CD 2 — AR226-0356-0645

EPA administrative record segment: CD-2--AR226-0356-0645 (285 documents).

Page 3 of 3 — 285 documents
Title / Summary Year AR226 Docket Hash ID Pages
This research report submitted to 3M Company evaluates the effects of continuous aqueous exposure to a substance identified as 78.01 on the hatchability of fathead minnow (Pimephales promelas) eggs and the growth and survival of fry, finding no adverse effects at the tested concentrations. 1978 AR226-0358 BR5r9EvknEnEJ90bk2oJ27zgo 16
This report details histopathological examinations of fathead minnows (Pimephales promelas) exposed to the chemical 78.01 for 30 days, conducted by E G & G, Bionomics Aquatic Toxicology Laboratory, for 3M Company, to assess potential sub-lethal effects following an earlier egg and fry test. 1978 AR226-0359 1Qpz7kpJZ8ER3VBgvXMreQk95 7
The document reports that N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol) showed no photodegradation after 31 days in a simulated sunlight test, indicating stability in the tested aqueous solution. 1978 AR226-0363 byBgj130XKQ82Xm86ayvmR0XD 20
The document reports on a 1978 study by 3M Company examining 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 bOyvyx60bv4p769nyb0bMoMz6 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 and was considered not mutagenic under the tested conditions. 1978 AR226-0429 mb0oL8Mowkrp5ONKnmBvaq1O 11
This interoffice correspondence discusses the findings 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 oDgBao3212gjbN63r9aErazBr 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 for both genders. 1978 AR226-0443 6b39yL74Jej3K0ymRVkG2o3Gg 1
The document outlines a ninety-day subacute toxicity study of the fluorochemical FC-143, sponsored by 3M Company, conducted by the International Research and Development Corporation, detailing methods, observations, and results related to the compound's effects on rats. 1978 AR226-0441 M4B0pyB8Kj7yzraB7N5690Rr9 51
The document reports on a ninety-day subacute toxicity study of the fluorochemical Fluorad FC-143, sponsored by 3M Company, which found that all rhesus monkeys receiving the highest dosage of 100 mg/kg/day died within the first five weeks, and three out of four monkeys at the 30 mg/kg/day dosage also died during the study. 1978 AR226-0447 qkRy5qaXmgMRGazZjrMO8rGrx 41
The document summarizes a series of physician reports from 3M regarding a medical surveillance program conducted from 1978 to 1991 at the Cottage Grove manufacturing facility, where PFOA products were produced, indicating that no abnormalities related to fluorochemical exposure were found in the employees tested. 1978 AR226-0478 3QG2ea2ZZv8avXmbvLVbBkVRD 1
This document details a soil adsorption study of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) using 14C-labeled samples, conducted in 1978, to evaluate its adsorption and desorption characteristics in Brill sandy loam soil. 1978 AR226-0488 4w7wY4MwG8p9OyG4r8Vwe1Xx 19
The document reports on a biodegradation study of perfluorooctanoic acid ammonium salt (PFOA) conducted by 3M, which found no biodegradation after 2.5 months in a shake culture test using activated sludge. 1978 AR226-0489 654QvnwOvx7rje1V6M6B8OM3E 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 Vm411ZRDJD92oRq7nGO1GQEp 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 analyzed. 1978 AR226-0491 v6oyv80XNDzqLvdo7G5kd2QZ9 16
The document summarizes various technical reports from 3M Environmental Lab regarding the ecotoxicity and bioaccumulative properties of PFOA and its associated salts, including multiple studies on the acute toxicity to fish and aquatic organisms such as fathead minnows and bluegill sunfish. 1978 AR226-0497 zzB7ONG19ZK58gpbLEOMaGXx7 6
