1990s

Documents dated 1990–1999.

Page 7 of 11 — 1,012 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document reports on a 100-person human patch test conducted by ConTox Limited for DuPont, which found that the test item H-22055 did not cause skin irritation or sensitization in participants. 1996 AR226-3058 Xw3kEoa278Kr1D3g373RbXaG 19
The document reports on a 100-person human patch test conducted by ConTox Limited for E. I. du Pont de Nemours and Company, which concluded that H-22033, a test item, did not cause skin irritation or hypersensitivity in participants. 1996 AR226-3059 ndx1azmMZMRz5Kk3MOxRNR9z 19
The document reports on a 100-person human patch test conducted by ConTox Limited for E. I. du Pont de Nemours and Company, which found that the test item H-21936 did not cause skin irritation or sensitization in participants. 1996 AR226-3060 EdzQNN48jkBzz36Yre3qzJYBV 19
The document reports the biocompatibility testing results for DuPont's substances H-22072, H-22073, and H-22074, indicating that all samples passed cytotoxicity and intracutaneous tests, confirming their non-toxic status. 1996 AR226-3061 dYa65QX2KprDvdJ4xg3kEm34B 53
This is an internal memo from Rik Brandenburg discussing a meeting regarding analytical methods for C-8 substances, with distribution to several colleagues for further collaboration on the topic. 1996 AR226-3808 qkwp3RZZm8KO91qYZ9NgJrpxk 1
The document is a summary of a meeting held on December 6, 1996, regarding C-8 (PFOA) in PTFE parts for food applications, where DuPont aimed to reduce toxicology and migration testing costs while leveraging its expertise in C-8 behavior to protect its business interests. 1996 AR226-3810 zzX9RK9mjYeLV4RQO2b86LDja 2
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by Pace Analytical Services for 3M Company, revealing high Chemical Oxygen Demand (COD) and varying Biochemical Oxygen Demand (BOD) values over 28 days, but lacks sufficient methodological detail and sample characterization. 1996 AR226-0692 zzD3ZZdk63enn8QKvb8DEOB6R 7
The document reports on an acute toxicity study of a mixture containing 1.30% PFOS conducted on juvenile golden orfe (Leuciscus idus), revealing a 96-hour LC50 value of 58 mL/L. 1996 AR226-0849 0gJnbbKbmYwVKeRokNEdMKe2O 10
The 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 reliable conclusions due to insufficient method documentation and characterization of the inoculum. 1996 AR226-0848 2LGYNN26nG6QDZ9YDKD2wZop 9
The document reports on a TTC test conducted by 3M Company on a mixture containing 1.30% PFOS, indicating that exposure concentrations between 0.1 and 10 mL/L showed results comparable to the blank control, although the study lacks detailed descriptions and reliability is ranked as Klimisch 3. 1996 AR226-0852 XX1Gg5Qo5a7dmOLZX4gnqpbR 10
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, finding a 24-hour EC50 value of 64 mL/L for the mixture. 1996 AR226-0851 pdbggkDV3VybKnQxJXoXEZOk 10
The document details an Activated Sludge Respiration Inhibition Test (MITI Test) conducted on a mixture containing 1.30% perfluorooctanesulfonate (PFOS) and various other components, indicating a 28-day biological oxygen demand of 82.5%. 1996 AR226-0853 qdwb15aE5gOK1mVj7eerKxbwM 10
The document details a Microbics Microtox toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) as part of the test substance FC-603EF, indicating that the data may not accurately reflect the toxicity of the fluorochemical due to the presence of impurities. 1996 AR226-0854 M40znYNadx2RQ8VbnowqR06x9 9
The document describes an activated sludge respiration inhibition test conducted on a mixture containing 1.30% PFOS, assessing its acute toxicity using OECD Guideline 209 with activated sludge from a wastewater treatment plant, although the test's GLP status is not confirmed and the mixture's impurities may affect the toxicity results. 1996 AR226-0855 aDxXzKNMrLM32VkB9V6Kdp0XY 10
The document details an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on Daphnia magna, conducted under OECD Guideline 202, indicating that the test sample is a mixture with 1.30% PFOS and various other components, although the specific toxicity data may not accurately reflect the fluorochemical component due to impurities. 1996 AR226-0856 mqrmjDoGY53xkR7MKBnMnXjGk 10
