CD 14 — AR226-1068a

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

Page 13 of 18 — 1,777 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document reports the analysis of 37 blood samples for perfluorooctanoate (PFOA) conducted by E. I. du Pont de Nemours and Company, detailing the concentrations found in each sample. 1981 AR226-1608 1gZmvgwNdvX9G4mYM3LQzDY3X 3
The document reports the analysis of blood samples for perfluorooctanoate (PFOA) conducted by E.I. du Pont de Nemours and Company, detailing the concentrations found in the samples and the methodology used for the gas chromatographic analysis. 1981 AR226-1609 0J8eVX467y95Vab4Koq05v13R 2
The document outlines an experimental program at E. I. Du Pont de Nemours and Company to analyze blood samples for FC-143 among employees in Teflon areas and to conduct product analyses for FC-143 in Teflon products, ensuring consistent laboratory procedures for reliable results. 1981 AR226-1648 JwxLxgrNmwrbw6LrnGBkenLe 2
The document reports the analysis of TEFLON felt samples for residual C-8 fluorosurfactant, revealing that the unbleached XT-7700 contained 3.5 ppm and the bleached XT-7800 contained 0.7 ppm of equivalent C-8 APFC, with findings consistent with typical levels found in other fluoropolymer products. 1981 AR226-1649 gDaMB2BdYgXEyyR6XaDVQzgqQ 4
The document reports on the analytical research conducted by E.I. du Pont de Nemours & Company regarding the removal of FC-143, a perfluorinated compound, from Teflon products, indicating that approximately 30-35% can be extracted through aqueous methods, with higher removal rates observed in SM-3 regenerated yarn compared to SM-2. 1981 AR226-1650 Z4b7V0zGmVmnpN6eQ29Xv3Dzp 6
This is a correspondence from the Spruance Research Laboratory discussing the shipment of heat-treated Teflon and Kevlar yarn samples for evaluation, including observations on denier changes and potential issues with the materials. 1981 AR226-1652 3k11BwKk8XexdavNXnE87Xpn 2
The document outlines efforts by P. P. Burks to eliminate or control FC-143, a fluorocarbon surfactant supplied by 3M Company, due to its reported embryotoxic effects, detailing successful thermal treatment methods that removed detectable levels of FC-143 from Teflon and Kevlar yarns, while further investigations into the causes of packing failures and alternative removal methods are ongoing. 1981 AR226-1653 MMjd6OJvyr0Kbm6wjkYG6QoO9 2
The document discusses a study by S. S. Shelburne on the thermal treatment of FC-143 in Teflon products, revealing that decarboxylation occurs at elevated temperatures, producing byproducts that require mass spectrometry for identification. 1981 AR226-1655 YDbVp2rjGqXxQyJv6dpdb9E10 4
The document discusses the status and interim processes for controlling FC-143 exposure, detailing the feasibility of ion exchange technology for removing approximately 90% of FC-143, a perfluorinated compound, from dispersion after polymerization, with a focus on commercialization and safety measures. 1981 AR226-1656 RaG4m33mkGxo4QozMn5L2y5Q8 13
The document reports on the analysis of FC-143 levels in Teflon products by E. I. du Pont de Nemours & Company, revealing that thermal treatment at temperatures of 175°C or higher can effectively remove FC-143 sodium salt, primarily through decarboxylation, although this method may negatively impact product performance. 1981 AR226-1657 a48g1a8yyrGNzVkdbXqo244RX 2
The document outlines a study conducted by E.I. DuPont de Nemours & Co. on monitoring the levels of FC-143 (ammonium perfluorooctanoate) in the Teflon process due to potential teratogenicity concerns raised by 3M, with objectives including measuring personnel exposure and developing accurate detection methods. 1981 AR226-1658 qmkXmGe5rVnEwnbaRoE9OGXwM 29
The document presents a compound-specific method for the quantitative characterization of organic fluorochemicals, including PFOA and PFOS, in biological matrices using negative ion electrospray tandem mass spectrometry, highlighting its application in analyzing human sera samples. 1980 AR226-0191 QX87Oo2xe4qkLGMaZjZnqaG36 22
