CD 20 — AR226-1778-2110

EPA administrative record segment: CD-20--AR226-1778-2110 (331 documents).

Page 2 of 4 — 331 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document summarizes a dietary chronic definitive reproductive study on perfluorooctanesulfonate (PFOS) conducted on northern bobwhite quail, detailing the experimental design, treatment concentrations, and observations of toxicity, which led to the termination of higher dose treatments due to adverse effects. 2001 AR226-1830 3oapYB816BYL6wNgEox6BeKa 11
The document is a final report on a reproduction study of PFOS conducted on the Northern Bobwhite, sponsored by 3M Corporation and compliant with Good Laboratory Practice Standards, detailing the study's initiation and completion dates, as well as the protocols followed. 2001 AR226-1831 6RkMD8yBmkqomM7nnZXrzQdpg 42
The document summarizes a dietary chronic definitive reproductive study on perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the experimental design, treatment levels, and observations of toxicity, which led to the termination of higher concentration groups due to adverse effects. 2001 AR226-1835 rpdLKVvO5Jneq0zrpRob3EyRE 11
The document is a final report on a reproduction study of PFOS conducted on mallards, initiated by 3M Corporation and completed by Wildlife International, Ltd., which adhered to Good Laboratory Practice standards but noted exceptions regarding the reporting of blood and tissue analyses. 2001 AR226-1836 YD1ox4wwvdxKKGdj1dERkyyDn 58
The document details a study conducted by Centre Analytical Laboratories, Inc. for 3M Environmental Technology and Safety Services on the extraction of potassium perfluorooctanesulfonate (PFOS) from quail serum and liver using HPLC-Electrospray/Mass Spectrometry, ensuring compliance with Good Laboratory Practice standards. 2001 AR226-1843 2qy8GrodL0q0y45GV9J0b1qJ5 102
The document details a study conducted by Centre Analytical Laboratories, Inc. for 3M Environmental Technology and Safety Services on the extraction of Potassium Perfluorooctanesulfonate from egg components using HPLC-Electrospray/Mass Spectrometry, which was performed in compliance with Good Laboratory Practice standards, despite some exceptions noted. 2001 AR226-1844 jgVGZVgbJGNyX4LdERmJj07yR 102
This laboratory report from 3M Environmental Technology & Safety Services details a PFOS dietary LC50 study in northern bobwhite, revealing significant variability in PFOS levels in sera among individual animals while liver PFOS levels were more consistent and generally increased with dose level. 2001 AR226-1850 5LwBppy82aJnN9d6JX9z89w1R 16
The document details a study conducted by Centre Analytical Laboratories, Inc. for 3M Environmental Technology and Safety Services on the extraction of Potassium Perfluorooctanesulfonate (PFOS) from Mallard serum and liver using HPLC-Electrospray/Mass Spectrometry, ensuring compliance with US EPA Good Laboratory Practice Standards. 2001 AR226-1847 RpnrDJD2DoX0M9O2eLQVa6RyV 104
The document details a dietary chronic definitive reproductive study on perfluorooctanesulfonate (PFOS) conducted on northern bobwhite quail, revealing toxicity at higher concentrations leading to the termination of the 150 ppm and 50 ppm treatment groups due to overt signs of toxicity. 2001 AR226-1854 Ozj4XXYwak04XvKqmqzZyvd31 11
The document summarizes a dietary chronic definitive reproductive study on perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the experimental design, treatment levels, and observations of toxicity, particularly noting that high concentrations (150 ppm) led to early termination of the treatment group due to overt signs of toxicity. 2001 AR226-1859 3QYB0agnoY7E9Gz5926Mp3Y3 11