The document reports that a static acute toxicity test conducted by 3M Company on perfluorooctanoic acid, ammonium salt (PFOA ammonium salt) found that the 96-hour LC50 for bluegill sunfish was greater than 420 mg/L, indicating low acute toxicity at the highest concentration tested. 1978 AR226-0499 k9noGbrRgjXd2y23O83J04eLD 3
The document reports on an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on bluegill sunfish, revealing a 96-hour LC50 value of 569 mg/L. 1978 AR226-0500 MMa4q6Lb10gxb7D1KD5eMd5QV 3
This document reports on histopathological examinations of fathead minnows (Pimephales promelas) exposed to the substance 78.03, assessing the effects of this compound on the fish following a prior egg and fry test conducted for 3M Company. 1978 AR226-0503 5DRMrmybMpvdeKJqzbXbYXDQD 8
This research report submitted to 3M Company examines the effects of continuous aqueous exposure to a substance referred to as 78.03 on the hatchability of fathead minnow (Pimephales promelas) eggs and the growth and survival of fry, finding no significant impact on these parameters at the tested concentrations. 1978 AR226-0502 oDrnVLao7oMBbrgdQv1dELLEw 19
The document reports on a hydrolysis test conducted by 3M Company, which found that N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol) partially degrades to perfluorooctane sulfonate (PFOS) under alkaline conditions, achieving a 92% degradation after 24 hours at 50°C. 1977 AR226-0364 2NYwmzawoGXVkgY6XMm18N97 4
The document details a biodegradation study of perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by 3M Company, indicating that no reliable conclusions can be derived due to insufficient data on dissolved oxygen depletion. 1977 AR226-0399 em3mEY010M7979moanMD5Ln1E 4
The document reports on an acute toxicity test of perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA, FC-128) conducted on the fish species Pimephales promelas, revealing a 96-hour LC50 value of 100 mg/L. 1977 AR226-0402 Kz7Nn2ZmVGrkkjrXvmgZnvVV0 6
This document reports on a 28-day oral toxicity study of FC-143, a perfluorinated compound obtained from 3M Company, which found that rats fed 10,000 ppm or more experienced mortality, while body weight gains were significantly reduced in those fed 1,000 ppm or more. 1977 AR226-0445 gnLMEjN2GdbQoKDwj81m268J 20
The document is a summary of a biodegradation study on perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted by 3M Company in 1977, which concluded that no reliable conclusions could be derived due to the lack of original study procedures and raw data. 1977 AR226-0487 31rj7175ovXVMdR3D24ev94n 3
The document details a biodegradation study of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol), indicating that initial tests showed minimal oxygen uptake and no detectable degradation products, likely due to the substance's coagulation preventing enzyme action. 1976 AR226-0356 yp1NdXzv5g0xGkG0YBEbeLze6 67
The document reports on a biodegradation study of N-methylperfluorooctane sulfonamidoethanol (N-MeFOSE alcohol), indicating that it is unlikely to degrade in non-acclimated aerobic biological treatment systems due to insufficient oxygen depletion during BOD testing, despite high COD values. 1976 AR226-0368 1grqwqGX4qdqNbJZ1qL6VronZ 12
The document details a soil adsorption study of N-methylperfluorooctane sulfonamidoethanol (N-MeFOSE Alcohol) conducted in 1979, using specific methods to assess its adsorption and desorption characteristics in Brill sandy loam soil. 1976 AR226-0370 v1ZMKn3EozqO08nX7RrMGDxzq 17
The document reports on a biodegradation test of perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA or FC-128), indicating that approximately 70% of the theoretical maximum oxygen uptake occurred within a 7-hour period, suggesting potential biodegradability under the tested conditions. 1976 AR226-0398 mqLVzzmqnBQL03aqmqM2J7owb 39
