CD 14 — AR226-1068a

EPA administrative record segment: CD-14--AR226-1068a (1,777 documents).

Page 11 of 18 — 1,777 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document details an activated sludge respiration inhibition test conducted on perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), produced by 3M, indicating varying levels of inhibition in respiration rates at different concentrations. 1987 AR226-0510 8wMb4O93wR8Nj8QqxNkz859B 7
The document presents the results of a Microtox toxicity test conducted by 3M on perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), determining its 30-minute EC50 value for Photobacterium phosphoreum to be 870 mg/L. 1987 AR226-0511 g2R9pxKYBqj6zbN04pa6ZVB1a 4
The document reports an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) on Daphnia magna, conducted by 3M, which found a 48-hour EC50 value of 221 mg/L. 1987 AR226-0512 2RnqRk9e8zLB7rE0Q4xQKZeNb 4
This document reports on an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on the fish species Pimephales promelas, revealing total mortality at higher concentrations (320 mg/L and above) within 24 hours. 1987 AR226-0513 XRw301359pyw7wyqpKb6kKJad 4
The document is a memo from DuPont requesting the establishment of acceptable levels for ammonium perfluorooctanoate (C-8) in blood and community drinking water. 1987 AR226-1636 jxwmwkROjzqJmdXYBL5M7odR 1
The document reports that a primary skin irritation test conducted on T-3874 at Riker Laboratories, Inc. found it to be non-irritating to the skin of female albino rabbits, with no signs of erythema or edema observed. 1986 AR226-0205 MJwgQjXwL5aewGnJKb39L5y3y 10
The document discusses the spreading kinetics of aqueous solutions of a mixture of hydrocarbon and fluorocarbon surfactants, specifically focusing on a commercial AFFF (aqueous film-forming foam) agent, and establishes an empirical relationship between the rate of spreading and various experimental parameters. 1986 AR226-1315 xjgK9yaDLBKgqGjodQz4Gdb7g 10
The document is a final report on the in vitro microbiological mutagenicity assays of 3M Company's Compound T-3752, which was found to be reproducibly non-mutagenic and non-recombinogenic in tests conducted according to FDA Good Laboratory Practice Standards. 1985 AR226-0247 RjYv18jQdzbQ2xJ9gd3x9Bd8B 20
The document is a final report from Hazleton Laboratories America, Inc. detailing an acute oral toxicity study of the test material T-3727, which is associated with Minnesota Mining and Manufacturing Company, using Sprague-Dawley rats to assess its safety according to OECD guidelines. 1985 AR226-0245 R7KoLd46Yz7jamN7eMvVv14E 102
The document is a final report on the in vitro microbiological mutagenicity assays of 3M Company's Compound T-3727, which was found to be reproducibly non-mutagenic when tested using the standard Ames Salmonella/microsome assay. 1985 AR226-0248 RaeQKa0d1Vz7dXDqzXDparJKV 16
The document is a final report from SRI International detailing the in vitro microbiological mutagenicity assays of 3M Company's Compound T-3651, which was found to be nonmutagenic and nonrecombinogenic in the tested assays. 1985 AR226-0684 0qXng7qXaGapqMqb3052NOXbO 19
This document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company, revealing high Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) values, but lacks detailed methodology and characterization of the test substance. 1985 AR226-0909 eLgE2nqY290n0Jz6qGKpweyp 3
The document details an acute toxicity test on a mixture containing perfluorooctanesulfonate (PFOS) conducted on fathead minnows (Pimephales promelas) to evaluate its effects, noting that the test sample FX-3103 contains 0.96% PFOS among other components. 1985 AR226-0910 NEepGaZpYeeDzkvJdrmNxMy9R 4
This document reports on a 1985 acute toxicity study of a PFOS-containing mixture (FX-3103) on the aquatic plant Selenastrum capricomutum, revealing a 96-hour IC50 value of 236 mg/L and significant growth inhibition at higher concentrations. 1985 AR226-0911 YrXJjKd0ZJJyK5zy3J9oGGaqy 4
The document details an acute toxicity test of a PFOS-containing mixture (FX-3103) on Daphnia magna, indicating that the test was conducted under static conditions with a 48-hour exposure period, although the specific methodology and results are not fully provided. 1985 AR226-0912 99xd4r7pb2wY2q2ZKEVmOwBEp 5
