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1990s

Documents dated 1990–1999.

Page 10 of 11 — 1,012 documents
Title / Summary Year AR226 Docket Hash ID Pages
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 reports on a biodegradation study of perfluorodecanesulfonate (PFDS) conducted by 3M, indicating that while the non-fluorinated moiety butyl cellosolve is likely to be biodegraded in aerobic environments, the potential for biodegradation of the fluorochemical component remains uncertain. 1991 AR226-0382 K84QddMedJG9KGOYNJRbd9EK 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
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
The document discusses Washington Works' plan to increase the discharge of the surfactant C-8 (Ammonium Perfluorooctanoate) to Chambers Works for treatment, evaluating its fate in the wastewater treatment system and confirming that the increased discharge will not affect their NPDES permit. 1991 AR226-2736 mm6867L3kMz8wnG8Gxj7rQonQ 5
The document discusses the assessment of ammonium perfluorooctanoate (C8) at the Spruance Fibers Plant by E.I. DuPont de Nemours & Co., revealing that C8 levels in various samples align with previous estimates and calculating a worst-case river concentration of 0.4 ppb. 1991 AR226-2269 gvpBV7npGL06woQmQB2oL0dL 1
This document appears to be a laboratory data report detailing analytical results for a component labeled ET-C8, with various standard sample areas and mass ratios recorded on September 6, 1991. 1991 AR226-2416 2NKx3Dk4YReEQDVQdY9K6kGVb 6
The document outlines a work plan for a Verification Investigation (VI) and a RCRA Facility Investigation (RFI) related to C-8 (PFOA) sampling, detailing the analysis of water and soil samples to assess contamination levels and future monitoring needs. 1991 AR226-2418 Ea6rKR0avajmywz2BxvE80mn 2
The document outlines the conclusions from a November 1991 interlaboratory meeting regarding the analysis of C-8 (perfluorooctanoic acid, PFOA) in water, determining that CH2M-Hill's methods are preferred due to lower detection limits and costs, while discontinuing the practice of adjusting results from the Experimental Station. 1991 AR226-2420 rem00Y772EQVJq5wqnJbe4Goa 3
The document reports the detection of PFOA in contaminated soil and groundwater at the Washington Works site, including various sampling results from wells and discharge areas, indicating potential environmental and health concerns. 1991 AR226-2529 DMDydvpy1oVObNndxM3xGB4Zd 1
The document is a conditional approval letter from the EPA to Du Pont regarding the RCRA Verification Investigation Work Plan for their Washington Works Plant, specifically addressing sampling requirements for leachate, groundwater, and soil related to PFOA and PFOS contamination. 1991 AR226-2537 2jeeo549JL3vyBYdmvOMy2Ln7 4
The document reports a skin irritation test conducted by E. I. du Pont de Nemours and Company on a test material, which resulted in slight erythema but no edema in rabbits, indicating that the material was a slight skin irritant. 1991 AR226-2952 Ex69E2MQEV94JYYV4XdD6GN6j 9
The document reports on a study conducted by E. I. du Pont de Nemours and Company that determined the approximate lethal dose (ALD) of a test material in rats, finding it to be greater than 11,000 mg/kg, indicating very low toxicity. 1991 AR226-2953 QkZ4M6gOm9L1m8jjVg84Bd4oo 8
The document reports on a study conducted by EnviroSystems Division Resource Analysts, Incorporated, assessing the static acute toxicity of perfluorinated compounds to the freshwater alga Selenastrum capricornutum, completed on April 15, 1991, for E. I. du Pont de Nemours and Company. 1991 AR226-2955 wrKemg9ER3rN4VqkGXoMGwd9D 20
The document reports on an eye irritation test conducted by E. I. du Pont de Nemours and Company, which found that the test material caused mild conjunctival redness in rabbits but no corneal damage, with the unwashed eye returning to normal within four hours post-treatment. 1991 AR226-2956 Nz1nvzMJo0ZN4NxN4a2xDmpD 12
