Undated

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Page 10 of 18 — 1,728 documents
Title / Summary Year AR226 Docket Hash ID Pages
Unreadable document. AR226-2373 5Lg7NXwzXvaOQz2KV6wG3G1yV 1
The document discusses the varying levels of C-8 (PFOA) detected in samples from a wet finishing system at Dordrecht, with specific results indicating significant fluctuations in concentration over a two-hour sampling period, and questions the impact of moisture content on these variations. AR226-2374 G67gqxY1JREObEMvgEV8yMEQm 2
Unreadable document. AR226-2375 EmNg5R5yRYQzDQqj9Z1R53mnL 2
This document appears to be a computation sheet detailing assumptions and calculations related to air emission rates and deposition loads to the Cape Fear River, including average conditions and concentration estimates. AR226-2372 kpyGx51rJbVbxzvX9yLzJ48b 46
This document outlines a method for determining the equivalent C-9 dispersing agent in FEP dispersion using titration with cetyltrimethylammonium bromide, detailing the procedure, safety considerations, and calculations involved. AR226-2376 KJddXbxKxKzbOdBqMM4r0wB2X 2
The document reports on tests conducted by E.I. du Pont de Nemours & Company regarding the levels of extractables from high solids dispersion resins, specifically TD-37X, and confirms that the results comply with the specified limits for PFOA and other extractables. AR226-2377 x5X9mVNJBZe3E6D7VVzDk0G3m 2
The document outlines the environmental status and health monitoring related to C-8 (PFOA) exposure among employees, detailing findings of elevated organic fluorine levels in blood samples, the establishment of provisional acceptable exposure limits, and the lack of conclusive evidence of health problems associated with C-8 exposure, while also noting that DuPont was informed of potential birth defects linked to C-8 in animal studies AR226-2381 OzLxL724N1YOR82gBGrpO2egw 14
Unreadable document. AR226-2382 mX99BMZBv7OzD06BbBnM84GQ 1
The document compares PFOA levels in water samples taken on March 13, 1984, and June 4, 1984, from locations including Little Hocking, with the June samples showing a decrease to not detected levels. AR226-2384 mmqE9QppGNXzvv8r6Rn1qkBdO 1
Unreadable document. AR226-2394 rpLg6kY29qXQek5gn2DZ17q0 1
The document outlines the status and goals of the C-8 (PFOA) Reduction and Control Programs, emphasizing the need to reduce public exposure through engineering controls and protective equipment, while reporting that PFOA is not teratogenic, embryotoxic, or mutagenic, and has a moderate toxicity level. AR226-2393 LggepOBEK1pz8716ddmK41VYQ 26
This memorandum outlines a routine groundwater testing program for C8 (PFOA) to be conducted by ESL, with samples taken every six months from various water systems and ponds, emphasizing improved sampling methods. AR226-2395 Rp10xQ64ybraXg1V2YOGYRv6v 1
The document details emissions and environmental monitoring data related to C-8 (PFOA) from the Washington Works facility, including off-plant emissions, levels in drinking water, and planned environmental programs for remediation and monitoring. AR226-2399 9Jd930kX4X7MZ8ekpbVJdGBDp 5
The memorandum discusses test results for C8 (likely referring to PFOA or PFOS) in water samples from Letart upper and lower ponds, indicating varying concentrations from 0.5 to 3.6. AR226-2408 6be2XYZON5KMZkj2XD23dYG3d 1
The interoffice memorandum discusses test results for C-8 (likely PFOA or PFOS) in water samples from Letart upper and lower ponds, indicating concentrations of 0.4 to 1.5 ppb across various dates in 1990. AR226-2409 NedreejqgVd8j0qXNwM7kqxOy 1
The memorandum discusses test results for C-8 (PFOA) in water samples from Letart Upper and Lower Ponds, indicating varying concentrations of PFOA, with a notable level of 16 ppb detected in Test Well #27. AR226-2410 dQgeoX1p0DnQBYMm289kOLNKR 1
This is a DuPont transmittal memo regarding perfluorooctanoic acid, identified by code number V 2408000, with no analytical content retained in the OCR. AR226-2413 VJEKKr8gG3LONx577j4gVO7pp 1