This document details a toxicity test of a mixture containing 1.30% perfluorooctanesulfonate (PFOS) conducted on the aquatic plant species Selenastrum capricornutum, following OECD Guideline 201, to assess its impact on algal growth over a 96-hour exposure period. 1996 AR226-0857 By1JN5pR5qbonzG1rqoB3dJvJ 12
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M Company, indicating high Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) values, but notes that the sample's purity was not properly characterized, potentially affecting the accuracy of the results. 1996 AR226-0890 91p1E0EwoZ00QQLgX3bVmxqVp 6
The document reports on a toxicity test of a mixture containing 0.67% PFOS, conducted on the freshwater algae Selenastrum capricornutum, indicating that the study was performed according to OECD guidelines but lacks detailed results due to incompletely characterized concentrations of impurities. 1996 AR226-0895 zzDn7JLbV70GjZQ5jmrdXV2Kg 7
The document discusses a meeting scheduled for December 6, 1996, involving Rik Brandenburg and representatives from Hoechst and ICI to collaborate on analytical methods for determining the migration of C-8 (PFOA) from PTFE coated pans into food simulants, addressing the need for a reliable method for migration into olive oil. 1996 AR226-1665 6beBJwekkNpQbz8bkNK7KVjgo 1
The document details the ion spray LC/MS determination of perfluoro analytical standards provided by 3M Medical Department, prepared by Advanced BioAnalytical Services, Inc. for toxicological analysis. 1995 AR226-0330 MxZ199kpRGnmEBXYde8j7yzL 60
This is a T.R. Wilbury Laboratories report (Study Number 840-TH) detailing the acute toxicity of L-13492 to the daphnid, Daphnia magna, conducted for 3H Company from June 27 to 29, 1995. 1995 AR226-1030 ByLvpqL9qZXmRVe5KdveR2gno 24
The document outlines a study conducted by 3M Medical Department Toxicology Services to investigate the metabolism of specific test articles (T-6292, T-6293, T-6294, and T-6295) using isolated rat and human hepatocytes, with the aim of generating data for regulatory applications related to the Food and Drug Administration. 1995 AR226-0162 OEQOjbypXyvK6gRgwpGB5YkE1 10
The document reports on a study conducted by 3M Environmental Laboratory to evaluate the inhibitory effects of the substance L-13492 on activated sludge respiration, finding a median effective concentration (3-hour EC50) greater than 1000 mg/L. 1995 AR226-1030 KzvJyabNzZQ0D31j673Eo2EBK 15
The document is a report on a growth and reproduction toxicity test conducted by T.R. Wilbury Laboratories for 3M Company, focusing on the substance N2803-2 and its effects on the freshwater alga, Selenastrum capricornutum, completed in November 1995. 1995 AR226-1030 kmb5KnJNKqpadOoQOYvd9n6nD 25
The document reports on a study conducted by T.R. Wilbury Laboratories, sponsored by 3M Company, assessing the acute toxicity of the substance N2803-2 to the aquatic organism Daphnia magna, with the study completed on November 16, 1995, and amended on March 25, 1996. 1995 AR226-1030 2Jm7BORVL4M45NpQxw0Xo8kka 24
The document reports on a study conducted by 3M Company to assess the acute toxicity of a substance identified as N2803-4 to the daphnid Daphnia magna, completed in accordance with U.S. EPA Good Laboratory Practices, with an amendment made to the report regarding the EC50 values. 1995 AR226-1030 zkqYR9DG3kRr6eXodrnL7z13 24
The document reports on a blood testing program conducted in June 1995 at the Antwerp plant to measure individual exposures to PFOS and PFOA, comparing exposure levels within the facility and to other fluorochemical manufacturing sites, while also assessing various health parameters of the participants. 1995 AR226-0175 xdaLgoJ85VBLkV5bjJe7OyZ40 15
The document details a toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on the aquatic plant Selenastrum capricornutum, using a mixture with unspecified impurities, following U.S. EPA guidelines. 1995 AR226-1030 wDk2DDDEBkrZxpy736Y75ZYgJ 4
The document details a toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on the aquatic plant Selenastrum capricornutum, using a test sample with unspecified purity and composition, following U.S. EPA guidelines. 1995 AR226-1030 npvqXvrKp6qdN9vzm6dQ0Dq8X 4