The document reports on a study conducted by E. I. du Pont de Nemours and Company, which determined that the approximate lethal dose (ALD) of a perfluorinated compound administered orally to male rats was greater than 11,000 mg/kg, indicating very low toxicity. 1991 AR226-2957 QJxbRNRJwXVnDZxXROLaZoL2k 7
The document reports that a study conducted by DuPont's Haskell Laboratory on May 20, 1991, found that the tested material, likely a perfluorinated compound, did not cause eye irritation in rabbits, indicating it is not an eye irritant. 1991 AR226-2958 wg5L3NRNoqxRJgGm8nVaZ8ea6 13
The document is a study report from Du Pont detailing a skin sensitization test conducted on guinea pigs, compliant with Good Laboratory Practices, for a substance identified as an amber dispersion, with the study completed on March 25, 1991. 1991 AR226-2954 DGw7kR6GbemK3K6qXpZM6JKGa 74
The document reports a skin irritation test conducted by E. I. du Pont de Nemours and Company on a test material identified as BIX 325-91, which was found to cause mild skin irritation in rabbits. 1991 AR226-2959 EvkyrJakmwXxM3BmRX2DgJRRL 9
The document is a study report by E. I. du Pont de Nemours and Company, authored by Kevin N. Baer, Ph.D., detailing the static acute toxicity of a chemical (likely PFOA or a related perfluorinated compound) to Daphnia magna, conducted under OECD guidelines and completed on June 26, 1991. 1991 AR226-2960 VGMRERz6N0V2o1Orya2dQyMg 15
The document is a study report by E. I. du Pont de Nemours and Company detailing a static, acute 96-hour LC50 test of PFOA on fathead minnows (Pimephales promelas), conducted according to EPA Good Laboratory Practice regulations. 1991 AR226-2961 Ex8d20pGZENYYXpZpnGrrwLYV 16
The document details a skin sensitization test conducted by Pharmakon Research International for E. I. du Pont de Nemours and Company on a substance referred to as Du Pont HLO 432-91, completed on July 31, 1991, in compliance with Good Laboratory Practices. 1991 AR226-2962 1QrM7zb7Y1ZkxrLj2Yqgad9Ed 60
The document is a study report by Du Pont, authored by Kevin N. Baer, Ph.D., which evaluates the static acute 96-hour LC50 toxicity of a substance to juvenile fathead minnows (Pimephales promelas), concluding that the substance is moderately acutely toxic. 1991 AR226-2965 VGrv54BN1MRJL7Bn4wa5qdOaq 12
The document reports on a study conducted by E. I. du Pont de Nemours and Company that determined the 96-hour LC50 of PFOA in fathead minnows (Pimephales promelas), indicating that PFOA was not acutely toxic at the highest tested concentration of 5000 µg/L. 1991 AR226-2964 e5no1Go0kq6mRERQv2vyQJELy 14
The document is a compliance statement for a sensitization test conducted on guinea pigs using a test material from Du Pont, specifically related to the study HLO 433-91, which was completed on August 14, 1991, and adhered to Good Laboratory Practices as outlined by the EPA and FDA. 1991 AR226-2963 ga7myRQnmqxwBg3xrG8R9rzy3 68
The document is a report from Du Pont detailing a 100-person repeated insult patch test conducted by Biosearch, Inc. on a substance related to Du Pont Chemicals, completed on October 11, 1991. 1991 AR226-2966 X7aoYxL3JLwXkbdw6DLzLLXjd 17
This document outlines a method developed by rH?M HILL, INC. for the low-level determination of FC-143 (ammonium perfluorooctanoate) in water using capillary gas chromatography with electron capture detection, specifying procedures, safety precautions, and detection limits. 1991 AR226-2727 Naz128aXZvayENBn8OEL8mv8 21
The document is a progress report from CKMHILL to E.I. Dupont de Nemours detailing the development of an analytical method for measuring FC-143 in water at levels below 0.1 ppb, with ongoing method refinement and testing. 1991 AR226-2728 zdz1zkjwvEnmawOBQYLZMZMka 18
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that while the majority of the product components are readily biodegradable, no reliable conclusions can be drawn due to the incomplete characterization of the mixture's components. 1991 AR226-0714 ymB24je2On3E2gYydeKydJRb2 5
This document details a Microtox toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample is composed of 1.34% PFOS among other components, although the data may not accurately reflect the toxicity of the fluorochemical due to incomplete characterization of impurities. 1991 AR226-0728 ON0aoaEpyKgEjLmd7pDND8ej 7