This document appears to be a summary of water sampling results from various locations, including home taps and wells, with analytical data indicating concentrations of contaminants over multiple dates. AR226-2414 wg7NXd2pVzd5JjR8Mjm9qb3Nd 3
The document presents water sample results for C-8 (PFOA) collected from various wells and the Ohio River, comparing findings from Experimental Station and CH2MHILL, indicating significant levels of PFOA in some samples while others were not detected. AR226-2415 XRBZr0a2pD59q6pOVMOvwn5EG 1
This document appears to be a summary of water sample results from various locations, including wells and plant sites, with dates of sampling and corresponding analytical results, some of which are marked as awaiting results or suspect due to analytical technique accuracy. AR226-2417 GmeLy3MO4ZkY8QQrpLR4Zd2e4 14
Unreadable document. AR226-2419 M4XkG9LJRRwYaDDDxd1RG8k69 1
The document presents results from river and well water samples taken by Dan Weber, indicating the presence of PFOA at varying concentrations, with non-detectable levels reported in several samples. AR226-2421 ZJeggRnBQg8j148Vepjzmndmd 1
The document summarizes groundwater monitoring results from Letart Landfill in 1992, reporting FC-143 (ammonium perfluorooctanoate) concentrations in various wells, with results ranging from 0.2 to 1.3 µg/l, while other organic compounds were detected at higher levels. AR226-2422 bZzON34pD4bn4mGL9Ez2DQ36 2
The document outlines annual exposure estimates for perfluorooctanoic acid (C-8 or PFOA) at various production sites, including Washington Works, Dordrecht, and Shimizu, while detailing compliance measures with federal and state regulations regarding C-8 emissions and employee exposure limits. AR226-2423 2JweZRkGK72vprERD83wByawR 26
This document summarizes groundwater monitoring analytical results for FC-143 (perfluorooctanoate ionic surfactant) at the Letart Landfill, indicating various concentrations detected at multiple sampling locations between January and November 1991. AR226-2424 KYyapa6yB9aNyXJnq2GNavq6 1
The document presents monitoring results for the discharge of ammonium perfluorooctanoate (FC-143) and other volatile organic compounds (VOCs) from the IETART Landfill, indicating varying concentrations over time, with some results below detection limits. AR226-2427 KyzqZdzpL1ZDE0Grzz4aVBZ0 1
The document is a letter from DuPont's Environmental Manager, W. M. Stewart, to Dr. L. Eli McCoy of the WV Division of Environmental Protection, summarizing agreements on the conceptual closure plan for DuPont's Letart Landfill and indicating that a closure permit application will be submitted in July 1993. AR226-2429 JrEZyke2rYMnDxzqXBrg4d36O 4
The memorandum discusses recent sampling results of C-8 (PFOA) in the drinking water at Washington Works, revealing levels between 0.1 and 3.3 parts per billion, which are higher than expected but not considered a health threat to employees, while noting that further investigation will be conducted by the environmental group and C-8 team. AR226-2431 NnzEqOp9R2vew9EeO0Gj0Zgg 3
The document is a letter from DuPont Polymers to the EPA summarizing the results of ammonium perfluoro-octanoate (FC-143) and Triton X-100 analyses from a Local Landfill Verification Investigation, indicating that all samples were analyzed according to protocols and noting the absence of Triton X-100 in one sample location due to dry conditions. AR226-2433 QkBDqkqjQZzEYMbY20kQ74Jq4 2
The document discusses recent sampling results of C-8 (PFOA) in the drinking water at the Washington Works site, revealing levels between 0.1 and 3.3 parts per billion, which are considered high but not a health threat to employees, as they remain compliant with corporate exposure limits. AR226-2432 Dvxwp0pjy9r5MjG2Z7qeEJ85 3