The document is a study report conducted by T.R. Wilbury Laboratories on the growth and reproduction toxicity of the substance N2803-2 using the freshwater alga, Selenastrum capricornutum, sponsored by 3M Company, and completed in November 1995, adhering to EPA Good Laboratory Practice regulations. 1995 AR226-1030 Z47xjXR3jMnba8VMdazqnQgq8 25
This is a T.R. Wilbury Laboratories report (Study Number 840-TH) detailing the acute toxicity of L-13492 to the daphnid Daphnia magna, conducted for 3H Company from June 27 to 29, 1995. 1995 AR226-1030 Z4wER6vyEG9OE6QQgeox7g0p8 24
The document details an acute toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on Daphnia magna, indicating that the test sample was a mixture with unspecified impurities and the study followed U.S. EPA guidelines. 1995 AR226-1030 em46xy6Gp8qgkKjJaGjENEyN9 3
The document reports on a study conducted by 3M Company, assessing the acute toxicity of a substance identified as N2803-4 to the daphnid species Daphnia magna, completed in November 1995 and amended in March 1996, with noted deviations from EPA Good Laboratory Practice regulations. 1995 AR226-1030 n9pwG7Qdk2dGxn1x4VamR8XRG 24
The document details an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) on the aquatic invertebrate Daphnia magna, conducted according to U.S. EPA guidelines, with a focus on determining the LC50 and EC5o values over a 48-hour exposure period. 1995 AR226-1030 Q65nQXwwJeZMoON2z2JmDv0E 3
The document reports on a study conducted by T.R. Wilbury Laboratories, sponsored by 3M Company, assessing the acute toxicity of the substance N2803-2 to the aquatic organism Daphnia magna, completed in November 1995 and amended in March 1996. 1995 AR226-1030 wrRKEdaM96Mw22BrdY2BRgxnQ 24
The document details an acute toxicity study of perfluorooctanoic acid tetrabutylammonium salt (PFOA tetrabutylammonium salt) on fathead minnows (Pimephales promelas), conducted under U.S. EPA guidelines, indicating that the test sample was a mixture with incompletely characterized concentrations of impurities. 1995 AR226-1030 aBmbvbDG51XnNbk31pykBmVyY 4
The document reports on a study conducted by T.R. Wilbury Laboratories, sponsored by 3M Company, assessing the acute toxicity of the substance L-13492 to the Fathead Minnow (Pimephales promelas) in compliance with U.S. EPA-TSCA guidelines. 1995 AR226-1030 wDgwoeyr1aBRpmxVp52NjNy3E 24
The document details an acute toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on fathead minnows (Pimephales promelas) to assess its effects, although the purity of the test sample was not sufficiently characterized. 1995 AR226-1030 bB3YXOnnXmadz0qgmn1XLMyK0 3
The document details an acute toxicity study of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on fathead minnows (Pimephales promelas) using U.S. EPA-TSCA guidelines, noting that the test sample was a mixture with a purity of 96.5 - 100% PFOA and included various perfluoro 1995 AR226-1030 9JpKeyooDQra6zzRr7dyoxRaR 3
The document details a Microtox toxicity test conducted on perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), indicating that the test sample was a mixture with incompletely characterized concentrations of impurities and that the test was performed using Photobacterium phosphoreum to assess toxicity. 1995 AR226-1030 EdZqL2D1KnYaREgb3pO7y7O8L 2
The document reports on a study conducted by 3M Environmental Laboratory to evaluate the inhibitory effects of the substance L-13492 on the respiration of activated sludge, finding a median effective concentration (3-hour EC50) greater than 1000 mg/L. 1995 AR226-1030 K7LVvJyDyqkXkajK1aEVaNX2 15
The document details an activated sludge respiration inhibition test conducted on perfluorooctanoic acid tetrabutylammonium salt (PFOA tetrabutylammonium salt) with a focus on its toxicity, using a test sample referred to as L-13492, although the purity of the sample was not fully characterized. 1995 AR226-1030 vBr4bv7ZQBEJ7vzbGLOnzNqbZ 2