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, comprises 1.34% PFOS among other components, and outlines the methodology and conditions under which the test was conducted. 1991 AR226-0729 QXm5Ledq9dwJrL5pxgeVDNVj6 20
The document summarizes a 1991 study on the environmental effects of a mixture containing perfluorooctanesulfonate (PFOS) as part of the Light Water Brand AFFF, detailing its degradability and aquatic toxicity with various test results indicating significant toxicity levels in different aquatic organisms. 1991 AR226-0734 6RBXYBeGjwnbqZd2vR4yYg7v9 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, indicating potential toxicity. 1991 AR226-0735 7Rnrbza43g6XN4BKLrE1qxgZa 34
The document details an acute toxicity test on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) conducted on Daphnia magna, using OECD Method 202, with findings potentially affected by impurities in the test sample. 1991 AR226-0756 Qgov5N5NDY6nqRjqGM3L5pD97 17
The document details a toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on the algal species Selenastrum capricornutum, using OECD 201 and EPA methods, to assess the acute effects of the substance on aquatic plants. 1991 AR226-0757 bBXQ2qYp7rvwv182DzpmEo6q3 18
This document reports the results of a biodegradation test for a mixture containing perfluorooctanesulfonate (PFOS) conducted by Pace, Incorporated at the request of 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 1991 AR226-0759 G6jgrVpVj0O8EjxkR36zZ5JMx 4
The document details a Microbios Microtox toxicity test conducted on a mixture containing 1% PFOS, revealing the test conditions and methodology used to assess the acute toxicity of the substance on the organism Photobacterium phosphoreum. 1991 AR226-0762 omymkgwdR9GoQa9NQvD8pkm8r 8
The 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 at concentrations above 1000 mg/L. 1991 AR226-0758 V3zDboYRwgoMqQkjDKjxo3wbq 35
The document details a toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) using the algal species Selenastrum capricomutum, following OECD guidelines, to assess its impact on aquatic plants. 1991 AR226-0763 XOj7BZ5eo3Q7LmVN0bG5pbkKy 18
This document details an acute toxicity test of a PFOS-containing mixture (FC-206CE) on the aquatic invertebrate Daphnia magna, indicating that survival was greater than 50% at all test concentrations over a 48-hour exposure period. 1991 AR226-0816 RarB9Kkev69woEo3ayqy0baqE 17
The document details a toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) on the aquatic plant species Selenastrum capricomutum, indicating that the test sample's purity was not fully characterized and may not accurately reflect the toxicity of PFOS. 1991 AR226-0817 93pZXgdd3bEoBdmJE000LEGg3 18
This document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company, revealing Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) values but noting that the degradation potential of the fluorochemical component is not accurately reflected due to incomplete characterization of the sample. 1991 AR226-0819 KJ4wjywV79k8jngDk1Mb5B1j6 4
The document summarizes a 1991 study on the environmental effects of a light water brand AFFF containing 0.92% PFOS, indicating high biodegradability (89-92% in 14 days) and various aquatic toxicity levels for different organisms, with the source of the data being studies conducted at the request of 3M. 1991 AR226-0818 X2kBmNMKv3D8x92a4bJ1K37K 35
The document reports on an acute toxicity test of a mixture containing perfluorooctanesulfonate (PFOS) conducted on fathead minnows (Pimephales promelas) using OECD Guideline 203, with the test sample identified as FC206CF, which consists of 0.5% PFOS among other components. 1991 AR226-0820 gbwwyGnxen0DV8E90kb8qqm8e 17
The document details an acute toxicity test of a PFOS-containing mixture (FC206CF) on Daphnia magna, conducted under OECD Guideline 202, indicating that the test sample comprised 0.5% PFOS among other components, with the study noting that data may not accurately reflect the toxicity of the fluorochemical due to impurities. 1991 AR226-0821 MMExQqE0KMmRNyxYe38DoQM0L 17