The document outlines a proposal for uniform sampling and analysis procedures for C-8 (PFOA) to ensure consistent results across different sites and years, emphasizing the need for standardized methods in sample collection, concentration, and preparation. AR226-2434 reQoZZKpyDLxmqZQJ2reJ1O7r 5
The document is a correspondence from Roger Zipfel requesting 3M to share their electrospray method for C-8 (which includes PFOA) detection with DuPont as part of a secrecy agreement. AR226-2438 pz9egMJ2XjL5KnQ8L8RMyg8X 3
The document discusses the analysis of a sample (SMCFEP-14-2) to determine the presence of C8 (perfluorooctanoic acid) using mass spectrometry, concluding that C8 may be present in a less volatile salt form based on the evolved gases at different temperatures. AR226-2440 jgbpgwpE1dm5O9zxED0kQXXJy 1
The document reports analytical results for C-8 (PFOA) in a special batch of FEP dispersion, indicating an average concentration of 980 ppm, which is consistent with the expected recipe concentration, suggesting no significant vapor escape from the autoclave. AR226-2442 OEEo7m7Xg22BQooVk2mvLwr5p 1
This is an email correspondence regarding the C-8 Biofate Program well sampling, indicating a need for discussion with Dave Ellis before making changes to the current program. AR226-2445 b5YzMO61B43YwGO3p3my4oJ3y 1
The document discusses varying concentrations of C-8 (PFOA) in samples taken from a wet finishing line at Dordrecht, with results indicating a decrease in PFOA levels over time and uncertainty regarding the cause of this variation. AR226-2446 7YMLaZgggO9RzyoXj3bp1zBR 2
This is a fax cover sheet from 3M Environmental Technology & Safety Services regarding soil sample analysis, with reference to AR226-2450 and associated data on fluoride levels. AR226-2450 pebwamgwN31aekRj28oaXEbOD 2
The document presents analytical data from CH2M HILL regarding the detection of perfluorononanoic acid and perfluorodecanoic acid in a water sample (WELL-331) extracted on June 26, 1990, with varying recovery percentages. AR226-2452 jg83mE0rw7VDeE464VL3OyrDO 1
The document presents organic analysis data from CH2M HILL Lab indicating low concentrations of perfluorononanoic acid and perfluorodecanoic acid in a water sample (WBII^-33g) extracted on June 26, 1995, and analyzed on July 8, 1998. AR226-2453 a1rY8rqVZRnV46RG2MDOeomBy 1
The document provides a summary of groundwater sampling results for PFOA and other compounds from two sampling events at DuPont's Washington Works facility, indicating various concentrations and comparing them to established standards. AR226-2458 qa91ExGEy2mvGkpNmDGvq17Jn 3
The document presents analytical results for the perfluorinated compound FC-143 (likely a reference to PFOA/PFOS) from various sampling locations including ponds and streams, with results indicating varying concentrations across different dates and sites. AR226-2457 byZRXNqjpB9jJbOXVonvOBV2k 5
The document discusses the lack of recent data on C-8 (PFOA) levels in drinking water from DuPont sites, with a focus on groundwater contamination in Parkersburg and requests for updated information from Dordrecht and Shimizu. AR226-2459 Vj5zrqXvYRD1yeJwzpy1vd9yZ 3
The document discusses groundwater contamination levels of C-8 (PFOA) near old disposal ponds in Parkersburg, with reported concentrations as high as 1500 ppb, indicating a significant environmental issue. AR226-2460 pBZa00bYKdDQXRZ5Nrq8bVzRX 1
The document is an email from Roger J. Zipfel to Gerald L. Kennedy and Anthony J. Playtis discussing the need for a phone discussion regarding allowable levels of C-8 (PFOA) in drinking water for employees at a DuPont site, in light of recent data and groundwater issues related to an adjacent GE plant. AR226-2461 qaq4eDy88n9bjj0rkJQ36doej 1
The document discusses high C-8 (PFOA) results found in the FEP slab rack area and Fine Powder C-8 recovery building at DuPont, indicating levels close to the action exposure limit (AEL) and suggesting the need for investigations to determine the cause. AR226-2463 ypmEoK6dJrBqmVYwqg5jX5m3 1