The document reports the results of a Microbios Microtox toxicity test on a mixture containing 0.96% PFOS, indicating that the EC50 values for Photobacterium phosphoreum were greater than 1000 mg/L, suggesting low toxicity for the tested mixture. 1985 AR226-0913 yk5nYBeEQRQJYk83jLjdkVKR2 4
The document reports on an activated sludge respiration inhibition test for a mixture containing perfluorooctanesulfonate (PFOS) and other components, indicating that the 30-minute and 3-hour EC50 values were greater than 1000 mg/L, suggesting low toxicity at the tested concentrations. 1985 AR226-0914 44V4BnjoRRKDeeRzoMzJaODo1 5
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company in 1985, revealing high Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) values, but lacking detailed methodology and characterization of the test substance. 1985 AR226-0915 ZV9jkxOa4ZMEM6EO49YoDGmp 3
The document reports on a toxicity study of a mixture containing perfluorooctanesulfonate (PFOS) conducted on the aquatic plant Selenastrum capricomutum, revealing a 96-hour IC50 value of 576 mg/L, indicating significant inhibition of algal growth at higher concentrations. 1985 AR226-0917 Ozn5jnEynGXm6aRnQvRbOodvX 4
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 0.48% perfluorooctanesulfonate (PFOS) and other components, with the study completed in 1985 but lacking specific methodological details and GLP compliance. 1985 AR226-0916 xjz63j85JXpQaD3rnqxKxov7y 4
The document details an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, indicating that the test sample FX-3104 consists of 0.48% PFOS among other components, although the toxicity data may not accurately reflect the fluorochemical component due to impurities. 1985 AR226-0918 0g9Q8yZn0KqyVE1LLgodJvb5k 5
The document reports on a Microbics Microtox toxicity test conducted on a mixture containing 0.48% PFOS, indicating that the 5-minute and 15-minute EC50 values were greater than 1000 mg/L, suggesting low toxicity for the tested mixture. 1985 AR226-0919 YjKj06JNR3Gw5B5DX9MeoampO 4
The document reports on an activated sludge respiration inhibition test for a mixture containing perfluorooctanesulfonate (PFOS) and other components, indicating that the 30-minute and 3-hour EC50 values were greater than 1000 mg/L, suggesting low toxicity at the tested concentrations. 1985 AR226-0920 DMajVgwppXMzdZk878DG587eO 4
This document reports on a biodegradation test of a mixture containing 2.31% perfluorooctanesulfonate (PFOS) conducted by 3M Company, revealing high Chemical Oxygen Demand (COD) and varying Carbonaceous-Biochemical Oxygen Demand (BOD) results, but lacks comprehensive data quality and characterization of the test substance. 1985 AR226-0921 ayBjD8qgBBy7m1630VLB8YQN 9
The document details an acute toxicity test conducted in 1985 on a mixture containing 2.31% perfluorooctanesulfonate (PFOS) using juvenile fathead minnows, which showed no mortality over a 96-hour exposure period. 1985 AR226-0922 YGNgOnegp82X52ZXJDXBeVyMK 5
The document reports the results of a Microbios Microtox toxicity test on a mixture containing 2.31% PFOS, indicating that the 15-minute EC50 value for the mixture is greater than 1000 mg/L, suggesting low toxicity at the tested concentrations. 1985 AR226-0923 37NEe95V9oa7NBZmrJYqe797y 4
The document is a correspondence from DuPont regarding the U.S. EPA Solid Waste Management Unit Survey, discussing the challenges of providing accurate records and engineering prints for solid waste management units at their facility, which has operated since 1948 and involves the reuse of plastics that are not considered hazardous under RCRA regulations. 1985 AR226-1331 babxg0OrRQzG0EOJ10NNbbdbo 3
The document is an analytical report on FC-143 Lot 37, indicating that the substance, which is a perfluorinated compound, was characterized and found to be stable and representative of commercial material after pre and post-study analysis. 1985 AR226-0466 5Dvb1255LBb4E9nVo8QxNRmme 2
The document reports on a biodegradation study of perfluorooctanoic acid (PFOA), also known as FX-1001, conducted by 3M Company, indicating that no reliable conclusions can be drawn due to insufficient characterization of the test substance and lack of raw data. 1985 AR226-0494 Evkgm5jR6o0Jw33ppJo6pZ7RL 9