The document reports on a biodegradation test for a mixture containing perfluorooctanesulfonate (PFOS) conducted by MDS Environmental Services for 3M Canada, revealing high Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) values, but lacking conclusive results due to insufficient characterization of the sample and methodology. 1995 AR226-0691 qdapL4BLeep4rdYy09nyXwEKk 3
This document details an acute toxicity test of a PFOS-containing mixture (FC-201AF) on fathead minnows (Pimephales promelas) conducted according to OECD Guideline 203, with findings indicating the need for caution due to the presence of impurities in the test sample. 1995 AR226-0693 vVzJ1pjrBJDy8voz769qrvxq8 7
The document details a toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) using the freshwater algae species Selenastrum capricomutum, following OECD guidelines, although the study's results and specific conditions are inadequately characterized. 1995 AR226-0694 X71yvpzXKzOdDk814rXaJj4B 6
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, indicating that the test sample, FC-201AF, includes 3% PFOS among other components, but notes that the data may not accurately reflect the toxicity of the fluorochemical due to incomplete characterization of impurities. 1995 AR226-0698 4abOMo0E8zvpy6a8rNz2ajJrV 3
The document reports on a Microbios Microtox toxicity test conducted on a mixture containing 3% PFOS, revealing a 5-minute EC50 value of 154 mg/L for the test organism Photobacterium phosphoreum. 1995 AR226-0699 v61JKKRBnpLaV5kY8JqKvVZjq 7
The document describes an Activated Sludge Respiration Inhibition Test conducted on a mixture containing 3% perfluorooctanesulfonate (PFOS) and various other components, indicating that the data may not accurately reflect the toxicity of the fluorochemical due to incompletely characterized concentrations of impurities. 1995 AR226-0700 O6rx0VMMrmJVabp57aaZNJ3X 10
The document outlines a study conducted by 3M Medical Department Toxicology Services to determine the metabolism of test articles T-6292, T-6293, T-6294, and T-6295 using isolated rat and human hepatocytes, with the aim of generating data for regulatory applications related to FDA permits. 1995 AR226-0162 1Q98BpDOEw1Y238E889MZjrxa 10
The document details a nitrification inhibition test conducted on a mixture containing perfluorooctanesulfonate (PFOS) and other components, indicating that the test was performed using activated sludge from a wastewater treatment plant to assess the impact of PFOS on microbial nitrification. 1995 AR226-0765 bBqgb20qEdvbDBVvDVJ41rk13 8
The document reports on a nitrification inhibition test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the EC50 for the test substance was greater than 498 mg/L, suggesting low toxicity to nitrifying microorganisms. 1995 AR226-0766 rpdXG9GRmjB6YKwXekRZea6vG 6
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 1% PFOS, revealing that the test was performed under standard guidelines without GLP compliance, and highlights the test conditions and methodology used to determine toxicity levels. 1995 AR226-0767 zQzwE6L3YOgQ3kwBxNkbGzYQm 9
The document reports on a blood testing program conducted in June 1995 at the Antwerp plant to measure individual exposures to PFOS and PFOA, comparing exposure levels among participants and with other fluorochemical manufacturing facilities while analyzing various health parameters. 1995 AR226-0175 reJ21b8KegmwnrapG0BgNb2oG 15
The document details a toxicity study of a mixture containing 0.5% PFOS, conducted according to OECD guidelines, assessing its effects on the growth of the freshwater algae species Selenastrum capricomutum over a 96-hour exposure period. 1995 AR226-0864 bBG253KR2KBRzeZ27gzxk6x7y 6
The document details a Microbios Microtox toxicity test conducted on a mixture containing 0.67% PFOS, identifying its composition and noting that the data may not accurately reflect the toxicity of the fluorochemical component due to incomplete characterization of impurities. 1995 AR226-0891 3eBbq80BaQ68Nkx9bvd03Qm3J 12
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture containing 0.67% perfluorooctanesulfonate (PFOS) as part of the test substance FC-3017, with exposure concentrations ranging from 1.0 to 1000 mg/L over a 96-hour period. 1995 AR226-0892 10Nv7k4Y6KxapzygqemQDQxBq 7