The document outlines communication points regarding C-8 (PFOA) testing results from GE Plastics, indicating that early June testing of GE drinking well showed concentrations below 3 ppb, which is lower than the threshold limit value (TLV). AR226-2462 2jzZvgwKR56DBbG81LgkMYdXr 3
The document summarizes analytical results from samples taken on 07/22/99 and 12/29/99 from various wells and stream sampling stations, indicating the presence of perfluorooctanoate (PFOA) with specific concentration levels reported for each location. AR226-2468 G9z42G47L87makxm8od6MVm 1
The document is a letter from R. L. Ritchey of DuPont to Mr. James C. Cox of the Lubeck Public Service District, providing analytical results for water samples taken from three wells on April 19 and May 24, 2000, with a note that the May 24 sample was a resampling due to breakage of the original container. AR226-2473 2Re2009qNgaqB513mRzwenDX7 5
The document is a communication from DuPont personnel discussing a test matrix for C-8 (PFOA) from various sources, indicating ongoing updates and requests for feedback on the accuracy of the information presented. AR226-2474 JJ70Qbj6BG1jxM1yNEZepwg2v 1
Unreadable document. AR226-2484 wr8eboyqnygxZ79RLzvYn2DLV 1
The document contains analytical results for water samples taken from Lubeck Public Service District wells on February 28, 2001, indicating issues with quality control limits for certain compounds, although specific results for PFOA or PFOS are not mentioned. AR226-2487 0qdeXBM2mQXqryoEvL7ZD12bR 6
The document provides analytical results for water samples taken from three Lubeck Public Service District wells and the main waterline, analyzed for perfluorinated compounds using two different methods. AR226-2491 BB6xmdBM0o3Y3zDw9qzoYO8 1
The letter outlines the operating procedure for treating supernate discharge at the Washington Works facility, specifying that ammonium perfluorooctanoate (PFOA, referred to as FC-143) concentrations must be below 10 ppm before discharge through the filter system to Outlet 005, and includes monitoring for foaming and visible solids during the process. AR226-2499 EqgJxavzZYK8apg2MKwD5Jw1N 2
This is a Lancaster Laboratories analytical report prepared for DuPont de Nemours & Co regarding a sample collected on July 35, 2001, with job number 7035-5074. AR226-2498 DM4XjR3nrO64de87aYbaee8nB 12
The document reports the results of water sampling for FC-143 at Washington Works, indicating significant levels of the compound detected at outlets 002 and 005 in October and November 2001. AR226-2504 dYmGagXYN5LmQ3GZgwoJ11aDe 1
The document presents analytical results of PFOA concentrations in public water systems along the Ohio River, showing a range from non-detectable levels to 6.2 µg/L at various well fields, with the highest concentrations observed at the LitHkg site. AR226-2505 aJxdwGJg78zBGbYgLMxMXY48R 1
Unreadable document. AR226-2506 a1XoYeByQ2qaZvLB25wD3n2YR 2
This document appears to be a series of analytical results and standard plots related to a study, with references to various measurements and calibration data, but lacks clear context or identification of the specific analysis performed. AR226-2510 Mbxzq9LGXXpyLdyprpXDjdyM 5
The document discusses the analysis of an acidic waste sample for APFO (ammonium perfluorooctanoate) by GC testing, revealing no APFO presence after neutralization with NaOH, but successful detection of spiked APFO using HPLC, indicating a promising method for future analysis. AR226-2520 byme7087jDwNqjwX76Yb7ggG1 1
This document appears to be a communication from a laboratory regarding water sample results, specifically detailing analytical findings for various wells and Ohio River locations, with some results indicating non-detection of contaminants. AR226-2525 EvM4yjEV4og7vErQwnZyY0xDn 1