The document is a final report on a reproduction study of PFOS conducted on the Northern Bobwhite by Wildlife International, Ltd. for 3M Corporation, which was completed on August 20, 2003, and adhered to Good Laboratory Practice standards with some exceptions noted. 2001 AR226-1855 Gzjq619dyXoNLy2OGxqjN3rdY 196
The document is a final report on a reproduction study conducted by Wildlife International, Ltd. for 3M Corporation, assessing the effects of PFOS on mallards, completed in compliance with Good Laboratory Practice standards. 2001 AR226-1860 EwvgQjbyk78G9Vbz1LjMYaoV 202
The document is a report evaluating the validation of bioanalytical methods for measuring PFOS and related analytes in human serum or plasma, sponsored by 3M Environmental Laboratories, and authored by Nancy Benson and Philippe Ourisson from Quality Associates, Inc. 2001 AR226-1907 NNNoOE435jXq1Jmpzr3Z2kBkp 26
The document reviews pancreatic lesions from the DuPont APFO study, confirming the carcinogenic effects of APFO while noting discrepancies in hyperplasia reporting compared to the 3M study, with a final confirmation pending further slide reviews. 2001 AR226-1919 ZmOOQa8QaV7a4ByzgLeQ5xE0 5
The document discusses a significant increase in C-8 (likely PFOA) test results from area and personal samples in a fine powder area in 1985, with multiple samples exceeding the established acceptable exposure limit, prompting a meeting to address potential health hazards and necessary actions. 2001 AR226-2001 EvNd0JOVQnXmoQ27LOgxkzpON 1
The correspondence discusses concerns regarding elevated levels of C-8 (perfluorooctanoic acid, PFOA) detected in the recovery building at DuPont, attributing the source to inadequate venting from fine powder scrubbers rather than liquid solutions, and suggests that the situation may improve with the installation of exhaust filters. 2001 AR226-2047 6RdvmkxvBGp0RbV7dxJyJ3xQ3 2
The document discusses concerns regarding high levels of C-8 (perfluorooctanoic acid, PFOA) measured in the DuPont B-124 building, attributing the presence to dried powder residue rather than vapor pressure, and suggests a thorough wash down of equipment to minimize exposure risks. 2001 AR226-2048 nBpXVyrEKkMN0xz89ebbJK86 2
The document presents industrial hygiene test results for perfluorinated compounds (C-8/FC-143) from various locations within a Teflon production facility, indicating concentrations that exceed action levels during the sample date range of January to December 1989. 2001 AR226-2099 5DoQNxwXNwEvDj9kr3Rp8me0V 7
The document presents test results from 1991 for perfluorinated compounds (C-8/FC-143) at Pern Chemical, indicating various concentrations exceeding action levels in multiple locations within the facility. 2001 AR226-2100 9dd2bdML8QNyNyw4vbM1jOo6 9
The document presents industrial hygiene test results for C-8/FC-143 (a perfluorinated compound) from various locations within a Teflon production facility, indicating concentration levels and their percentages relative to action levels over multiple sample dates in 1992. 2001 AR226-2101 jOEN1Vy9vkgExJp3GxLELm0O 3
The document presents industrial hygiene test results for perfluorinated compound C-8/FC-143, indicating various concentrations detected in samples taken from Teflon production locations between January and December 1993, with some samples exceeding action levels. 2001 AR226-2102 ym9Nope82OZZk3x8odz7b67N2 5
The document presents industrial hygiene test results for perfluorinated compound C-8/FC-143 (PFOA) exposure levels among employees in various Teflon production areas during 1994, indicating concentrations ranging from 300 to 420 parts per million. 2001 AR226-2103 zGL7mVmBXkDxXNDvkbVbRqZa 5
The document presents test results for PFOA (C-8) concentrations in various locations of a Teflon production facility, indicating that all samples collected in 1977 showed concentrations below 0.1 PPM. 2001 AR226-2104 baMNg09va6G67GZ25JZgOkXg1 1