The document reports on an oral teratology study of FC-95, a perfluorinated compound produced by 3M, which found that administration to pregnant rats resulted in teratogenic changes in the lens of the eye, particularly at a dose of 10 mg/kg/day, while lower doses did not show maternal toxicity or embryotoxic effects. 1980 AR226-0016 BRodwR71n6JyonO9d4jmjBQzk 33
The document details the synthesis and characterization of carbon-14 labeled N-Ethyl FOSE (2-N-ethylperfluorooctanesulfamido ethanol) conducted by 3M and Riker Laboratories, confirming its specific activity and high purity for use in metabolism studies. 1980 AR226-0268 QknnBXORdw2G7OzmGpDRD6jRo 20
The document details an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on eastern oyster larvae (Crassostrea virginica), noting that the test sample is FC-203 with 1.34% PFOS and various other components, and describes the methodology used for the toxicity assessment. 1980 AR226-0726 1gk2VBV6mrNEa550w0n8Y7Gma 12
The document details an experiment assessing the foaming effects of a mixture containing perfluorooctanesulfonate (PFOS) as part of the FC-203A formulation, conducted using a modified OECD screening test, although the results may not accurately reflect the fluorochemical component due to impurities. 1980 AR226-0738 aDa0vQYxZZqx52MLDoXzD1KJY 6
The document details an acute toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) using the fish species Fundulus heteroditus, following a specific protocol, with results indicating the need for caution due to the presence of impurities in the test sample. 1980 AR226-0743 V3Jp0dDemDyO3xMDR7vBVRZ0w 16
The document reports on a study evaluating the foaming effect of a mixture containing 0.67% PFOS and other components, indicating that the data does not accurately reflect the degradation potential of the fluorochemical component due to incompletely characterized concentrations of impurities. 1980 AR226-0779 eYroOO2wL3kevBD6qDyQ5m9m 3
The document details a biodegradation test (OECD 301E) conducted on a mixture containing 0.67% PFOS, produced by 3M, indicating that the data may not accurately reflect the toxicity of the fluorochemical component due to incomplete characterization of impurities. 1980 AR226-0778 Gm4NR6BQp9VRL2VvZR78Oq6Vx 34
The document describes an acute toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) using juvenile mummichogs (Fundulus heteroclitus), noting that the test sample was primarily composed of water and various chemicals, but the LC50 values could not be calculated due to incomplete characterization of the mixture's impurities. 1980 AR226-0804 v2pX5BNdKBap1YjvRG6KVv7R 14
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 1.0% perfluorooctanesulfonate (PFOS) from a 3M production lot, indicating potential toxicity levels based on the test conditions and methodology outlined. 1980 AR226-0837 4JR9a5e1z4NdD2xEw3pmvm6mN 17
The document reports on a biodegradation test (OECD 301D) for a mixture containing 0.58% PFOS, conducted by 3M, indicating that the data does not accurately reflect the degradation potential of the fluorochemical component due to incompletely characterized concentrations of impurities. 1980 AR226-0871 V359YKRKayyg2ZpnLbk1JoB3q 11
The document discusses a comparison of two N-EtFOSE alcohols, FM-3422 and FM-3924, used in teratology studies at Riker Laboratories, detailing their compositions and production methods. 1980 AR226-0277 MJqBL6M1yk23E3o6vgx8RJXmj 1
The document reports on an oral teratology study of FM-3422, revealing that it caused teratogenic effects such as developmental eye abnormalities, cleft palates, and skeletal malformations in rat fetuses when administered to pregnant Sprague-Dawley rats during organogenesis, while also noting maternal toxicity at higher doses. 1980 AR226-0280 0gn2YxMMxgk8XpV8p87R98NnM 26