The document reports on an acute oral toxicity study conducted by Biosearch, Inc. for 3M Company, which found that the acute oral LD50 of the tested material (3M Company - T-1565) in rats is less than 1,000 mg/kg, with observed signs of toxicity including gastric mucosa erosion and writhing. 1976 AR226-0425 gazO03yKQRn3KnZdNpGnoJBO3 2
The document reports on a primary eye irritation study conducted by 3M Company using a test material (T-1585) on rabbits to evaluate the degree of irritation caused by the substance when instilled into their eyes, as part of compliance with the Federal Hazardous Substances Labeling Act. 1976 AR226-0426 BRrN0Oa3ENaoqvmY0EnZnRakk 3
The document reports on a water solubility test for N-methylperfluorooctane sulfonamidoethanol (N-MeFOSE Alcohol) from a 3M lot, indicating a solubility of 0.82 mg/L and concluding that the substance is relatively insoluble in water, though the study's reliability is questioned due to inadequate characterization and testing conditions. 1975 AR226-0367 oDa3VY9nn9VmVMk7eqzbpNGyX 12
The document reports on an acute toxicity study of N-methylperfluorooctane sulfonamidoethanol (FC-3925) on bluegill sunfish, indicating that the highest concentration tested did not induce 50% mortality, and that the substance precipitated out of solution over the test period. 1975 AR226-0372 rpjXGGBBGX3YeLM7ym1YRodv0 4
The document reports on two studies assessing the acute toxicity of N-methylperfluorooctane sulfonamidoethanol (CAS # 24448-09-7) to the aquatic invertebrate Daphnia magna, with findings indicating varying levels of mortality at different concentrations tested. 1975 AR226-0373 8V1RDG2zjg3wKo8ZOjXVq6L6d 13
The document reports on a primary skin irritation study conducted by Biosearch, Inc. for 3M Company on a material (likely related to PFOA or PFOS) to determine its irritation potential on the skin of albino rabbits, using the Draize method for scoring results. 1975 AR226-0421 reZNG887eVm2OD4gJnVbnRmZG 4
The document is a report from Biosearch, Inc. to 3M Company detailing a Primary Eye Irritation Study conducted on a test material (3M Company - T-1395), which concluded that the material is not an ocular irritant and does not require cautionary labeling under the Federal Hazardous Substances Labeling Act. 1975 AR226-0422 ZnZDmmd7ZLMGz9XRn7BLqED90 4
The document reports on a Primary Eye Irritation Study conducted by 3M Company on a test material (T-T 395) to assess its irritative effects when instilled into the eyes of albino rabbits, concluding that the material's irritative potential is detailed in the accompanying results table. 1975 AR226-0423 peDBmBEDk69bVDz9beeLX0wza 3
The document reports on an acute toxicity test of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted on the fish species Pimephales promelas, revealing a 96-hour LC50 value of 766 mg/L. 1975 AR226-0504 E33Np7Lz1JQ54Y1ayDYDNj4b 7
The document reports that the 96-hour LC50 for the acute toxicity of the perfluorinated compound Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) to fathead minnows (Pimephales promelas) was determined to be 30 mg/L, based on testing conducted by 3M Company. 1974 AR226-0400 9JNoLd7kYMjGgoGn11L94r9Q5 4
The document reports that the 96-hour LC50 for the acute toxicity of perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) to fathead minnows (Pimephales promelas) is determined to be 34 mg/L, based on a study conducted by 3M Company in 1974. 1974 AR226-0401 JJ77yoLrMy5L4pnXNJGK0JyNv 4
The document reports on a bioaccumulation study of the perfluorinated compound 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate (B1228) conducted by 3M Company, indicating that the substance is not bioaccumulative in Cyprinus carpio under the test conditions, although concerns about the purity and identity of the 1974 AR226-0415 71a8NaQ0K3LeroQNrBmYZ5k0a 97
The document reports a 1974 acute toxicity test conducted by 3M on perfluorooctanoic acid (PFOA) using fathead minnows (Pimephales promelas), which found a 96-hour LC50 value of 440 mg/L. 1974 AR226-0498 MJXgy92wrZxQynwD04rj1LGNM 3