The document details an acute toxicity study of Perfluorooctanoic acid (PFOA) on the fish species Pimephales promelas, indicating that total mortality occurred at the highest concentration tested (870 mg/L) after a 96-hour exposure period. 1985 AR226-0509 Ex63RgXoQ5J5yn6a7G8jD6wjR 5
The document reports on an acute inhalation toxicity study of T-3607 (perfluorooctyl sulfonyl fluoride) conducted by Bushy Run Research Center for 3M Company, finding no mortality or clinical signs of toxicity in rats exposed to a concentration of 3.74 mg/L. 1984 AR226-0206 Jv8w68EVx5jK5bpp55ezRLv0B 12
The document reports that a primary skin irritation test conducted on T-3608 in female albino rabbits at Riker Laboratories, Inc. found it to be non-irritating, with no signs of erythema or edema observed. 1984 AR226-0237 zoeoyr9VgbOdoN1D7gL96pwN6 10
The document reports that cholestyramine significantly enhances the fecal elimination of carbon-14 from ammonium [14C]perfluorooctanoate (PFOA) and potassium [14C]perfluorooctanesulfonate (PFOS) in rats, reducing liver concentrations of these compounds compared to control rats. 1984 AR226-0008 rxV2XvGnyeLyMddzYer1NVrGE 3
The document details a biodegradation test (OECD 301E) for a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample, FC-203 NFP, consists of 1.34% PFOS along with various other components, but notes that the data may not accurately reflect the biodegradability of the fluor 1984 AR226-0739 Qk7ByG6npMZV0BOgm2x3OvyKE 15
The document details an acute toxicity test on fathead minnows (Pimephales promelas) using a mixture containing 1% perfluorooctanesulfonate (PFOS) and various other components, indicating that the data may not accurately reflect the toxicity of the fluorochemical due to incomplete characterization of impurities. 1984 AR226-0839 6RaVOBNvvYZ8kQmpjM4M1ambm 7
The document reports on an activated sludge respiration inhibition test for a mixture containing 1% PFOS, conducted using a sample from 3M, which found no inhibitory effect on the respiration rate of activated sludge at tested concentrations. 1984 AR226-0840 pGgRknwDM9OvwDvLOM8q2ge6 6
The document reports the results of an acute ocular irritation test conducted on the substance T-3493, indicating it is minimally irritating to the eyes of female albino rabbits, with only minimal conjunctivitis observed. 1984 AR226-0306 1eV29wODX7GoJ8d7284rER0m 12
The document is a final report from SRI International detailing the results of in vitro microbiological mutagenicity assays conducted on 3M Company's Compound T-3609, which was found to be nonmutagenic and nonrecombinogenic. 1984 AR226-0310 NNkQ6QE10xQg36zdE1v6rO3z8 18
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 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 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 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 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
The document reports on an activated sludge respiration inhibition test for a mixture containing 4% PFOS, conducted by 3M, which found no inhibition of activated sludge respiration at a concentration of 1000 mg/L. 1982 AR226-0687 OzLQBM4ZzwodKgy5MgRd8m1we 4
The document summarizes a study conducted by the German Army on the environmental properties of foam extinguishing agents, specifically a mixture containing 1.34% PFOS, and reports various toxicity levels including EC50 values for Photobacterium phosphoreum, Scenedesmus subspicatus, Daphnia magna, and Brachydanio rerio. 1982 AR226-0733 La1wpN5ZBx6QV87JZEOBkwY3 26
The document summarizes a study conducted by the German Army on the environmental properties of foam extinguishing agents, specifically noting that the test sample FC-206 contains 0.67% PFOS and provides various toxicity results including EC50 values for Photobacterium phosphoreum, freshwater algae, and Daphnia magna. 1982 AR226-0792 Z8JadgGRMJrg8wDNxqenxm4Ep 26
The document reports on an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 1.0% PFOS, indicating no mortality during the 96-hour exposure period. 1982 AR226-0838 ppdxjvEGZgbEagwZLRyvLb2XB 12
The document summarizes biodegradation studies on a mixture containing perfluorooctanesulfonate (PFOS) from 3M, indicating that while the majority of the product components are readily biodegradable, no reliable conclusions can be drawn due to insufficient methodological details. 1982 AR226-0868 65b23RQkqD1jyB9V2Nqr2K8Z3 9
