CD 14 — AR226-1068a

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

Page 10 of 18 — 1,777 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document describes a manometric respirometry test conducted to evaluate the anaerobic biodegradability of a mixture containing 6% PFOS, produced by 3M, using anaerobic sludge from a sewage treatment plant, with results indicating that the data may not accurately reflect the biodegradability of the fluorochemical component due to incomplete characterization of impurities. 1993 AR226-0900 z2aD2z6d1v9YVL5LKQk9KMQg 13
The document is a report from 3M evaluating the bioconcentration potential of FM 3422 in channel catfish, noting issues with solubility measurements and the methodology used in the experiments. 1993 AR226-0970 5kLGDoZaZzzL2QqgBOyeyY26J 27
This document is a final report on a 13-week dietary toxicity study of Ammonium Perfluorooctanoate (CAS No. 3825-26-1) conducted on male rats by Hazleton Wisconsin, Inc. for the sponsor 3M, ensuring compliance with EPA Good Laboratory Practice Standards. 1993 AR226-0449 e5rg8b9e6wXyR6oKoZ6N7RKrg 239
The document is a final report of a 13-week dietary toxicity study on Ammonium Perfluorooctanoate (T-5180, CAS No. 3825-26-1) conducted by Hazleton Laboratories for 3M, detailing various organ weight data and pathology results in male rats. 1993 AR226-0450 10E154zeOykg4EmnLMGq6aMpa 428
This document discusses a mortality study of employees at a 3M plant producing perfluorooctanoic acid (PFOA), indicating a cautious association between employment in the chemical division and increased prostate cancer mortality, while noting limitations in the study's data and the plan for further research to refine exposure assessments. 1993 AR226-0472 RpaYjNger57oGoMxpOq60zKJa 7
The document details an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on juvenile fish (Pimephales promelas) using a test sample identified as FC-1015, with findings indicating that the toxicity data may not accurately reflect the test substance due to impurities in the sample. 1993 AR226-0525 kmGpYB9wMND7G7QM00gEgawOb 22
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on fathead minnows (Pimephales promelas) using OECD Guideline 203, indicating that the test sample, FC-201 F, consists of 3.0% PFOS among other components. 1992 AR226-0702 mqVz07oQxqMOE0L0dpMVw7Jz4 10
The document details an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on Daphnia magna, indicating that the test sample FC-201 F consists of 3.0% PFOS among other components, and outlines the methodology and conditions of the experiment conducted in 1992. 1992 AR226-0704 J3md5r6wE1NKVbzLg87GB1poO 10
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 3.0% PFOS, produced by 3M, to assess its effects under specific conditions outlined in OECD Guideline 203. 1992 AR226-0703 65qm1yKXabRgjGYYrQneq2evE 7
The document reports on a biodegradation study of a mixture containing perfluorooctanesulfonate (PFOS) conducted by Pace Inc. for 3M Company, revealing high Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (CBOD) values, but lacking reliable conclusions due to insufficient characterization of the test sample and methodology. 1992 AR226-0707 aB0GwkM352kzk1QyGbOwv8Lmy 4
The document details a Microbios Microtox toxicity test conducted on a mixture containing 3% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample's toxicity may not accurately reflect the fluorochemical component due to incompletely characterized impurities. 1992 AR226-0708 65j5G7JxbYLDpLYdZy6qqR8do 12
The document details an activated sludge respiration inhibition test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample is composed of 3% PFOS along with various other components, and outlines the methodology and conditions of the test. 1992 AR226-0709 Rao0ZK4wbwQOND3Nr9d0jaeyn 5
The document describes an activated sludge respiration inhibition test conducted on a mixture containing 1% PFOS, produced by 3M, to assess its impact on the respiration rate of activated sludge, with findings indicating potential inaccuracies in toxicity due to impurities in the test sample. 1992 AR226-0764 99gOBJxNgkLarK1OLa8Zjr4n5 10
The document details an activated sludge respiration inhibition test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample is FC206CF-X, which comprises 0.5% PFOS among other components, and outlines the methodology and conditions of the test. 1992 AR226-0824 Y0x4EznrawmL0DeK6r2DK0V8 10