The document compares two formulations of N-EtFOSE Alcohol (FM-3422 and FM-3924) used in teratology studies, detailing their composition and production methods. 1980 AR226-0281 zokG9mBdy5eb88ozEEQqyamqm 1
The document compares two formulations of N-EtFOSE alcohols (FM-3422 and FM-3924) used in teratology studies, detailing their chemical compositions and production methods. 1980 AR226-0284 4nbbbaJrr49Qg2BZyw1Zmj 1
This document reports on a biodegradation test conducted by 3M Company on a mixture containing perfluorooctanesulfonate (PFOS) and other components, revealing high Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) values, but lacking reliable conclusions due to insufficient characterization of the test substance and methodology. 1980 AR226-0924 YDDVYR8Yj4pQgQgw7ZQgeojvK 12
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on fathead minnows (Pimephales promelas), indicating that the test sample was a 1.356% solution of L-4647 with 6.6% PFOS and various other components, although the method and specific toxicity results are not provided 1980 AR226-0925 Z6vb9yjDOqNNy9qxR7QQRwjY 6
The document reports on an acute toxicity test of Perfluorodecanesulfonate (PFDS) on the aquatic invertebrate Daphnia magna, conducted by 3M in 1988, using a mixture containing approximately 22-26% PFDS, with results indicating the test conditions and monitoring parameters. 1980 AR226-0389 09K16r8QBvO2MyQY660g6X0b 18
The document reports on a study conducted by Riker Laboratories, a subsidiary of 3M, which found that after a single oral dose of the perfluorinated compound FC-143 (mean dose of 11.0 mg/kg) to male rats, at least 93% of the total carbon-14 was absorbed within 24 hours, with a plasma elimination half-life of 4. 1980 AR226-0455 31pZanDV235KOo0r6VX1owpO 15
The document is an update on a retrospective cohort mortality study conducted by University of Minnesota epidemiologists on employees at the 3M Chemolite Plant, which found no statistically significant differences in mortality rates, including prostate cancer deaths, among workers exposed to perfluorinated compounds. 1980 AR226-0471 0eRQOYagR2z95Beop9GonR2J 28
The document details a biodegradation study of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt) conducted by 3M Company, indicating unreliable results due to insufficient characterization of the test substance and method, with no reliable conclusions drawn from the study. 1980 AR226-0492 Lb68mepYZxdpjGw6Rn99ryrz 9
The document reports on a study conducted by 3M Company evaluating the acute toxicity of ammonium perfluorooctanoate (PFOA ammonium salt) on activated sludge respiration, finding no acute inhibitory effect at a concentration of 1000 mg/L after 7 minutes of contact time. 1980 AR226-0505 5LBZ9RRXxwQ4QLdZxLNbN5nb8 4
The document reports that SRI International conducted in vitro microbiological mutagenicity assays on 3M Company compounds T-2540 CoC and T-2541 CoC, finding that neither compound exhibited mutagenic or recombinogenic activity in any of the tested assays. 1979 AR226-0208 NrvVgkm5bNZR7rO4L0pqr7gy 23
A 28-day percutaneous absorption study of FC-129, a perfluorinated compound, conducted on albino rabbits at Riker Laboratories, Inc. revealed significant mortality and adverse behavioral reactions, indicating potential toxicity, although definitive conclusions on dermal absorption could not be established due to limited serum analysis. 1979 AR226-0224 zgBLjaG9e9qkL1royd2Rq25n 15
The document reports on a 28-day dermal absorption study of FC-128, a perfluorinated compound, conducted on albino rabbits at Riker Laboratories, which found evidence of dermal absorption but lacked sufficient data for definitive conclusions. 1979 AR226-0223 YbBKqQq6vbODQNGdGwJMRojK 16
The document outlines a ninety-day subacute toxicity study of the compound FM-3422, produced by 3M Company, involving rhesus monkeys and detailing methods, observations, and results related to clinical and pathological assessments. 1979 AR226-0256 2qnRrYMKBk2Q3dz69r7K4dK06 35