The document presents industrial hygiene test results for PFOA concentrations in various locations associated with the production of Teflon, indicating multiple sample dates and concentration levels, with some samples showing very low PFOA levels. 2001 AR226-2106 yrG7No0o59xxO8eagyNnMjeJD 5
The document provides a summary of industrial hygiene sampling results for perfluorinated compounds (C-8) related to Teflon production, indicating various concentrations measured in parts per million (PPM) across multiple dates and locations in 1980. 2001 AR226-2107 kv7M8NXj1o6DEEjmq2dJ03xb 9
This document contains industrial hygiene test results for various samples collected from different locations within a facility, detailing concentrations of a chemical identified as C-8, with measurements primarily below 0.0015 PPM. 2001 AR226-2109 2J597Zj05N5NkVKbxR3Zn9qr 23
The document details industrial hygiene sampling results for perfluorinated compounds (C-8/FC-143) conducted by Pera Chemical in 1981, indicating various concentration levels that exceed action levels. 2001 AR226-2108 jyO4Y8jBKX8XgQvdLRoE7qdyQ 31
The document presents industrial hygiene test results for perfluorinated compounds (C-8/FC-143) from various samples collected at a chemical facility, indicating concentration levels and compliance with action levels. 2001 AR226-2110 N27x4zLyLQjG0yKDegJbx9qLV 54
This document summarizes a dietary chronic pilot reproductive study on the effects of perfluorooctanesulfonate (PFOS) on Northern Bobwhite quail, detailing the experimental design, exposure levels, and methods used to evaluate health and reproductive outcomes. 2000 AR226-1817 xjXZkqbJdnq9mwboXgkgD9BY6 12
This document is the final report of a pilot reproduction study on PFOS conducted by Wildlife International, Ltd. for 3M Corporation, which adhered to Good Laboratory Practice Standards and was completed on December 18, 2003. 2000 AR226-1818 mqr4Xwzwwgz65djvLQLwwGMg4 128
The document summarizes a dietary chronic pilot reproductive study on perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the experimental design, exposure levels, and evaluation of health and reproductive effects over a 20-week period. 2000 AR226-1821 OEq9VQGV02V34zZZGQr8OqgmX 12
This final report details a pilot reproduction study on PFOS conducted with mallards by Wildlife International, Ltd. for 3M Corporation, adhering to Good Laboratory Practice standards, and completed on December 18, 2003. 2000 AR226-1822 k6GgypKBvOY0REYabnr6zQvNn 124
This document provides a toxicological summary of a dietary acute study on perfluorooctanesulfonate (PFOS) conducted on Northern Bobwhite quail, detailing the test substance's purity changes, methods used, and the study's design and results. 2000 AR226-1824 MJ0yxNbNneErpOnovq5RbO1a 11
This document summarizes a dietary acute toxicity study on Perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the test substance's purity, methodology, and experimental design, including exposure and recovery periods. 2000 AR226-1827 nN9m83M4773qQ5ywKYRQ7wenz 11
The document summarizes a dietary chronic pilot reproductive study on the effects of perfluorooctanesulfonate (PFOS) on Northern Bobwhite quail, detailing the experimental design, exposure concentrations, and methods used to evaluate health and reproductive outcomes. 2000 AR226-1841 jmvOYNzbo4v2eeKB7y9DBqqzk 12
The document is a final report on a pilot reproduction study of PFOS conducted on the Northern Bobwhite, submitted to 3M Corporation by Wildlife International, Ltd., and completed in compliance with Good Laboratory Practice standards. 2000 AR226-1842 153R06r0Q1aOynb90Ow2Z930E 125