The document is a preliminary screening study report by DuPont on the accelerated biodegradation of 8-2 Telomer B Alcohol, conducted under OECD guidelines, completed on March 20, 2003. 1992 AR226-1264 9JmjzMDnMwMMnGDLpjjx96oa7 45
This document details an acute toxicity test of perfluorodecanesulfonate (PFDS) on the aquatic invertebrate Daphnia magna, conducted by 3M in 1992, which involved a mixture of the test substance with butyl cellosolve and water, but did not monitor the actual concentration of PFDS during the test. 1992 AR226-0384 YDgB4G5V5zQzKGbnxXYDYXypK 17
The document reports on an activated sludge respiration inhibition test for perfluorodecanesulfonate (PFDS), indicating that it exhibited a 17.3% inhibitory effect on respiration at a concentration of 1000 mg/L after a 3-hour exposure. 1992 AR226-0385 EZqY85bvzwj09zoEYkRxgmaR 9
The document reports on a Microtox toxicity test conducted by 3M Company on perfluorodecanesulfonate (PFDS), revealing a 30-minute EC50 value of 327 mg/L for the test organism Photobacterium phosphoreum, while noting the limitations of the study due to the testing of a mixture rather than the pure substance. 1992 AR226-0386 G6z5kLXbyOmqobVEwmXeR5jvY 12
The document details a study conducted by DuPont on the acute oral toxicity of Telomer B Alcohol, adhering to OECD guidelines and U.S. EPA standards, with the study completed on September 17, 2001. 1992 AR226-1196 JrkBbYQDeaQQLnkEJ2YG8VvbK 27
The study investigates the hypolipemic effects of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOSA) in male Wistar rats, finding that both compounds significantly reduce serum cholesterol and triacylglycerols while altering lipid metabolism mechanisms in the liver. 1992 AR226-0557 M4GxooRak1DkX13OKRvZNVmpV 8
The document contains results of water sample analyses from three new Lubeck Service Division wells, indicating the presence and concentrations of various perfluorinated compounds, including perfluorononanoic acid and perfluorodecanoic acid, as analyzed by DuPont. 1992 AR226-1413 BRxvgJ9DQgYNN1QK0dY8gLJej 4
The document is a report by E.I. du Pont de Nemours and Company detailing the results of a study on the ready biodegradation of 8-2 Telomer B Alcohol, conducted under the OECD 301D Closed Bottle Test guidelines, completed on March 20, 2003. 1992 AR226-1263 1QBrJ2wXwpnJzgR337KrnmKwX 28
The document discusses cancer incidence surveillance data from Du Pont's Washington Works facility, highlighting a statistically significant excess of 'other lymphoma' among male employees and noting other cancer trends, including a significant increase in cancers of the buccal cavity and pharynx, as well as kidney and urinary cancers, from 1956 to 1989. 1992 AR226-1547 r6Ee1ew10aVb8n1ybzGv6YXzq 2
The document provides updates on mortality and cancer incidence surveillance for employees at Washington Works, indicating that a 1992 update to a 1989 epidemiology report shows significant deficits in overall deaths and specific cancer categories among male employees, with no mortality excesses reported. 1992 AR226-1548 3erwx2pnjLgeYzaBNd2ry009D 2
The document summarizes various studies and reports related to the characterization and toxicity of PFOS, including a robust summary from EnviroSystems of Resource Analysts, Inc. and multiple fluorochemical characterization analyses from different cities. 1991 AR226-0062 B8bdqkYyYNDe2q8bmzBpY3bdX 3
The document reports on a toxicity test of Perfluorooctanesulfonate (PFOS) using the Microbics Microtox method, indicating that the test sample with 28% PFOS showed a 30-minute EC50 value greater than 1000 mg/L for the organism Photobacterium phosphoreum. 1991 AR226-0117 LKqnjZL1M8pgqoqVGaV1J21m7 7
The document details an acute toxicity test of Perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, conducted using OECD 202 guidelines, with a focus on determining the EC50 values based on a test sample containing approximately 24-28% PFOS. 1991 AR226-0118 qkBY0RX05Rj3EN9m8jopmD2n 4
The document details a toxicity test of Perfluorooctanesulfonate (PFOS) on the aquatic plant species Selenastrum capricomutum, conducted using a static acute method to assess its effects over a 96-hour exposure period. 1991 AR226-0121 mYyJ3n9JRbDGwO0DdXBzb7MB 4