The document details an activated sludge respiration inhibition test conducted on a mixture containing perfluorooctanesulfonate (PFOS) as part of FC-3017, indicating that the test was performed to evaluate the toxicity of the fluorochemical component using OECD Guideline 209. 1995 AR226-0893 ZnonYZd2jgEbnLr89mYgJ4Dx0 10
This document details an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on Daphnia magna, using a sample produced by 3M in Antwerp, Belgium, and outlines the test conditions and methodology according to OECD Guideline 202. 1995 AR226-0894 3QnQZwd7qJQv1knL6pmr9g3BD 9
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on fathead minnows (Pimephales promelas) according to OECD Guideline 203, with details on the test conditions and methodology used to determine toxicity. 1995 AR226-0905 dDx4Lr9VMo8bpVbpRZEpBJoKQ 11
The document details an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on Daphnia magna, conducted under OECD guidelines, with specific conditions and concentrations outlined, although the results are not statistically applicable due to the nature of the study. 1995 AR226-0906 kDG023p7vgeyzB8wVdakavrzD 3
The document details a Microbios Microtox toxicity test conducted on a mixture containing Perfluorooctanesulfonate (PFOS) to assess its acute toxicity using the Photobacterium phosphoreum species, with results indicating various nominal concentrations for evaluation. 1995 AR226-0907 REdaNNQ0adnnM4wrYpev2Gwz 13
The document details an Activated Sludge Respiration Inhibition Test conducted on a mixture containing Perfluorooctanesulfonate (PFOS) to assess its impact on respiration rates in activated sludge, using a method based on OECD Guideline 209. 1995 AR226-0908 ZBEKQw3nqV9n8dvJBovMKq4aL 10
The document details the ion spray LC/MS determination of perfluoro analytical standards provided by 3M Medical Department, prepared by Advanced BioAnalytical Services, Inc. for toxicology studies. 1995 AR226-0330 VJvYGBv76oNm7am6xE6njBYmw 60
The document reports on a biodegradation study of the perfluorinated compound 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate (CAS # 423-825), indicating low biodegradability results of 4%, 1%, and 6% across three replicates, while raising concerns about the purity and methodology used in the testing process 1995 AR226-0412 bmjxxok3GJQxN5Y7yZMvJ4QD 35
The document is a final report on an acute dermal toxicity study of T-6342, sponsored by 3M and conducted by Corning Hazleton Inc. in accordance with OECD guidelines, completed on October 24, 1995. 1995 AR226-0427 85Xp870vvx96Ee2QRnr3p8z1a 32
The document is a final report on a mutagenicity test of T-6342 conducted by Corning Hazleton for 3M Corporation, which involved an in vivo mouse micronucleus assay to assess the potential mutagenic effects of the substance. 1995 AR226-0435 a4pma8knD6mxoENYBELXYZYBX 23
The document is a final report on a mutagenicity test of a substance identified as T-6342 conducted by Corning Hazleton for 3M Corporation, using the Salmonella - Escherichia coli/mammalian-microsome reverse mutation assay, confirming compliance with Good Laboratory Practice regulations. 1995 AR226-0436 mBNDgBng77m1gnvn7VEmnzgO 30
The document details a bioconcentration test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on fathead minnows to analyze fluoride levels, using a method developed by 3M, although the purity of the test sample was not fully characterized. 1995 AR226-0496 91BZ4xLpGkGvBbznqEM77vBEe 24
The document details a toxicity study on Perfluorooctanoic acid (PFOA) conducted in 1995, assessing its effects on the aquatic plant species Selenastrum capricornutum using U.S. EPA guidelines, with findings reported in 1996. 1995 AR226-0518 JJKbkBe6K3dKnYEYo3wDErewr 28
The document details an acute toxicity study of Perfluorooctanoic acid (PFOA) conducted in 1995-1996 on the fish species Pimephales promelas, using a test substance with a purity of 96.5-100% PFOA, to determine its lethal concentration (LC50) under controlled laboratory conditions. 1995 AR226-0519 rQrorpMbYD24bEq23dvKVvM7 29
The document details a study on the acute toxicity of Perfluorooctanoic acid (PFOA) to the aquatic invertebrate Daphnia magna, conducted under U.S. EPA-TSCA guidelines, with a focus on determining LC50 and EC50 values over a 48-hour exposure period. 1995 AR226-0520 qdJQKyOa0NDzEKXQNKQZ8gXEK 29