The document summarizes a dietary chronic pilot reproductive study on PFOS (perfluorooctanesulfonate) conducted on mallards, detailing the experimental design, exposure levels, and evaluation of adult health and reproductive effects over a 20-week period. 2000 AR226-1845 qj6nj7jgkGYLn6X9oG5ZDrwn 12
This document is a toxicological summary of a dietary acute study on perfluorooctanesulfonate (PFOS) conducted on Northern Bobwhite quail, detailing the test substance's purity, methods, and study design, with revisions made to reflect changes in purity from 90.49% to 86.9%. 2000 AR226-1848 dnekMq0b7Z5Ynk35apj1oeZ30 11
This final report details a pilot reproduction study on PFOS conducted with mallards by Wildlife International, Ltd. for 3M Corporation, adhering to Good Laboratory Practice standards, and completed on December 18, 2003. 2000 AR226-1846 x5RbZ9ymqaEkaXoEOZQnO7D7Q 123
This document is a toxicological summary of a dietary acute study on perfluorooctanesulfonate (PFOS) conducted on mallards, detailing the substance's purity levels, testing methods, and experimental design, including exposure and recovery periods. 2000 AR226-1851 bM1kXvYLVVnzXwa6RLb7Gy8y 11
The document is a final report on a study conducted by Covance Laboratories on the adsorption and desorption of (14C)-8-2 Telomer B Alcohol, adhering to OECD Guideline 106, with no confidentiality claims made regarding the data. 2000 AR226-1891 jm087bxkOGGnX5Ojgp3n5E1bQ 90
The document is an amended final report of a cell proliferation study conducted by 3M on N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluorooctanesulfonamide (N-EtFOSA) in 2000 AR226-1905 zQvV1N8p3g6E4yE9RYRwyE7dR 76
The document is a final report from TherImmune Research Corporation detailing a cell proliferation study conducted on rats using N-Ethyl Perfluorooctanesulfonamido Ethanol (N-EtFOSE), Perfluorooctane Sulfonic Acid Potassium Salt (PFOS), and N-Ethyl Perfluorooctanesulfonamide (PFOSA). 2000 AR226-1906 0JB11Zrg4wMnnpy1Oz4rG7NaV 62
The document discusses the environmental status of C-8 (PFOA) at E.I. du Pont de Nemours and Company, indicating that employee blood concentrations are decreasing, measures to reduce river discharges are planned, and engineering analyses for eliminating air emissions are underway, with toxicity tests on a new compound (TBSA) in progress. 2000 AR226-2000 XR1xxNja3eOYy5m1vMDryZ9Gy 15
The document presents data on C-8 (likely referring to perfluorooctanoic acid, PFOA) concentrations measured at various receptors over a five-year period from 1973 to 1977, detailing specific concentration levels at different buildings associated with a facility. 2000 AR226-2089 xzqrRz432orw5ZXkOjOdZVJZJ 5
This document reports on a dietary LC50 study of PFOS conducted on the Northern Bobwhite by Wildlife International Ltd. for 3M Corporation, indicating compliance with Good Laboratory Practice standards, although the test substance was not fully characterized at the time of testing. 1999 AR226-1825 vB4j4YzLQz3QYNp3qVzpR8ZeZ 69
This document details a dietary LC50 study on PFOS conducted by Wildlife International Ltd. for 3M Corporation, which was completed on April 26, 2000, and amended on March 23, 2004, in compliance with Good Laboratory Practice Standards. 1999 AR226-1828 Ymojn4qX4adabqgQB2xyjbek 73
The document details a dietary LC50 study on PFOS conducted by Wildlife International Ltd. for 3M Corporation, which was completed on April 26, 2000, and amended on March 23, 2004, while noting compliance with Good Laboratory Practice standards. 1999 AR226-1849 km8rE3y4bwkVLdo2xn075QQYb 69
The document reports on a dietary LC50 study of PFOS conducted on mallards by Wildlife International Ltd. for 3M Corporation, indicating compliance with Good Laboratory Practice standards, with an amended report date of March 23, 2004. 1999 AR226-1852 5b1ypE6QbMy4zNyJNvd5kO9L8 72