The document details a chronic toxicity study of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE Alcohol) on fathead minnow (Pimephales promelas) eggs, conducted by the EPA in 1978, following specific bioassay procedures to monitor survival and hatching rates. 1972 AR226-0357 66RZNw6Y4yOJNX56ENp6XN1o 6
The document details a chronic toxicity study of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted on fathead minnows (Pimephales promelas) by the U.S. EPA in 1978, focusing on the effects of the substance on fish eggs and fry over a 30-day exposure period. 1972 AR226-0501 gDmbyZBYNpQBB9KMg8wbzK63J 6
The document is a letter from 3M's Dr. William Weppner to EPA's Charles M. Auer, outlining the agenda for a meeting on December 14, 1998, to discuss the TSCA 8(e) filing regarding the presence of perfluorooctane sulfonate (PFOS) in blood samples from the general population. 1958 AR226-0622 NGNJa0Mvdb6pBq085nZYVp6qy 1
The document reports on a retrospective cohort mortality study of employees at the Chemolite Plant in Cottage Grove, Minnesota, conducted by Schuman and Mandel, which found no significant mortality findings related to perfluorooctanoic acid (PFOA) among the 3,688 workers studied. 1947 AR226-0470 85xGDjrE63bjXM5jq6oEwr1Ek 16
The document reports that cholestyramine treatment significantly enhanced the elimination of carbon-14 labeled FC-95 and FC-143 in male rats, with notable reductions in liver, plasma, and red blood cell concentrations and increased fecal excretion compared to control groups. 1930 AR226-0459 5D24KMdnBNJx2rEQ0LoLLw7V 29
The document reports the results of an acute toxicity test conducted by 3M Company on the perfluorinated compound Perfluorooctanesulfonylamido(ethyl)acetate (FC-109-X), finding a 96-hour LC50 value of 57 mg/L for fathead minnows (Pimephales promelas) and a no observed effect level of less than 1923 AR226-0396 aJKanqZvLzEnk59YLVREQ03rb 22
The document reports on an acute toxicity study of Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by 3M Company, finding a 48-hour LC50 of 1.5 mg/L and a NOEL of 1.0 mg/L for the aquatic invertebrate Daphnia magna. 1923 AR226-0397 x1G0onkBQMg0jROy03qwnyz76 32
The document reports on a biodegradation test of Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by 3M, indicating that while some biodegradation occurred in aerobic conditions, the results are inconclusive due to the test sample being a mixture and lacking detailed methodology. 1904 AR226-0404 3w8gvRj5rmqpXbJXkMeqvqdx 14
The document reports on a biodegradation study of Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by 3M, indicating a 90% mean DOC removal after 28 days, but concludes that no reliable conclusions can be drawn due to inaccuracies in the total organic carbon measurement and lack of characterization of the test substance. 1904 AR226-0405 Qkr28b8zYYJow4v4XL3xZmNbo 15
The document reports on an acute toxicity test of a mixture referred to as FC-129 (R1904) on fathead minnows, indicating that the observed effect concentration was 54 mg/L. 1904 AR226-0406 bkNvkg4G984Y4gbLoweaGa83 18
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted on the aquatic plant Selenastrum capricornutum, revealing various EC50 values for cell count and average specific growth rate at different concentrations. 1904 AR226-0407 Y6y2NMyKQM174w7dnogXEMbV 11
The document reports that the 3-hour EC50 for activated sludge respiration inhibition of the perfluorinated compound Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) in a mixture from 3M was determined to be greater than 1000 mg/L, indicating no inhibition was observed. 1904 AR226-0408 k6Kk6Ry9mNzoBpgXy5OdOkDkB 8
The document reports the results of a Microtox toxicity test on a mixture containing Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA), produced by 3M, indicating a 30-minute EC50 value of 274 mg/L for the test organism Vibrio fischeri. 1904 AR226-0409 bB4bEBmp3ovE90yXL126QQdr1 13