The document reports on a biodegradation study of the perfluorinated compound 2-(N-Ethylperfluorooctanesulfonamido)ethyl acrylate (B1228), indicating low biodegradability (4-6%) after 28 days, with concerns about the purity and methodology of the test. 1995 AR226-0412 ymnMJmq2X630vZEvdLnrxV7jX 35
The document is a final report on an acute dermal toxicity study of T-6342, sponsored by 3M and conducted by Corning Hazleton Inc. in accordance with OECD guidelines. 1995 AR226-0427 3ed556NwEoYqXKbZ6ZDz3qKza 32
The document is a final report on a mutagenicity test of T-6342 conducted by Corning Hazleton for 3M Corporation, indicating compliance with Good Laboratory Practice regulations and detailing quality assurance inspections related to the study. 1995 AR226-0435 4ak7yqq3oKRBRLB9QRz7Np19e 23
The document is a final report of a mutagenicity test conducted by Corning Hazleton for 3M Corporation, assessing the mutagenic potential of a substance (T-6342) using the Salmonella - Escherichia coli/mammalian-microsome reverse mutation assay, completed on December 14, 1995. 1995 AR226-0436 6Bb8vw84b9YG27NGKxGY1vvy3 30
The document details a bioconcentration test of perfluorooctanoic acid (PFOA) ammonium salt, produced by 3M, using fathead minnows to analyze the uptake and depuration of PFOA over a specified period, although the purity of the test sample was not fully characterized. 1995 AR226-0496 a15NbOxGL9xM3ejJJjpX230JY 24
The document details a toxicity study of Perfluorooctanoic acid (PFOA) on the aquatic plant species Selenastrum capricornutum, conducted under U.S. EPA guidelines, with the test completed in 1996. 1995 AR226-0518 DG7ZqaYDe968OQoLJ2pXXwMKo 28
The document details an acute toxicity study of perfluorooctanoic acid (PFOA) conducted in 1995-1996 on the fish species Pimephales promelas, using a test substance with a purity of 96.5-100% PFOA and a 50:50 water-isopropanol solution for sample preparation. 1995 AR226-0519 2R5Eorxp8N5y9y769yO6Qzmr6 29
The document details a 1995-1996 acute toxicity study of perfluorooctanoic acid (PFOA) on the aquatic invertebrate Daphnia magna, conducted under U.S. EPA guidelines, which involved monitoring various environmental parameters and calculating LC50 and EC50 values. 1995 AR226-0520 LJYZ2OrK9DaoG6k4MOmkyrLGg 29
This is a communication from Dave Ruffin to TFE Lab Foremen discussing new C-8 testing protocols and the need for two studies to determine lab performance and analysis methods. 1995 AR226-1995 By0e30x1kEey4LqVn9799DmZk 1
The document is an industrial hygiene report detailing various sampling results for fluorocarbon copolymers, specifically C-8/FC-143, from the Bead Oven Room at Washington Works, with concentrations ranging from 0.02 to 0.96 MPB over different sampling dates between January 1995 and December 1997. 1995 AR226-2033 LkaEnjErMMzewGdjj72RXn5X 8
This document appears to be a lab report detailing analytical results for a sample processed on March 18, 1995, with various peak and concentration measurements, but lacks clear identification of the specific analysis or substances tested. 1995 AR226-2071 rBe6MwpQEBX58rJazxxbx8pMG 2
This document appears to be a laboratory report detailing analytical results for semi-volatile compounds, including sample analysis conditions and peak data, but lacks a clear identification of the specific study or client. 1995 AR226-2077 evo4DVQJyYZN9wGRV0Rkp4vKe 1
This document appears to be a laboratory report detailing analytical results for semi-volatile compounds, with specific data and parameters related to the analysis conducted on March 20, 1995. 1995 AR226-2076 Bv3oY9ZXYXmymQpqn2GygnngX 2
This document appears to be a laboratory report detailing analytical results for a sample analyzed on March 20, 1995, with various measurements and retention times, but lacks clear identification of the specific substances tested. 1995 AR226-2078 1J3ry4beJyewXqx1kY4Zbpqm 2
The document is an industrial hygiene report detailing the concentration levels of C-8/FC-143, a perfluorinated compound, sampled at various locations in the Washington Works facility from January 1995 to July 1997, with concentrations ranging from 0.01 to 2.01 MPB. 1995 AR226-2082 dn0Y684e1Vo3V5mNVE3Z8k6ae 4