The document compares the determination of C-8 (a perfluorinated compound) levels in air using Tenax Tube and Aqueous-impinger methods across various locations in a facility, finding a statistically significant increase in C-8 levels only in FEP Clean Rooms while other locations showed equivalent results. 1999 AR226-1999 zbRmzek4p9j6JRR9x5xxxR26g 1
The technical report from the University of Rochester summarizes the quantitative analysis of fluorocarbon metabolites, revealing that PFOS was the major metabolite found in rat liver samples treated with FOSA and FOSAA, while significant concentrations of FOSA were also detected in control rats. 1998 AR226-1812 DdGeKpw49DJZjJRLjDn88ygka 133
The document is a news media release from the Little Hocking Water Association advising customers to voluntarily reduce water use due to low Ohio River levels affecting wellfield capacity, while highlighting concerns about elevated C-8 (PFOA) levels in Well No. 5, which may need to be activated if demand is not sufficiently reduced. 1998 AR226-1928 pOBdQd228QxxrvRnrR9zgG8D 2
The document presents air level trends of C-8 (PFOA) from 1980 to 1983 at a FEE area, showing varying concentrations with a peak of 6.80 mpb recorded for the No. 1 Clean Boom in 1983. 1998 AR226-1998 npeVgaQgwXMbz1mw5Gr0KgRNw 1
This document details the results of C-8 (PFOA) exposure sampling at DuPont, indicating various measured levels of PFOA in personal and area samples, with a reset of testing frequency to every 30 days due to some results exceeding action levels. 1998 AR226-2035 mYVYN40ODQzM21EO2BVDpRog 2
The document reports that industrial hygiene air sampling results for C-8 (perfluorooctanoic acid, PFOA) at various sample locations in a DuPont facility show higher averages in 1998 compared to 1997, indicating an increase in exposure levels. 1998 AR226-2038 ZBLav5vVErXw6bw6k6NrVjnod 2
The memorandum from Jack Offenberger reports rising C-8 (perfluorinated compound) sample results over the past year at various sampling points, indicating an increase in exposure levels compared to the previous year. 1998 AR226-2039 3QyLJ5xgxxvN3QDkpdBeZp883 3
This memorandum discusses the biodegradation investigation of C-8 (PFOA) at the Washington Works aquifer, reporting a first-order rate constant and half-life estimates for PFOA degradation, while also addressing the need for more accurate measurements of its sorption properties and organic carbon content in the aquifer. 1998 AR226-1796 4azkDorx14L2BR6Zw2rrwDyOQ 2
The memorandum discusses the analysis of organic carbon concentration in aquifer materials related to C-8 (perfluorooctanoic acid, PFOA) and estimates a half-life of 47.5 years for its apparent loss in the aquifer, raising questions about the steady state of transport and biodegradation. 1998 AR226-1797 jB4Jqpkdj4jnZzaBOGoBDn4Lk 1
The document contains meeting notes from the C-8 PACE Team meetings held on January 6 and 7, 1998, discussing the development and commercialization of alternatives to C-8 (perfluorooctanoic acid, PFOA) and fluoroproducts made without it. 1998 AR226-2084 gv6vd6jZ8DnBmNBz07zv1b1e 34
This document appears to be a cover page for a report on the determination of C-8 in air using the Tenax tube technique, authored by R. D. Lanyon and J. G. Loschiavo, with references to laboratory notebooks E25495 and E25510. 1997 AR226-1997 e6e5Qva2kpjxJjNdzyQ10Dz4 4
The document contains air sampling results and personal exposure data related to C-8 (PFOA) for DuPont employees at the Washington Works facility, detailing exposure levels over several years and identifying areas with high C-8 concentrations. 1997 AR226-2022 2xa8dVryjNvaeE36ZZmyDZRb 3