This document reports on pharmacokinetic studies of [14C]PFOS conducted on male Charles River CD rats, revealing that at least 95% of an oral dose was absorbed within 24 hours, with significant excretion observed in urine and feces over 89 days, and no evidence of metabolic conversion of PFOS was found. 1979 AR226-0004 wq7kpXkeg3enM2NkZz4vMj8mE 2
The document details the synthesis and characterization of carbon-14 labeled FC-95-14c, a sulfonic acid salt produced by 3M's Commercial Chemicals Division, which was found to be at least 99% radiochemically pure and suitable for metabolism studies. 1979 AR226-0005 vVk43qRVeG7eLraear28eqrgw 18
This document reports on a study conducted by Riker Laboratories in 1979 examining the excretion and tissue distribution of carbon-14 labeled FC-95, a perfluorinated sulfonic acid, in male rats following intravenous administration, revealing significant urinary and fecal excretion rates and tissue concentrations. 1979 AR226-0006 6B2Y0ZJggmzojox9RKXqde26R 19
The document reports on a study conducted by Riker Laboratories, Inc. on the absorption and elimination of FC-95 (a potassium salt of a perfluorinated sulfonic acid) in male rats, finding that at least 95% of a single oral dose is absorbed within 24 hours and has a plasma elimination half-life of 7.5 days. 1979 AR226-0007 QXKpJw96VN7kaqOMV4YME98D6 18
The document is an analytical report from Centre Analytical Laboratories detailing the characterization of surface water samples collected in Decatur, Alabama, specifically analyzing for perfluorinated compounds including PFOS, PFOSA, and POAA, as requested by 3M Environmental Laboratory. 1979 AR226-0672 KJ7Zkn75vLxNpJGO2NQprvLRN 7
This document reports on a biodegradation study of Perfluorooctanesulfonate (PFOS) DEA salt conducted by 3M Company, indicating that while the non-fluorinated moiety (2,2'-iminobis[ethanol]) is likely to biodegrade in aerobic conditions, the potential for biodegradation of the fluorochemical moiety remains uncertain. 1979 AR226-0059 1g33JqpYL9k32GbpBjrRz5vRd 11
This document is an analytical report from Centre Analytical Laboratories detailing the fluorochemical characterization of drinking water samples from Decatur, Alabama, specifically analyzing for perfluorooctane sulfonate (PFOS), perfluorooctane sulfonamide (PFOSA), and perfluorooctanoate (POAA) using liquid chromatography/tandem mass spectrometry (LC/MS/MS). 1979 AR226-0068 qd0Z064MBRvawe6kwMLeBYa6M 8
The document reports on an activated sludge respiration inhibition test conducted by 3M Company on perfluorooctanesulfonate (PFOS DEA salt), indicating that the test material showed no inhibitory effect at a concentration of 1000 mg/L over a 7-minute exposure. 1979 AR226-0116 omjpgZgmz699OzzwRmJZ7K2j8 4
The document is a 90-day subacute toxicity study on the fluorochemical surfactant FC-95 produced by 3M Company, conducted on rhesus monkeys to assess its effects on health. 1979 AR226-0138 nNNmBRE04Zm8191aZ8q2GN8za 24
The document details an acute toxicity test conducted on mummichogs (Fundulus heteroditus) using a mixture containing 1.34% perfluorooctanesulfonate (PFOS) to assess its effects, following a standard marine bioassay procedure. 1979 AR226-0724 ym77p0NQdKG2eDEqYwnQ32aK4 15
This document details an acute toxicity test conducted on the Eastern Oyster (Crassostrea virginica) using a test substance identified as PFOA, following standard practices for static acute toxicity tests, with results indicating specific toxicity levels. 1979 AR226-0725 KGpYpovJ2NDz7JGX2jVbZKk1o 12
The document reports on a 28-day percutaneous absorption study of FC-95 conducted on albino rabbits at Riker Laboratories, which found no mortalities but noted hyperactivity and body weight loss in one male rabbit, with preliminary serum analysis indicating dermal absorption potential of FC-95. 1979 AR226-0155 qmMDV0komvQN5p12GQ1ma8LwK 16