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that while the mixture shows high chemical oxygen demand (COD) and biochemical oxygen demand (BOD) values, no reliable conclusions can be drawn regarding the degradation potential of PFOS due to the presence of other components and insufficient characterization of the inoc 1991 AR226-0714 zda6Y8wnrXNjy4VNOVre9wdvm 5
The document details a Microtox toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) and other components, noting that the test sample's composition includes 1.34% PFOS and various solvents, with results indicating the need for caution due to the incompletely characterized concentrations of impurities. 1991 AR226-0728 J38G8bX4RMw1vMD7mX0kXqJw6 7
This document details a toxicity test of a mixture containing 1.34% PFOS, conducted on the aquatic plant species Selenastrum capricornutum, following OECD guidelines, to assess its effects over a 96-hour exposure period. 1991 AR226-0727 VJXp7LO0372a3YVo0XE9mMdk8 18
This document details an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, indicating that the test sample, FC-203, consists of 1.34% PFOS among other components, and outlines the methodology and conditions under which the test was conducted. 1991 AR226-0729 aKyLgjOv0NpkDq40ovJ3OZob 20
The document summarizes a 1991 study on the environmental effects of a mixture containing perfluorooctanesulfonate (PFOS) and other components, reporting various biodegradability and aquatic toxicity results, including EC50 values for different aquatic organisms. 1991 AR226-0734 8VnZq2vBv5gMKbDNN7vRdDkZm 35
The document summarizes a 1991 study by 3M Company on the environmental effects of a mixture containing perfluorooctanesulfonate (PFOS) and other components, reporting an EC50 value of 165 mg/L for Daphnia magna, with noted limitations in data reliability. 1991 AR226-0735 0JGpyrE2L1E0VodbL5agB4w2b 34
This document details an acute toxicity test of a mixture containing 1.84% perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, conducted using OECD Method 202, with findings potentially affected by impurities in the test sample. 1991 AR226-0756 Dv2DGegJEZ2213rZx5rZVknZd 17
The document details a toxicity test conducted on a mixture containing 1.84% PFOS, using the species Selenastrum capricornutum, to assess its effects on aquatic plants under specific laboratory conditions. 1991 AR226-0757 gamJ3n2LQa3QXymJbGnxNE5bN 18
This document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by Pace, Incorporated for 3M Company, revealing a Chemical Oxygen Demand (COD) of 750 mg/kg and a 20-day Biochemical Oxygen Demand (CBOD) of 720 mg/kg, but notes that the data does not accurately reflect the degradation potential 1991 AR226-0759 6KrqVBYK8rVoG8EpVZ60NNo 4
This document summarizes a 1991 study on the environmental effects of a mixture containing perfluorooctanesulfonate (PFOS) and other components, indicating high biodegradability and low aquatic toxicity across various organisms, with specific concentration values provided for each test. 1991 AR226-0758 zd3pNxgbdva4LE0Qzno0YJL2B 35
This document reports on an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 1% perfluorooctanesulfonate (PFOS) and other components, following OECD Guideline 203, with no calculations performed on the results. 1991 AR226-0760 pmYJMRGmQR44X796d5Kg1aXwX 17
The document details an acute toxicity test conducted on Daphnia magna using a mixture containing 1% PFOS, produced by 3M, to evaluate its effects under specific laboratory conditions. 1991 AR226-0761 g04NQR8xVbwp5wg6xnq4V99Q 17
The document details a Microbios Microtox toxicity test conducted on a mixture containing 1% PFOS, revealing that the test sample's composition may affect the accuracy of toxicity data for the fluorochemical component. 1991 AR226-0762 7MZJbV250VqykbmjNK18eJ0ga 8
The document details a toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) to assess its effects on the aquatic plant species Selenastrum capricomutum, using OECD Guideline 201 methods. 1991 AR226-0763 kOvRprbbKVyk41a5RjeMa1dV 18
The document details an acute toxicity test conducted on Daphnia magna using a mixture containing 0.92% PFOS, indicating that survival was greater than 50% at all test concentrations, although the purity of the test sample was not sufficiently characterized. 1991 AR226-0816 1g2DLw45mappZw6Kgb7j3NJLK 17