The memorandum discusses the goals for reducing C-8 (PFOA) exposure, outlining current levels, detection limits, and a proposed reduction in emissions to achieve a target of 2% of the acceptable exposure limit (AEL). 1997 AR226-2029 dQ39YzkJR7yMGNqBQqkJzB0gb 1
The document discusses air and blood monitoring results related to C-8 (PFOA) exposure among DuPont employees at the Washington Works facility, detailing personal and area sampling data from 1993 to 1996. 1997 AR226-2085 x5o7N09K9Lrvdj7mDVVnjG1Eg 4
The memorandum discusses a meeting regarding the bio-fate data collection program for C-8 (PFOA) at the Parkersburg site, outlining plans for sampling, analytical support from 3M, and specific responsibilities and timelines for team members. 1997 AR226-1789 5DX3grp0OoN44GjMq9NeZo8B8 3
This memorandum outlines a draft work plan for evaluating the biodegradation of C-8 (ammonium perfluoro-octanoate) at the DuPont Washington Works facility, focusing on areas with high soil concentrations and groundwater contamination. 1997 AR226-1790 npzJr1kYd4784nJbDaDb0o2Dz 8
The document discusses a meeting between DuPont and 3M regarding environmental issues related to C-8 (PFOA), detailing the requirements for soil and water sample analysis to avoid contamination and noting that 3M will conduct the analysis. 1997 AR226-1791 rxqw6m30aR6kb40jJe7n61xOv 2
The document discusses a proposal for a C8 biodegradation study at DuPont, with references to revisions based on comments from a previous meeting regarding perfluorinated compounds, specifically C8, which is likely related to PFOA. 1997 AR226-1792 g2jYaGgJzq7ebgJQjyzygLbN9 8
The document discusses the need for additional funding for a Biofate study on C8 (PFOA) at DuPont's Washington Works to support a detailed risk assessment related to its continued use, highlighting collaboration with 3M for analytical work and the financial implications of the funding changes. 1997 AR226-1793 RJoOKOKpzYVmjXn0wLoOna28 2
The document discusses recent research on the thermal decomposition of perfluorooctanoic acid (PFOA), highlighting its use as a surfactant in emulsion polymerization for fluoropolymers, the environmental impact of its atmospheric losses, and the search for less toxic alternatives. 1997 AR226-1794 11r1o6V9ppNvY0XB0DrxjYBa 9
The document reports the results of soil and groundwater analyses for perfluorooctanoic acid (PFOA) conducted by 3M Environmental Laboratory at the E. I. DuPont de Nemours and Company facility in Parkersburg, West Virginia, indicating PFOA concentrations in groundwater samples ranging from 49 to 53 ppb. 1997 AR226-1795 KRZaZOE8Ezn6Eg8mov2ro1wYx 125
Unreadable document. 1996 AR226-1996 XOQQkGkjg0z8xazznY0rOQ3ZJ 2
The memo discusses recommendations for medical surveillance and exposure control measures for biopersistent fluorochemicals, specifically C-8 (PFOA), at Washington Works and Fayetteville Works, emphasizing the enhancement of engineering controls, ongoing air sampling, and biomonitoring efforts. 1996 AR226-2023 byM8yKVVojwVyVONVB6v966ZD 3
The document details a follow-up on C-8 (PFOA) industrial hygiene by presenting the results of job reviews and interviews conducted to understand exposure routes for employees with varying blood levels of C-8 at Playtis Polymers. 1996 AR226-2024 MJD22NBY1DoZrjMbZwpBd5pj 5
The document discusses a meeting regarding the biodegradation of C-8 (PFOA) and inquiries about identifying impurities in C-8, with correspondence between DuPont employees John Migliore and David Ellis. 1996 AR226-1787 ppj787wqp4vkM16aLjggMBq4X 3
The document discusses the potential for conducting preliminary biodegradability studies on C8 (likely referring to perfluorooctanoic acid, PFOA) and highlights concerns regarding its persistence, while suggesting collaboration with external laboratories for more detailed assessments. 1996 AR226-1788 JJNV0LBDargQBYgD8JnJNEgEO 2