The document reports on a 28-day percutaneous absorption study of FC-99 conducted on albino rabbits at Riker Laboratories, Inc., indicating dermal absorption potential but lacking conclusive results due to limited serum analysis. 1979 AR226-0156 v6DKbo366zODeNjEVXQ3kE7eR 16
The report discusses the assessment of mitochondrial bioenergetics in rats treated with dietary FC10, highlighting the confounding effects of pentobarbital on pyruvate oxidation, which hindered the establishment of a dose-response correlation, and suggests alternative methods for analyzing metabolic dysfunction in exposed animals. 1979 AR226-0168 aJND548jdb2qXravmX78V2z6Y 7
The document reports on an acute toxicity test of a mixture containing 0.92% PFOS (perfluorooctanesulfonate) conducted on fathead minnows (Pimephales promelas) to assess the effects of the substance, with details on the test conditions and methodology. 1979 AR226-0796 vyp1GGY9n7OJRJGr933RoVDeq 10
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 0.92% PFOS, revealing the test conditions and methodology but noting that data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities. 1979 AR226-0797 29G3Gqde2k7XaaN80JNwE7 7
The document reports on an acute toxicity test of a mixture containing 0.92% PFOS, conducted on Daphnia magna, indicating the test conditions and parameters used, although it notes that the data may not accurately reflect the toxicity of the fluorochemical component due to incomplete characterization of impurities. 1979 AR226-0798 Jr8ekaVYDdZz38BkNjgk0Ea9e 6
The document details a microbial inhibition test on a mixture containing 0.92% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized concentrations of impurities. 1979 AR226-0799 npLXv909Mm8YLwjopaMo12e2X 7
The document reports on an activated sludge respiration inhibition test conducted on a mixture containing 0.92% PFOS, produced by 3M, which found no acute inhibitory effects on activated sludge respiration at a concentration of 1000 mg/L. 1979 AR226-0800 byDx7d69ReVrXRrm7dXopmzJ0 5
The document details an acute toxicity test conducted on the fish species Fundulus heteroclitus using a mixture containing 0.58% perfluorooctanesulfonate (PFOS) and other components, following a standard marine bioassay procedure to determine the LC50 values over a 96-hour exposure period. 1979 AR226-0873 zQmdaRnZw0jJYNyrzXK54w6Ym 15
This document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company in 1979, noting high biochemical oxygen demand (BOD) values but lacking detailed methodology and sample characterization. 1979 AR226-0875 dQ6peOGOXO4KYe6xb591J3LJQ 9
The document reports on an activated sludge respiration inhibition test for a mixture containing 1.0% PFOS, indicating no acute inhibitory effect on activated sludge respiration at a concentration of 1000 mg/L after 7 minutes of contact time. 1979 AR226-0877 5DM475e5XX1Qo0K0J2mvyGQre 4
The document reports on an acute oral toxicity study of T-2574COC, a perfluorinated compound, conducted by Riker Laboratories, which determined an approximate LD50 between 5,000 and 1,000 mg/kg in albino rats, with significant behavioral reactions and mortality observed at the higher dosage. 1979 AR226-0294 QJLJRQG0Y8Xq85Dy0e4gpgw0R 11
The document details a modified OECD 301E biodegradation test conducted on a mixture containing 0.67% perfluorooctanesulfonate (PFOS) produced by 3M in Antwerp, Belgium, indicating that the data may not accurately reflect the biodegradation potential of the fluoro-chemical component due to incompletely characterized concentrations of impurities. 1979 AR226-0889 ypjzJpJ0qdqgXBzB29ekJr464 34
The document reports on a two-week oral rangefinding toxicity study of T-2509CoC in rats, conducted by Riker Laboratories and sponsored by the EPA, which aimed to determine the acute oral ALD50 and assess the effects of the compound on various tissues. 1979 AR226-0959 wgyZErj0EQBXXXgmv30dMjoq4 30