The document details a toxicity test on a mixture containing perfluorooctanesulfonate (PFOS) conducted in 1991, using the algal species Selenastrum capricomutum, although the purity of the test sample was not sufficiently characterized. 1991 AR226-0817 qmz7wpzrnJJq0O5z5YwRm1OdR 18
The document summarizes a 1991 study on the environmental effects of a mixture containing perfluorooctanesulfonate (PFOS) and other components, revealing high biodegradability and various aquatic toxicity thresholds, with data sourced from studies commissioned by 3M. 1991 AR226-0818 yY7NKzm112ZwEppG8GOoKGYn 35
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company, indicating that the chemical oxygen demand (COD) and biochemical oxygen demand (BOD) values were measured, but the study lacks proper characterization of the sample purity and fluorochemical proportion. 1991 AR226-0819 ym24ze9gjnj6KeQpEoE5a7XR2 4
The document details an acute toxicity test of a PFOS-containing mixture (FC206CF) conducted on fathead minnows (Pimephales promelas) following OECD Guideline 203, with the test revealing that the mixture contains 0.5% PFOS among other components, although the toxicity data may not accurately reflect the fluorochemical's effects due to impurities. 1991 AR226-0820 OE57ewQvYZwwV1g7KmGJ9nxLK 17
The document details an acute toxicity test of a PFOS-containing mixture (FC206CF) on Daphnia magna, conducted under OECD guidelines, indicating potential toxicity but noting that data may not accurately reflect the fluorochemical component's toxicity due to impurities. 1991 AR226-0821 qa6vKjrG1zKbVareMv1Ov48ZE 17
The document reports on a Microbios Microtox toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) from a 3M production lot, indicating that the EC50 value for the test substance was greater than 100 mg/L, suggesting low toxicity at the tested concentrations. 1991 AR226-0822 XRBQ87nv73Y2bbGxEjpEQg8jJ 6
The document details a toxicity study of a PFOS-containing mixture (FC206CF) on the aquatic plant species Selenastrum capricornutum, conducted under OECD Guideline 201, indicating that the test sample's composition includes 0.5% PFOS among other components, although the data may not accurately reflect the toxicity of the fluorochemical due to impurities. 1991 AR226-0823 ExjVXV7ZrezL1RyE6y4rMOQNx 18
This is a letter from the EPA's Assistant Administrator for Enforcement and Compliance Assurance outlining updates to the TSCA Section 8(e) Compliance Audit Program, including changes to reporting requirements and the ratification of a Revised Addendum to the CAP Agreement. 1991 AR226-1333 5qr8jK8ge5QRjdJpBarnajgJ 5
The document reports on a biodegradation study of perfluorodecanesulfonate (PFDS) conducted by 3M, indicating that while the non-fluorinated component butyl cellosolve is likely to biodegrade in aerobic environments, the potential for biodegradation of the fluorinated moiety remains uncertain. 1991 AR226-0382 YGwbL2ZdYo1J9m7wgj9zzoXvE 8
The document discusses exhaust gas composition and volumetric exhaust rates from a coating tower operated by Du Pont in Fairfield, CT, during a test involving Teflon(R) dispersions, highlighting specific temperatures and providing information to assist compliance with State of Delaware requirements. 1991 AR226-1660 2qZD1dzQzRZXQVy3QNDo7Zy57 5
The document outlines a study protocol for a static acute toxicity test of the test substance FM 3820, sponsored by 3M Company, to determine the median effective concentrations (EC50s) affecting the daphnid species Daphnia magna over a 48-hour exposure period. 1990 AR226-0120 BvQQeO11MjkBXQQZ1RD5Xra3X 61
The document details an activated sludge respiration inhibition test conducted on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test was performed to assess the toxicity of this fluorochemical component using activated sludge from a wastewater treatment plant. 1990 AR226-0755 5LkkayEB4ZDmjYd323R2jx1rV 11
The document details an activated sludge respiration inhibition test conducted on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample's toxicity may not accurately reflect the fluoro-chemical component due to incompletely characterized impurities. 1990 AR226-0754 K9L7Y73E8JM0QDEBDOZQy070 10
The document describes an activated sludge respiration inhibition test conducted on a mixture containing 0.92% PFOS (perfluorooctanesulfonate) produced by 3M, indicating that the test was performed to assess the toxicity of the substance on activated sludge organisms. 1990 AR226-0814 O3NRXK4M7JL4oedxdaqO2KrQw 10