This document presents a comparison of recent water sample results from Experimental Station C-3, detailing concentrations and surrogate recovery percentages for various duplicates analyzed by CH2M Hill. AR226-2527 91YK7ZNaV6zRz1eykdeKpMN4L 1
Unreadable document. AR226-2526 VjLLzZEaE86d5yb00x3J1Ldp8 1
Unreadable document. AR226-2528 pwbjMVzQJQDB0nRBQZaJa99w 1
Unreadable document. AR226-2530 X78rdO0MB7MJozaJjJV66NjG 2
This is an agenda for a C-8/Water meeting scheduled for November 7, discussing global C-8 issues, verification investigations, future sampling needs, client services, methods discussions, and the path forward, with various participants listed. AR226-2532 VJdaXXGLDXMvRekJjBRnK3pbZ 2
The document presents analytical results comparing the concentrations of perfluorooctanoic acid (PFOA) in rat blood samples using gas chromatography and Vickbold Torch analysis, indicating varying levels of PFOA across different sacrifice tubes and time points. AR226-2531 gDgqaz1ZVJMZD5jXYbLGvwrJe 6
The document discusses the measurement of residual C-8 fluorosurfactant levels, specifically "Fluorad" FC-143, in various TEFLON-based products following teratogenic findings from 3M Company, noting that low levels of C-8 (1-5 ppm) have been detected in TEFLON fine powders and granular resins. AR226-2533 XOogYkX7Okj7doJnj9vKrNJXy 3
The document reports on a subchronic toxicity study conducted by DuPont on female rats, evaluating the effects of a 90-day gavage exposure to a substance (likely PFOA or PFOS) with findings of various liver lesions at different dosage levels. AR226-3220 dQ3xkN8gopJqaxJQO5NbgGBBB 275
This document is a supplement to a biopersistence screening study on PFOA conducted by DuPont, detailing the methodology and findings from a 10-dose oral gavage study in rats, completed on August 29, 2000. AR226-3227 KGKpBL49ZpwJV7EN0pXwaVOoX 41
This is a final report from Covance Laboratories (Study 22900-0-4090ECD) detailing a mammalian microsome reverse mutation assay conducted between October 2001 and February 2002. AR226-3228 Dvq0wNkVOVNm8K6Mp8mOYMZYn 39
The document details a subchronic toxicity study conducted by DuPont on rats, evaluating the effects of a test substance (likely PFOA or PFOS) over 90 days, with findings indicating no significant macroscopic abnormalities in various organs and minimal biliary hyperplasia in the liver. AR226-3222 rpk0D2GXZrXqgyRyxEgDX9z87 280
The document is a subchronic toxicity study conducted by DuPont on rats, evaluating the effects of a 90-day gavage exposure to a substance (likely PFOA or PFOS) with one-generation reproductive assessments included. AR226-3221 rjLk1NDkemd864zyavD8yde 329
The document is a compliance statement for a bacterial reverse mutation test conducted by BioReliance for E. I. du Pont de Nemours and Company, indicating that the study did not determine the identity, strength, purity, or stability of the test substances, which are related to PFOA/PFOS. AR226-3229 gEyakK5nk8axngV8p46LegGJ 64
The document reports on a study conducted by E.I. du Pont de Nemours and Company assessing the effects of the substance H-24616 on the growth of the green alga Selenastrum capricornutum, finding an estimated EC50 of 870 mg/L and indicating low concern under TSCA. AR226-3231 gDqEEOjbxoav8epwggORLapbe 16
The document is a compliance statement for a Bacterial Reverse Mutation Test (Study No. H-25171) conducted by BioReliance for E. I. du Pont de Nemours and Company, indicating that the study adhered to various GLP regulations but lacked certain analyses on the test and control articles. AR226-3230 zN5m0vjJ3rVoOgMN5r3K0J20 63
This document details a subchronic toxicity study conducted by E.I. du Pont de Nemours and Company on PFOA in rats, evaluating both toxicity and one-generation reproduction effects, completed in compliance with U.S. EPA Good Laboratory Practice standards. AR226-3219 L5KGm5dLq6JovQ2M1bgJNXBq 337