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
Unreadable document. 1994 AR226-1994 ZLE5qrB02dmEqL3kwGpr5MY0 4
The Washington Works Industrial Hygiene Report from January 1994 to May 1995 indicates various sampling results for fluorocarbon compounds, specifically noting concentrations of PFOA and PFOS below detection limits in multiple locations, with one instance showing a concentration of 0.02 MPB. 1994 AR226-2081 BRR4dOXNQBvJwBadOxELoba7m 5
Unreadable document. 1993 AR226-1993 mpb8eBrqxyqajNQ46w2z6ObvB 1
The document outlines the environmental performance metrics related to the use and release of perfluorooctanoic acid (C-8 or PFOA) at various production sites, indicating significant amounts released to the environment and compliance status for worker exposure monitoring. 1993 AR226-2019 RaGoL1VZeKeoYkjvjgmKDV8eV 6
The document discusses the monitoring and health assessments related to C-8 (PFOA) exposure at DuPont's Washington Works facility, concluding that there is no significant evidence of liver disease among exposed employees, while recommending continued monitoring and screening. 1993 AR226-2020 OJX1mx2kyoK5xZQk6ZVQy1YrM 1
The document reports increased Industrial Hygiene Air Sampling results for C-8 (perfluorinated compounds) in various sample locations in 1998 compared to 1997, indicating higher exposure levels in several areas of the facility. 1993 AR226-2040 mpJ1VbJbXrpwDeL6oY125oLnO 2
The document provides a review of PFOA usage and environmental release data from various production sites, indicating that in 1992, a total of 121,100 pounds of PFOA were used, with 96,700 pounds released into the environment, representing 79.8% of the amount used. 1993 AR226-2070 6Br6kY4J4BKnzVZMOYML8VBz4 6
Unreadable document. 1992 AR226-1992 oDEz5KO4vR2qV440a7rErgyNo 2
The document outlines a study on the early-life stage toxicity of ammonium perfluorooctanoate (APFO) in rainbow trout, conducted under OECD Guideline No. 210, with completion on August 1, 2003. 1992 AR226-1803 oj6j1V3NzX47NqkZ9OqREz1R 112
Unreadable document. 1991 AR226-1991 RJg2bmLXzEnnqy89mzY8QKgV 1
The document reports on personnel air monitoring for C-8 (perfluorooctanoic acid) conducted in 1991 to evaluate the effects of transitioning from powdered C-8 to liquid C-8, with results indicating that all monitored job assignments had levels well below the acceptable exposure limit. 1991 AR226-2014 NeYygDrX7BvNo2OXEmDoBmjNw 7
The document reports on air monitoring for worker exposure to C-8 (PFOA) at Washington Works, indicating that all monitored job assignments were in compliance with the acceptable exposure limit (AEL), and a liver study found no evidence of occupationally related health problems among workers exposed to C-8. 1991 AR226-2017 RaZ2KLVzMX5YRXgEXVKeNp1ek 3
Unreadable document. 1990 AR226-1990 dYpZB3RB4D0p0DMZykXnEJkbb 3
This document outlines a plan from May 31, 1990, regarding the management of C-8 (PFOA) at the Washington Works facility, emphasizing community impact minimization, personnel air monitoring, and the completion of a liver effect study while discontinuing the blood monitoring program. 1990 AR226-2012 ppB09YvbNd6Kj6a0bd3xOR5na 2
The document outlines actions for personnel protection and air monitoring related to the handling of "liquid" C-8 (perfluorooctanoic acid, PFOA) at the Washington Works facility, emphasizing the need for updated job descriptions, proper protective equipment, and equipment modifications. 1990 AR226-2013 aKVJMOd3xDa3RobLGJNLxxmR 1
The document is a yearly industrial hygiene report from Washington Works detailing various sampling results for C-8 fluorocarbons, specifically noting concentrations of PFOA below 0.03 MPB in multiple employee samples during the period from January to March 1991. 1990 AR226-2067 mq8RkQj8yDp6YNLMK2XDgqv1Q 6