The document describes an Activated Sludge Respiration Inhibition Test conducted on a mixture containing 0.92% PFOS, produced by 3M, to assess its impact on the respiration rate of activated sludge, using OECD 209 methodology. 1990 AR226-0815 MJGXoVp0BxM8wEmJOXRwdGVQy 11
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating high chemical oxygen demand (COD) and biochemical oxygen demand (BOD) values, but notes that the data does not accurately reflect the degradation potential of the fluorochemical component due to incomplete characterization of the sample. 1990 AR226-0878 v1xXmGy6BZq9kL364q4Jxdm3E 6
The document details a Microbios Microtox toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample is FC-787 with a PFOS concentration of 0.73%, although the toxicity data may not accurately reflect the fluorochemical component due to impurities. 1990 AR226-0879 wgrO6KpMxG7kyXQdeBxngVEn3 7
The document reports on an acute toxicity test of a mixture containing 0.73% perfluorooctanesulfonate (PFOS) conducted on Daphnia magna, following OECD Guideline 202, to assess its effects on aquatic invertebrates. 1990 AR226-0880 kq1pBDxzYVZ09ay0911JqjpB 19
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 0.73% perfluorooctanesulfonate (PFOS) and other components, following OECD Method 203 and U.S. EPA Method EG-9, to assess the toxicity of the fluorochemical component. 1990 AR226-0881 dQdp0q58o0GVGEL5KV1v31oRG 20
The document details an acute toxicity test conducted on rainbow trout (Oncorhynchus mykiss) using a mixture containing 5% perfluorooctanesulfonate (PFOS) and other components, indicating that the test was performed to assess the toxicity of this PFOS-containing mixture under specific conditions. 1990 AR226-0904 N2rOpQreYm87VKxXB5jdR94pR 10
The document is a correspondence from E.I. du Pont de Nemours and Company to the EPA regarding a permit submission that includes a Verification Investigation Work Plan and acknowledges detectable levels of ammonium perfluorooctanoate (PFOA) in the Lubeck public supply wells. 1990 AR226-1332 LJn1kQy0an5mD8m3dRwzJ7O1b 2
The document details the results of health examinations conducted on 426 individuals, including blood fluoride tests, as part of a surveillance program related to exposure to fluoro-chemicals, specifically in the context of 3M's operations. 1990 AR226-0485 NeB7pMkj6DNY97DOD5OxKB4j8 4
This doctoral thesis by Dr. Frank Gilliland analyzes the health effects of perfluorooctanoate (PFOA) in employees at the Chemolite manufacturing plant, finding no significant hepatic toxicity associated with PFOA levels, but noting associations with male reproductive hormones and thyroid function. 1990 AR226-0473 bBGaL4G8DQMRvZo3MX9909oGk 294
The document reports on an activated sludge respiration inhibition test for perfluorooctanoic acid ammonium salt (PFOA ammonium salt) produced by 3M, indicating that the 30-minute and 3-hour EC50 values were greater than 1,000 mg/L, suggesting low toxicity at the tested concentrations. 1990 AR226-0514 XOynbKmBOqmKDbd2QQx5nxmoG 7
The document reports on a Microtox toxicity test for perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), indicating that the EC50 values for Photobacterium phosphoreum were greater than 1,000 mg/L at 5, 15, and 30 minutes, suggesting low toxicity at the tested concentrations. 1990 AR226-0515 VgqjB2y1a072R02pLY4akybp 6
This document details an acute toxicity test of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted on juvenile Pimephales promelas fish using a test sample (FX-1003) with unspecified purity and composition, following OECD 203 guidelines. 1990 AR226-0516 5DpZrRY0ran5Ym3Lyd8oZB5V4 25
The document reports on an acute toxicity test of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted on Daphnia magna, indicating that the test sample was a mixture with unspecified concentrations of impurities and was evaluated under OECD guidelines. 1990 AR226-0517 ymXn64eR3901eOKbJO5v9Bvj6 25
The document reports on the analysis of fumes from the curing operation in the manufacture of Teflon-coated articles, conducted by Battelle Europe for Du Pont, revealing significant variations in particulate emissions and the presence of hydrogen fluoride and hydrolysable fluorocompounds. 1990 AR226-1659 wgZy99kY17rMJgdRZ0qemmVbD 45