The document is a technical report summary from 3M detailing the analytical methodology and support for the fate of fluorochemicals, specifically focusing on sorption-desorption studies of radiolabeled compounds FC-95, FC-143, and FM 3422 in soil. AR226-0360 72wBb3jJdqDG9n3eodmXRaLe 3
This document reports on a study conducted by 3M Company to estimate the log Pow (octanol-water partition coefficient) for the perfluorinated compound MeFOSEA, using HPLC methods in accordance with OECD guidelines, with a reliability ranking of 2. AR226-0381 wkag7JO1EQQGa2xqa7rOb66 17
This is a final report from Resource Analysts, Incorporated detailing the acute toxicity of FC-120 to the fathead minnow (Pimephales promelas), conducted for 3M Company over a 96-hour period in February 1992. AR226-0383 G5ax57xaRaKk7LMkJRNoxrLbn 16
The document reports on an acute oral toxicity study of the fluorochemical FC-143, produced by 3M Company, which determined the LD50 values in male and female rats to be 680 mg/kg and 430 mg/kg, respectively. AR226-0419 b5d96dqngpDXnzLo08azN0xYg 13
The document reports on a 28-day oral toxicity study of FC-143, a perfluorinated compound from 3M Company, which found that mice fed concentrations of 1,000 ppm or more experienced high mortality rates and adverse health effects, including reduced body weight and muscular weakness. AR226-0444 v63RYNMrbOy3oOxQyZ0XE6dMY 17
This document reports on a two-year oral toxicity and carcinogenicity study of the fluorochemical FC-143 conducted by Riker Laboratories, Inc. for 3M Company, detailing various macroscopic and microscopic observations in rats, including findings of vascular mineralization and hepatocyte alterations. AR226-0438 xdQ9d7E9VNV4ED0oRbeQZwYmE 312
This document appears to be a report discussing blood levels of RF/RF in selected employees, likely related to a study conducted by 3M, although the text is largely unreadable due to OCR errors. AR226-0479 2qnXV09azzY2nXOrq3M1V3X4g 2
The document provides a summary of various laboratory studies conducted by 3M Environmental Lab on the environmental fate, biodegradation, and solubility of PFOA and its associated salts, including FC-143 and FX-1001, along with critiques from external experts. AR226-0486 zKXMNQEyRQKXOzMm889ngbRz 11
The document reports on an acute toxicity test of perfluorooctanoic acid (PFOA ammonium salt) on Daphnia magna, finding an EC50 value of 126 mg/L based on nominal concentrations. AR226-0507 zoyZLdkXbmqjKRNGKKkpyM710 13
The document summarizes various ecotoxicity tests conducted by 3M on PFOA and its associated salts (FC-143) between 1977 and 1979, detailing findings on acute toxicity to aquatic organisms such as fathead minnows and daphnia, as well as other environmental characteristics. AR226-0528 gEYOm37o77ddzvkV8j0y8E9DL 13
The document reports on a study conducted by 3M Chemicals on the metabolism of N-Ethyl Perfluorooctane Sulfonamido Ethanol (Net-Fose; T-6316) in Cynomolgus monkeys following a single capsule dose, completed by Covance Laboratories. AR226-0532 g2XRejja3YZdrgoYvvrN02m4e 79
The document details a toxicity study on perfluorooctylsulfonate (PFOS) conducted on the aquatic plant species Selenastrum capricornutum, using a test sample from 3M, with results based on growth rate and cell count over a 96-hour exposure period. AR226-0536 1gp19gxG86jr437db63OvkqDo 13
The document details a toxicity study of perfluorooctylsulfonate (PFOS) conducted on the algae species Selenastrum capricornutum, using a test sample from 3M, to evaluate its effects on aquatic plants under OECD guidelines. AR226-0537 QX2mRQO5BM6Normo4booGRn6k 14
This document outlines a study protocol by Argus Research Laboratories, sponsored by 3M Toxicology Services, to assess the reproductive toxicity of PFOS in rats, focusing on various stages of reproduction and potential effects on offspring development. AR226-0561 82aV6vJ98g69xY94ZE2o6O7nd 68