The document discusses a biodegradation study of Trifluoroacetate (TFA) and C-8 compounds, with a recommendation from DuPont's Vinci M. Felix to include bacteria with methane monooxygenase systems for effective breakdown, as endorsed by the AFEAS TFA Biopanel. 1995 AR226-1785 x5BYKY91OMRjwkw3BEY9BpMJJ 3
The document discusses a joint study initiated by DuPont and Envirogen, aimed at investigating the biodegradation of trifluoroacetate (TFA) and ammonium perfluorooctanoate (C-8) using naturally occurring bacterial strains. 1995 AR226-1786 1zz2G852eV3aBwq8RNgyGQvX 2
The document outlines agreements reached regarding the Letart Landfill's permitting and closure program, including groundwater monitoring for perfluorinated compounds such as FC-143 (ammonium perfluorooctanoate) and various volatile organic compounds, with a proposed cost of $250M to $300M for remediation efforts. 1995 AR226-2426 baOVvm9JKg2x62852bwBw4N4O 4
The memorandum discusses the status of action items from a C-8 Global Meeting, specifically reporting that groundwater samples at Shimizu were analyzed for C-8 (perfluorooctanoic acid) in April and May, showing concentrations of 6 ppm and 1 ppm, respectively. 1995 AR226-2436 8RxoOmMxqzBo4JR0kB616yak5 1
The memorandum discusses concerns about the detection of FC-143 in groundwater using the methylene-blue method, questions its appropriateness, and mentions that there are no current plans to reduce FC-143 levels, while also indicating ongoing soil remediation for PCE contamination near the affected area. 1995 AR226-2437 5zM43evxONxZ5q94BrxzQXz 1
The document discusses analytical results for C-8 (likely referring to perfluorooctanoic acid, PFOA) from 1995 to 1997, highlighting improvements in analytical methods and the importance of being within the linear range of the BCD detector for accurate measurements. 1995 AR226-2447 qa7xQVLeo5GnZomyXz4en0pdq 2
This is an internal communication detailing the analysis of cross-check samples using a GC method, with specific results for various samples listed. 1995 AR226-2449 gkm3Y4wdx7e8D1QrqozgK1Y3 1
This document reports on a 14-day repeated oral toxicity study conducted by E. I. du Pont de Nemours and Company, evaluating the effects of the perfluorinated compounds H-19683 and H-19704 on male rats, where H-19704 exhibited clinical signs of toxicity at both tested doses. 1995 AR226-2799 ppjKVoYxzqLrXNjO1gb1gaEnw 47
The document reports that a study conducted by E. I. du Pont de Nemours and Company found that the approximate lethal dose (ALD) of the substance H-21095 in male rats was greater than 11,000 mg/kg, indicating very low toxicity when administered as a single oral dose. 1995 AR226-3015 06GGdy6qZw0zx1wYob6Vw4GzM 6
The document reports on a reverse mutation assay conducted by Elf Atochem S.A. to assess the mutagenicity of a test substance using Salmonella typhimurium, with the study completed on March 24, 1995, at the Centre International de Toxicologie in France. 1995 AR226-3012 6RZmykakRqR4D4dmvOxkZ53x6 20
The document reports the results of USP biocompatibility testing for the substances H-21016 and H-21017, conducted by North American Science Associates, Inc. for E. I. du Pont de Nemours and Company, indicating that both substances passed various toxicity tests. 1995 AR226-3014 xj4Xw0xj6RMzzejkvrRmLv1ZE 11
The document reports on an eye irritation test conducted by E. I. du Pont de Nemours and Company on the substance H-21095, which was found to be a mild, transient eye irritant in rabbits. 1995 AR226-3016 grMdEDXOE9Bdvn5wazOEV32G 10
The document reports on a skin irritation test conducted by E. I. du Pont de Nemours and Company on the substance H-21095, which showed moderate skin irritation potential in rabbits, with slight to moderate erythema observed shortly after application but no clinical signs of toxicity. 1995 AR226-3017 9kQdqgEp4Op19jXadmLQzjmR 8
The document reports on a skin sensitization test conducted by Elf Atochem S.A. using guinea pigs to evaluate the allergenic potential of a test substance, with the study completed on March 24, 1995. 1995 AR226-3013 qdYBbyxKa9me0EwajQ5M0rmQk 29