The document details an environmental sampling study conducted by 3M in 1979 to analyze bioaccumulation of N-Ethylperfluorooctanesulfonamide (EtFOSA) in fish from the Tennessee River near a 3M fluorochemical manufacturing facility, noting the lack of standardized sampling procedures. 1979 AR226-0343 1QRXOYrjox60omNy5kv3nL6KZ 36
The document reports on a 1979 study by 3M Company investigating the photodegradation of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE alcohol) in soil, concluding that no reliable results could be derived due to inadequate methodology and uncharacterized purity of the test substance. 1979 AR226-0362 6BLJJzyObZZGdQGGpe3XjeRX4 12
The document contains comments by Professor Stephen A. Boyd on the 3M Technical Report regarding the analytical methodology for FM 3422, highlighting concerns about the octanol-water partition coefficient and its implications for predicting the solubility of the compound in water. 1979 AR226-0366 G6Dqxxyqo7JJV9M83OkMkD82r 3
This document details a 1979 bioaccumulation study of N-methylperfluorooctane sulfonamidoethanol (N-MeFOSE alcohol) in fish samples collected from the Tennessee River, noting the lack of standardized sampling procedures and the specific methods used for tissue analysis. 1979 AR226-0371 EvR047V3VDrKZzq3d1vwGBk5j 36
The document reports on the analysis of serum samples from a Bio/Dynamics inhalation study of FC-143, focusing on the levels of organic and inorganic fluoride in male and female rats. 1979 AR226-0418 EvgQDDqV2bwvqB260jnE88Qx4 2
The document reports on a 28-day percutaneous absorption study of T-2618CoC, a perfluorinated compound, conducted on albino rabbits at Riker Laboratories, which found no significant adverse effects but indicated dermal absorption potential, although conclusive results were limited due to the small sample size. 1979 AR226-0446 37DpVww7JVMLExNJpvBBGq1DE 16
The document details a bioaccumulation study of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol) in fish samples collected from the Tennessee River, conducted by 3M in 1979, although it lacks specific guidelines for sampling procedures and information on the fish's capture locations. 1979 AR226-0971 aJMJRG53OXBzwmXaRp3w8rqyX 37
The document reports on a bioconcentration study of N-methylperfluorooctane sulfonamidoethanol (N-MeFOSE alcohol), revealing its n-octanol/water distribution coefficients to be 52,900 and 60,600 for two test concentrations, indicating significant hydrophobicity. 1979 AR226-0972 XR0koQ3yGvYmpNLXre7xkVq3x 8
The document details the synthesis and characterization of carbon-14 labeled FC-143, conducted by Riker Laboratories, Inc. for metabolism studies, reporting a specific activity of 0.507 ± 0.012 pCi/mg and a radiochemical purity of at least 98%. 1979 AR226-0456 da7xpw2GEYJ2N1z9VeEMYwm65 17
The document reports on a study conducted by S. J. Gibson and J. D. Johnson in 1979, which found significant sex differences in the excretion rates of the perfluorinated compound FC-143 (ammonium salt of a perfluorinated carboxylic acid) in male and female rats, with females excreting nearly all of the dose via urine within 1979 AR226-0457 JvyOdew2XBGzKjG9dkJ59YyEe 20
The document is a report from the International Research and Development Corporation detailing a ninety-day subacute rat toxicity study on the compound FM-3422, sponsored by 3M Company, which likely involves perfluorinated compounds such as PFOA or PFOS. 1978 AR226-0255 VJZg2MDrarKMjd80rDj7307zK 53
The document details a 1978 study conducted by 3M to assess the bioaccumulation of perfluorooctanesulfonate (PFOS) in bluegill sunfish exposed to effluent from their Decatur, AL plant, finding PFOS present in the effluent-exposed fish while no fluorochemicals were detected in the control group exposed to river water. 1978 AR226-0061 kmn36Kna1BrVyZO97XkggwEwB 9