The document is an amendment to a laboratory report from 3M Environmental Laboratory regarding the analysis of potassium perfluorooctanesulfonate (PFOS) in the serum and liver of Sprague-Dawley rats, correcting inaccuracies related to the purity value of the analytical reference substance PFOS Lot 193 and noting that further chemical characterization is needed. AR226-0562 9rMD3Mp9znQxbzzOexyOJNN5 4
The document summarizes a biopersistence screening study conducted by DuPont on potassium perfluoroalkyl sulfonate (PFOS) in male rats, detailing the exposure periods, treatment frequency, and methods used to assess the substance's effects on blood and liver, with a focus on total fluorine content analysis. AR226-0574 Qp71K8yLOeO9wJRrz0zyG3vL 53
The document provides information on the chemical identification and production process of Perfluorooctane sulfonamide (CAS Number 754-91-6) by 3M Company, detailing their use of the Simons Electro-Chemical Fluorination process to synthesize organofluorine molecules. AR226-0577 4aGjnkkoRn8KbJr7dr8263a51 14
The document provides information about N-ethylperfluorooctylsulfonamido ethyl acrylate (EtFOSEA), a chemical produced by 3M Company using the Simons Electro-Chemical Fluorination process, detailing its synthesis and distribution. AR226-0584 ByN2QRq9b1r7yOQ63nD15XNdE 19
This is a TSCA NCIC Notification Form indicating that the referenced document is claimed as confidential business information under Section 14 of the Toxic Substances Control Act. AR226-0589 GKEmYvN71pDVZoJ8bnX2LDGwx 1
This is a proposed agenda for a meeting organized by the American Chemistry Council regarding EPA's invitation to discuss concerns about PFOS and related compounds, scheduled for June 19, 2000. AR226-0591 xj6R52w2rzrpKEaJKy8R0oXVG 3
Unreadable document. AR226-0592 Yrqxw10886KrgvynMdONe1kzO 1
E. I. du Pont de Nemours and Company provides a voluntary Use and Exposure Information Profile for Ammonium Perfluorooctanoate (APFO), detailing its use as a reaction aid in the production of polytetrafluoroethylene (PTFE) at their Washington Works facility, along with the management of APFO waste and emissions. AR226-0599 NepBGEq3n5aZdvxOj7nonQrQD 11
This is a TSCA NCIC Notification Form indicating that the referenced document is claimed as confidential business information under Section 14 of the Toxic Substances Control Act. AR226-0601 O1R6jrqzZBBgqorOdV1kVX0je 1
Unreadable document. AR226-0603 RYV1J60oDdDKDLd35j9Q6Eok 1
Unreadable document. AR226-0607 OJE6LvEj0KJ11bzQmn0zQoKXQ 1
This is a TSCA NCIC Notification Form indicating that the referenced document is claimed as confidential business information under the Toxic Substances Control Act. AR226-0608 rep2bxp5N34bro5NEMVE2JqwV 1
Unreadable document. AR226-0613 5kjJLEb2w8XnjgaNmzQNMorne 1
The document outlines 3M's Environmental Program objectives and plans for assessing the environmental fate and effects of fluorochemicals, specifically focusing on PFOA and PFOS, including strategies for minimizing their release and characterizing associated risks. AR226-0627 qoxmwq2KVV7y8k1dQ6rjgM4x 19
Unreadable document. AR226-0638 OzBYw6Bbkeg0KgqQLzEEJvo8v 1
This interim report from 3M Company discusses the determination of serum half-lives for PFOS and PFOA in retired fluorochemical production employees, indicating that the serum half-life of PFOS may be significantly lower than previously estimated, while PFOA's half-life appears to be approximately one year. AR226-0645 daLMvZM6jDQXDVvd467ey6KY9 10
The document is a final report on a 13-week dietary toxicity study of N-Methyl Perfluorooctanesulfonamido Ethanol (N-MeFOSE, T-6314) conducted by Covance Laboratories for 3M, detailing the study's methodology and findings. AR226-0615 g268xzn2OJ63Jbz95xJNO1gDq 561