This document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company, revealing significant chemical oxygen demand (COD) and biochemical oxygen demand (BOD) values, but noting concerns about the characterization of the test substance and inoculum. 1989 AR226-0747 ykkGB89qJw7kNBmmZaEZJ3Y06 6
The document details a ready biodegradability test (OECD 301E) conducted on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the biodegradability of the fluoro-chemical component due to incompletely characterized concentrations of impurities. 1989 AR226-0748 a46zVNMgpDyg0zG6pdNdE3ENY 29
The document reports on an acute toxicity test of a mixture containing 1.84% perfluorooctanesulfonate (PFOS) on Daphnia magna, conducted using OECD Method 202 and U.S. EPA Method EG-1, with findings indicating potential toxicity but noting that data may not accurately reflect the toxicity of the fluorochemical component due to impurities. 1989 AR226-0749 LpKeqDQ9jZ2x4kM0k5Q3kok2b 3
The document details an acute toxicity test conducted on a mixture containing 1.84% PFOS, using juvenile Pimephales promelas, to assess the effects of the substance on fish over a 96-hour exposure period, following OECD Method 203 and U.S. EPA Method EG-9. 1989 AR226-0750 ZJ92XoZZ2LQY9Vo75yaYqK1v7 3
The document details a toxicity test conducted on a mixture containing 1.84% PFOS, produced by 3M, using the OECD 201 and ISO/DIS 8692 methods to assess its impact on the aquatic plant species Selenastrum capricomutum over a 96-hour exposure period. 1989 AR226-0751 re0X8EMEKeMVjnmoRVz6g9NzV 10
The document describes an Activated Sludge Respiration Inhibition Test conducted on a mixture containing 1.84% 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. 1989 AR226-0752 7MB1yZmgyqOqb2kdN4ywYDp7E 9
The document details a Microtox toxicity test conducted on a mixture containing 1.84% 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. 1989 AR226-0753 zzNMBmrk9Qemjn63wNYVaXzY7 6
The document details a biodegradation test (OECD 301E) conducted on a mixture containing 0.92% PFOS, produced by 3M, indicating that the data may not accurately reflect the biodegradability of the fluorochemical component due to incompletely characterized concentrations of impurities. 1989 AR226-0807 JvK59QwXaD066rpp5N110pBqv 29
The document details an acute toxicity study of a mixture containing 0.92% perfluorooctanesulfonate (PFOS) conducted on Daphnia magna using OECD Method 202 and U.S. EPA Method EG-1, with findings indicating incomplete characterization of impurities that may affect toxicity assessment. 1989 AR226-0808 g2mM2N5B2rooZBBvKkR90m74q 3
The document reports on an acute toxicity test of a mixture containing 0.92% PFOS conducted on Daphnia magna, using OECD Method 202 and U.S. EPA Method EG-1, with results indicating the need for caution due to the presence of impurities in the test sample. 1989 AR226-0809 nNQkGgBv2w7R1eMq4L8RR0N4m 3
This document details an acute toxicity study of a mixture containing 0.92% PFOS, conducted using juvenile Pimephales promelas, following OECD Method 203 and U.S. EPA Method EG-9, with the test revealing potential toxicity concerns related to the fluorochemical component. 1989 AR226-0810 6BbpNKmdo1N1nodQmrLdR8yQo 3
The document details a toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample's purity was not fully characterized and may not accurately reflect the toxicity of the PFOS component. 1989 AR226-0811 XY1vBqb1B0dLRXdveeOR2DV4 10
The document details a Microbics Microtox toxicity test conducted on a mixture containing 0.92% PFOS, produced by 3M, indicating that the data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities. 1989 AR226-0812 jgp9RBbMGBbY0Ev0mdap4zzBp 6
The document details an activated sludge respiration inhibition test conducted on a mixture containing 0.92% PFOS, produced by 3M, to assess its toxicity using OECD 209 methodology, with results indicating potential inaccuracies due to impurities in the test sample. 1989 AR226-0813 DN4Jo64RbDzVeq0N6vJZBgGN 9
The document discusses an investigation into the occurrence of leukemia among employees at the Washington Works site of E.I. DuPont de Nemours and Company, noting a statistically significant standardized incidence ratio of 2.1, which has prompted the initiation of a case control study to explore potential associations with chemical exposures. 1989 AR226-1308 N2ZpgE84OdpEnqpoZ4gX8gVww 11