This document summarizes various ecotoxicity tests conducted by Wildlife International, Ltd. on PFOS, including acute toxicity tests with different aquatic species and life-cycle studies, aimed at assessing the environmental impact of PFOS. 1978 AR226-0081 DG4dYE3bB20Jm2xvEmzRNVxGa 3
This document summarizes a 1981 toxicity study conducted by 3M Company on perfluorooctanesulfonate (PFOS) using the aquatic plant species Selenastrum capricomutum, reporting nominal EC50 values but noting issues with sample purity and statistical reliability. 1978 AR226-0106 BXX3wezNVgzddm5ry7G2K7Gw 18
This research report submitted to 3M Company investigates the effects of continuous aqueous exposure to 14C-78.02 on the hatchability, growth, and survival of fathead minnow (Pimephales promelas) eggs and fry, finding that survival was the most sensitive indicator of toxicity with an estimated MTC value between >1.0 mg/L and <1.9 mg/L 1978 AR226-0108 Jr1dRdO6qvEkjv03X8gyMQnVK 29
The document reports that 3M Company compounds T-2247 CoC and T-2248 CoC were tested for mutagenic activity using the Ames Salmonella/microsome assay and found to be non-mutagenic and non-recombinogenic in all assays conducted. 1978 AR226-0134 VYDjdX8Ve663N2b5azvkNENq 22
The report details an in vitro study conducted by SRI International on three 3M Company compounds (T-2136 CoC, T-2138 IM, and T-2140 IM) to assess their mutagenic activity using the Ames test with Salmonella typhimurium and Saccharomyces cerevisiae, concluding that none of the compounds exhibited mutagenic properties. 1978 AR226-0683 xjMaDMKdbmqYnV730oedmmDvy 17
The document is a report on a ninety-day subacute rat toxicity study of the fluorochemical surfactant FC-95, sponsored by 3M Company and conducted by the International Research and Development Corporation. 1978 AR226-0139 Eq9kXLKBOEz5a6K28qLkbmR7n 55
The document details an acute toxicity test conducted on bluegill sunfish (Lepomis macrochirus) using a mixture containing 0.67% PFOS, produced by 3M, to evaluate its effects over a 24-hour exposure period. 1978 AR226-0791 5LDgKvvxqkmLYan2On0eQnvOz 3
The document reports on a biodegradation test of a mixture containing 0.92% perfluorooctanesulfonate (PFOS) conducted by 3M Company, revealing high levels of Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD), but lacking adequate characterization and reliability. 1978 AR226-0794 6wEmnOoM99pzkJVz8BEYDa95d 4
The document reports on an acute oral toxicity study of Fluorad Fluorochemical Surfactant FC-95, produced by 3M Company, which determined the LD50 values in male and female rats to be 233 mg/kg and 271 mg/kg, respectively. 1978 AR226-0955 QX8e6JEYaXBEyNMKroeKamMDo 11
The document details a bioconcentration study of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE alcohol) using channel catfish to determine its aquatic bioconcentration factor, following a 3M derived method, although specific details on fish size, loading, and water chemistry are not provided. 1978 AR226-0352 yaJpb0GKNB5x9mqKX3N0OyaE 7
The document reports on a 1978 study by 3M Company that analyzed the bioaccumulation of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE alcohol) in bluegill sunfish exposed to effluent from their Decatur, AL plant, finding 7 ppm of the substance in the exposed fish while no fluorochemicals were 1978 AR226-0354 0gR3DEMnm876mYNV48oGGQ3Xx 10
The document reports on a study conducted by E G & G, Bionomics Aquatic Toxicology Laboratory for 3M Company, which found that continuous aqueous exposure to the substance 78.01 did not adversely affect hatchability, survival, growth, or weight of fathead minnow (Pimephales promelas) eggs and fry. 1978 AR226-0358 RjMEaz1qJKDKXJkMNa82X2oRB 16
This document reports on histopathological examinations of fathead minnows (Pimephales promelas) exposed to the substance 78.01, as part of a study submitted to 3M Company, to assess the effects of this compound on the fish following a prior egg and fry test. 1978 AR226-0359 MMd30qOxGvnmg6VxErBkOEVBx 7