The document reports on a Microbios Microtox toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) from 3M, revealing that the 5-minute EC50 value is greater than 100 mg/L, indicating low toxicity at the tested concentrations. 1991 AR226-0822 RJevZ8GDL2o6MY3j9OG8KN2pE 6
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 MJw57886zOyNnXqkkoanqQ3gx 61
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 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 but suggesting associations between PFOA levels and male reproductive hormones, particularly in older men. 1990 AR226-0473 rgm1ayY2kBR1kKXdeyp1nmKJ 294
The document reports on the completion of health examinations for 426 individuals associated with 3M's Chemolite operations in 1990, including blood fluoride tests and hormonal assessments to evaluate the effects of fluoro-chemicals, with a participation rate of 84%. 1990 AR226-0485 aJZNmMv8nMYY2egv9Ndgm32MB 4
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 both greater than 1,000 mg/L, suggesting low toxicity at the tested concentrations. 1990 AR226-0514 ykbQy4G96GyRQLZDELax273J2 7
The document reports on a Microtox toxicity test conducted on a test sample of 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. 1990 AR226-0515 3pqNoYY4jwD88Bjxa3nKeyrD 6
The document details an acute toxicity test of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted on juvenile Pimephales promelas (fathead minnows) using a test sample (FX-1003) with unspecified purity, following OECD 203 guidelines. 1990 AR226-0516 3JvE0KXMkYLZ41jee85B2b17E 25
The document details an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) on the aquatic invertebrate Daphnia magna, conducted by 3M, using a test sample (FX-1003) with unspecified purity and composition, under OECD guidelines. 1990 AR226-0517 r6yZ5xz1gR0ZDrE8K0eawXpr 25
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
The document is a correspondence from DuPont de Nemours Company regarding the submission of required plans and information related to their hazardous waste incinerator permit, which includes details on groundwater monitoring and past releases of ammonium perfluorooctanoate (PFOA) affecting local water supplies. 1990 AR226-2406 jg4pmMeq91GyLkb1bq61D45Bk 2
This memorandum discusses the status of the C-8 program related to perfluorooctanoic acid (PFOA) at DuPont, highlighting community concerns about potential contamination in the Lubeck water system and ongoing monitoring results from various site wells and the DuPont Letart landfill. 1990 AR226-2407 4QJ1yR2Vd2zE4xx5Qa5YkGwda 3
This interoffice memorandum corrects the reported concentration of PFOA in Test Well #27 from 16 ppb to the accurate measurement of 1.6 ppb. 1990 AR226-2411 R0n6KyDya7LpyEDD6Jz79bQn 1
The document outlines a verification investigation work plan by E. I. Du Pont de Nemours & Co. for assessing waste characterization and hydrogeological conditions at various sites, including landfills and incineration facilities, in relation to potential contamination from perfluorinated compounds like PFOA and PFOS. 1990 AR226-2536 rRjejK6O3n68x3m91O61mw5J 71
The document reports on a study conducted by E. I. du Pont de Nemours and Company, which found that the approximate lethal dose (ALD) of a Jimber dispersion material administered to male rats was greater than 11,000 mg/kg, indicating very low toxicity. 1990 AR226-2945 M70gQQXbq0GYXdQ5wyDmne7a 7
The document reports that a study conducted by E. I. du Pont de Nemours and Company evaluated the acute skin irritation potential of a test material in rabbits, finding that it produced no irritation under the study conditions. 1990 AR226-2946 v67gn9d2RQv7a4kKE2KLg4gMR 8
The document reports that an eye irritation test conducted by E.I. du Pont de Nemours and Company on a test material assumed to be stable showed no irritation in rabbits, indicating that the substance was not an eye irritant. 1990 AR226-2947 MM6N5ODx1LE15GoXB4M4GO9jj 11