The document is an analytical report confirming that FM-3924, a perfluorinated compound, meets quality control specifications and is stable, based on various chemical analyses conducted for Riker's teratology study. 1982 AR226-0279 0gw393yZY0ZoxJR2bmR22g9bV 2
The document is an internal analytical report evaluating the chemical FM-3924, which was analyzed for a Riker teratology study, confirming its structure and providing detailed gas chromatography and elemental analysis results. 1982 AR226-0286 4JvZJN8Q3j9V2DQmmrobwJ1bj 2
The document reports on a biodegradation test of Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by 3M Company, indicating that while some biodegradation occurred in aerobic conditions, the specific contribution of the test substance to the observed chemical and biochemical oxygen demand values remains unclear due to the mixture's composition and lack of detailed methodology. 1982 AR226-0392 JJL1bGXGL5MZ4JJNwv6JqEV1e 7
The document is a letter from Dr. E. Marshall Jo to Dr. Franklin D. Griffith stating that FC143, a substance tested for developmental toxicity in pregnant rats and rabbits, poses no hazard to the conceptus, and therefore no further testing is necessary. 1982 AR226-0467 mb94OQ9L15qjRm982XZJgv7dk 1
The document is an internal correspondence summarizing health evaluations conducted in 1981 for 264 employees at Chemolite, with a focus on comparing testing data with blood fluorine levels as part of the fluorochemical program. 1982 AR226-0480 rB397Rq1Badxg2o6jZr4oJZZr 1
The document details a chronic toxicity study of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) on freshwater invertebrates (Daphnia magna), conducted by 3M, indicating that the test substance was a mixture with a purity of 96.5 - 100% and outlining the methodology and conditions of the study. 1982 AR226-0508 dQ78GXjN7j34041EjbBJQxMrq 25
The document is a letter from Dr. Franklin D. Griffith expressing gratitude for the cooperation received during a visit to 3M, where he reviewed raw data and specimens related to a study on fetal rat eyes, ultimately concluding that many previously reported abnormalities were actually normal findings, indicating issues with the original study's methodology. 1982 AR226-0530 wrxMyZjn5ZO9m2gKXg6ZGj64Q 2
The document reports on blood C-8 (PFOA) levels among employees at E. I. du Pont de Nemours & Company, indicating higher accumulation rates in Fine Powder Zone 4 Operators compared to FEP Zone 4 Operators, with a general downward trend observed in long-term employees, although further data is needed for statistical significance. 1982 AR226-1612 n9oL6kex21VJ4jXx54Ewjjrpm 5
The document discusses recommendations for periodic blood tests for employees potentially exposed to FC-143, indicating that "Teflon" operators have low blood levels and exposure, and suggests these tests be included in their routine physical examinations. 1982 AR226-1613 pBn9NwgXJqLY8wLo0GOpnxaXa 1
This document reports on the detection of organic fluoride levels in the blood of Experimental Station employees, linked to by-products from HFPO synthesis, and outlines a program to investigate health impacts and improve monitoring related to this exposure. 1982 AR226-1615 xG3VrjEpN7Mm8m6j71LNxq7b 1
The document outlines a plan by DuPont and 3M to reduce blood sampling for C-8 (perfluorooctanoic acid, PFOA) among employees, focusing on those with direct exposure, while continuing to monitor certain individuals to assess the elimination rate of C-8 from the blood. 1982 AR226-1616 BRRD3jRy0ZRVBvQbKmEOVE31E 1
The document outlines a procedure for analyzing blood serum for FC-143, a perfluorinated compound, detailing the extraction and conversion methods used to prepare samples for gas chromatography analysis. 1982 AR226-1614 nkNNRkN1a8gZjr7GG0z66mBwR 3
The document reports on trends in blood C-8 (PFOA) levels among TEFLON employees, indicating a significant average decrease of 23% for FEP Operators and 18% for Fine Powder and Granular Operators from October 1981 to June 1982, while new employees are accumulating C-8 at a lower rate than in previous years. 1982 AR226-1617 by75VenR65YdnBbL1Odda3kL0 9