The document is a final report from Hazleton Laboratories detailing an acute oral toxicity study conducted on rats using a test material identified as sample T-4102, as part of a project for Minnesota Mining & Manufacturing. 1988 AR226-0229 V3BXaz13dGBVr4w9wvVVZG63w 18
The document details an acute toxicity test conducted in 1988 on a mixture containing 1.34% PFOS, assessing its effects on juvenile Salmo gairdneri fish using a flow-through method, with specific conditions and parameters outlined for the study. 1988 AR226-0775 xjOEvkjpqnEMwaNB3zxXVNx56 15
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by Pace Laboratories for 3M Company, detailing the chemical composition and providing Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) results, but noting limitations in sample characterization and lack of conclusions. 1988 AR226-0841 nkzjgN6xGnaN9qKe4rNKV4gxa 4
The document details a Microtox toxicity test conducted on a mixture containing 1% PFOS and various other components, using Photobacterium phosphoreum to assess acute toxicity, with results indicating that data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities. 1988 AR226-0842 K8N0zz5eXMxMZz16r8zJ555o 4
This document reports on an acute toxicity test of a mixture containing 1% perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, conducted using OECD Method 202, with results indicating potential toxicity that may not accurately reflect the fluorochemical component due to impurities. 1988 AR226-0843 kVgO8zYbjj3xp7NJ1kXZOqan 5
The document details an acute toxicity test of a PFOS-containing mixture on fathead minnows (Pimephales promelas) using OECD Method 203, indicating that the test sample comprised 1% PFOS among other components, but did not yield calculated LC50 values due to incomplete characterization of impurities. 1988 AR226-0844 n2R0EjEa74JjR2mQyzxGeOb2 6
The document reports on an acute toxicity study of perfluorodecanesulfonate (PFDS) conducted on Pimephales promelas (fathead minnows), revealing a 96-hour LC50 of 13 mg/L and a NOEL of 3.2 mg/L. 1988 AR226-0388 RJ77Zb21pgbmBqpOzBvrznB4n 8
This document appears to be a scientific article discussing developmental changes in gene expression related to cholesterol biosynthesis and lipid transport in human and rat fetal and neonatal livers, authored by researchers from Washington University School of Medicine and UCLA. 1988 AR226-0558 JQjkY2xBQ9Dekw91yLzN6b6B 8
This document reports on a biodegradation study of perfluorodecanesulfonate (PFDS) conducted by 3M, indicating that while the non-fluorinated moiety (propanol) is likely to biodegrade in aerobic environments, the potential for biodegradation of the fluorinated component remains uncertain. 1987 AR226-0387 LJwbyvN4Xv7X8O7ypVQMVmYkX 8
The document reports on an activated sludge respiration inhibition test for perfluorodecanesulfonate (PFDS) from 3M, indicating a 3-hour EC50 value of 780 mg/L for the test substance mixture. 1987 AR226-0390 OEJLZ0oRqR7B4p8rYonZyZMkp 3
The document reports on a Microbios Microtox toxicity test of perfluorodecanesulfonate (PFDS) conducted by 3M, revealing a 15-minute EC50 value of 290 mg/L for the test organism Photobacterium phosphoreum, with caution advised due to the mixture's composition and incomplete supporting data. 1987 AR226-0391 peLbGR3zMBvvYB4KD75YQJyJj 3
The document reports on a biodegradation test of a mixture containing Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by 3M, indicating that while some biodegradation occurred, the results are not representative of the test substance due to the mixture's composition and lack of detailed methodology. 1987 AR226-0395 V1VajE5aOwwxJaaQBkz1g37w 3
The document discusses the results of medical examinations conducted on Specialty Chemical employees, revealing no significant health issues related to liver and kidney function, but noting three cases of pleural thickening potentially linked to past asbestos exposure, and plans for further studies on the relationship between blood fluorine levels and health outcomes. 1987 AR226-0484 xarBjXND1DLpgMwn1oXNMvp1 6
The document reports on a biodegradation study of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted by 3M Company, which yielded invalid Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) results due to discrepancies in data reporting. 1987 AR226-0495 7Mv9VBX6ry7jO5aBwDqq8EMLV 5