to a study on the effects of a test substance, indicating that previously reported abnormalities in fetal rat eyes were misidentified and that the evaluation process lacked proper controls, which undermines the validity of the findings. 1982 AR226-0017 K6np9KvxXKmxJYMV6m9oKG4R0 2
This document presents a biodegradation study of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company in 1982, reporting high Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) values, but lacking detailed methodology and data reliability. 1982 AR226-0685 q3Yxa5m58dD56Jq6RDL3dNVpR 3
The document details an acute toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) using juvenile Pimephales promelas, with specific test conditions and methods outlined, although it notes that the data may not accurately reflect the toxicity of the fluorochemical component due to impurities. 1982 AR226-0686 5kL9neJO6Bd38ZjgBjQBwo5v4 12