The document reports on a photodegradation study of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol), indicating that no photodegradation occurred after 31 days in a water/methanol/acetonitrile solution. 1978 AR226-0363 LZ23bN4wKb9X1zJqze3mxKab 20
The document reports on a 1978 study by 3M Company investigating the bioaccumulation of perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) in bluegill sunfish exposed to effluent from their Decatur, AL plant, finding no detectable levels of the substance in the fish. 1978 AR226-0403 NemajaQzO7azdDmMoq8v4k8MR 9
The document is a final report on the mutagenicity evaluation of T-2015 CoC, submitted to 3M Company, which concluded that T-2015 CoC did not demonstrate genetic activity in the Ames Salmonella/Microsome assay and was considered not mutagenic under the test conditions. 1978 AR226-0429 Rjm9nXkLMr7MEEK6yZrw6V4vB 11
This interoffice correspondence discusses the results of a rat toxicity study on FC-143, revealing that male rats accumulate significantly higher levels of FC-143 in serum compared to female rats, prompting a recommendation for further study. 1978 AR226-0442 bOB6BxgL5LvdQ4bGDMRZEDqo 2
The document discusses the results of a rat toxicity study on FC-143, indicating that male rats accumulate approximately 100 times more FC-143 in their livers compared to female rats, with specific liver concentration measurements provided. 1978 AR226-0443 JJOkVmpRZJrq53dV6701Gr7RK 1
The document is a report on a ninety-day subacute rat toxicity study of the fluorochemical FC-143, sponsored by 3M Company, detailing clinical methods, results, and pathological studies related to the compound's effects. 1978 AR226-0441 mbpe1oDY0yOpRXoLZ3m27krwd 51
The document reports on a ninety-day subacute toxicity study of Fluorad Fluorochemical FC-143, sponsored by 3M Company, which found that rhesus monkeys administered the highest dosage of 100 mg/kg/day experienced mortality within weeks 2 to 5, while those at 30 mg/kg/day also showed significant adverse effects. 1978 AR226-0447 Eq6QMopOx16aLG8GbrZV2G89V 41
The document details a series of physician reports from 3M's medical surveillance program conducted between 1978 and 1991 at the Cottage Grove facility, where PFOA products were manufactured, indicating that no abnormalities related to fluorochemical exposure were found in employees despite the presence of organic fluorine in serum samples. 1978 AR226-0478 gEDOYB5Eq6GyRwde4w1K9w4Mq 1
This document details a soil adsorption study of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted in 1978, using 14C-labeled test substances to evaluate their interaction with Brill sandy loam soil, although the purity of the test sample was not fully characterized. 1978 AR226-0488 O3QNBOvRybQOR7wpgv4kqwwmK 19
The document reports on a biodegradation study of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted by 3M, which found no biodegradation over a 2.5-month period using activated sludge as inoculum. 1978 AR226-0489 pmz90yw3yn44zy1K4KekanOJB 19
The document reports on a photodegradation test of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), indicating that no photodegradation was detected after 30 days of exposure to simulated sunlight. 1978 AR226-0490 kB6RkXQdMj8L9jbxDZ7z1RyD 15
The document details a 1978 study by 3M Company investigating the bioaccumulation of perfluorooctanoic acid (PFOA ammonium salt) in bluegill sunfish exposed to effluent from their Decatur, AL plant, finding no detectable amounts of PFOA in the fish samples. 1978 AR226-0491 BRdjqKEOyojwjnYEzbxRjZKgm 16
The document summarizes various ecotoxicity studies conducted by 3M Environmental Laboratory on the acute and chronic toxicity of PFOA (specifically FC-143) to different aquatic organisms, including fathead minnows and bluegill sunfish, along with assessments of bioaccumulation and other related tests. 1978 AR226-0497 2Ryav49D99axXDLoOdakd4QOb 6