The document details a bacterial reverse mutation test (Study No. H-24890) conducted by BioReliance for E. I. du Pont de Nemours and Company, indicating compliance with various GLP regulations but noting that the identity, stability, and concentration of the test substance, which is unspecified, were not determined. AR226-3233 gEL5NObw44Z92y7m8dwjJXzGG 65
The document outlines a developmental toxicity study (H-24768) conducted by E.I. du Pont de Nemours and Company on rats to evaluate the effects of a test substance, likely related to PFOA or PFOS, in compliance with U.S. EPA and OECD guidelines. AR226-3232 xjenLOrRYdV2wx69JkDq92Vd0 166
The document outlines a subchronic toxicity 90-day gavage study in rats conducted by E.I. du Pont de Nemours and Company, evaluating the effects of a test substance, likely related to perfluorinated compounds, under U.S. EPA guidelines. AR226-3234 2YRGOVaqDOy9xoqDD2Ge74eb 317
The document reports on a subchronic toxicity study of DuPont's chemical (identified as DuPont-5386) conducted on rats, revealing minimal inflammation in the liver, chronic progressive nephropathy in the kidneys, and minimal colloid alteration in the thyroid gland. AR226-3237 bB7DeoZygkpkndVRbKekLnZa3 312
The document is a final report on a 13-week dietary toxicity study of N-Methyl Perfluorooctanesulfonamido Ethanol (N-MeFOSE, T-6314) conducted by Covance Laboratories for 3M, detailing the study's methodology and findings. AR226-0615 g268xzn2OJ63Jbz95xJNO1gDq 561
The document is an analytical report from Exygen Research detailing the fluorochemical characterization of water samples received from DuPont Corporation, specifically analyzing for ammonium perfluorooctanoate (APFO) using liquid chromatography/tandem mass spectrometry (LC/MS/MS). AR226-2501 EqoyRXgVg96xwR3Or36YdornL 133
The document discusses the draft R O M permit for Du Pont's Washington Works facility, emphasizing the need for a Verification Investigation (VI) regarding potential contamination from perfluorinated compounds, specifically requesting modifications to the permit's requirements for sampling and investigation timeframes. AR226-2535 q3kd1aDy3xVXzgJ6YKQbaQV4j 4
The document reports on a study conducted by E. I. du Pont de Nemours and Co. at the Haskell Laboratory, which found that ammonium perfluorocaprylate has an approximate oral lethal dose of 670 µg/kg in rats, with observed clinical signs of toxicity including inactivity, weight loss, and liver enlargement. AR226-2744 Exoo2M5DR9L7jxgKXq94QKOwL 2
The document reports that ammonium perfluorooctanoate is slightly toxic to male rats, with an acute lethal dose (ALD) of 670 mg/kg, and indicates liver enlargement and gastrointestinal signs at doses as low as 60-90 mg/kg. AR226-2746 xJ9vD71ONE1mDd9q4qLzvEqG 2
The Haskell Laboratory report indicates that ammonium perfluorononanoate was found to be moderately toxic in male rats, with various doses resulting in both lethal and nonlethal effects, including significant weight loss and other clinical signs. AR226-2747 2NrMNZ3EvkzE9rrQaL3ZKLpjp 2
The document reports on a medical research project investigating the effects of fluorocarbon dispersing agents on liver enlargement and histological changes in rats and dogs, noting significant liver growth in rats after a single oral dose of 12 mg/kg. AR226-2745 B53kvmZ1KOwLZwpb1beBq3v0j 20
The document reports on an acute oral toxicity test of a perfluorinated compound conducted by Haskell Laboratory for E. I. du Pont de Nemours and Company, finding that the approximate lethal dose (ALD) is 450 mg/kg in male rats, with signs of liver enlargement and gastrointestinal irritation observed at lower doses. AR226-2748 6bVpgOBZj56BjY5E9LL7OpjOd 2
The Haskell Laboratory Report No. 160-69 details the toxicity testing of Ammonium Perfluorooctanoate, revealing significant adverse effects including mortality, eye damage, and respiratory distress in test subjects. AR226-2749 Ne2ngE98JarByOajd02By0zE 4
The document reports on an eye irritation test conducted by Haskell Laboratory for E. I. du Pont de Nemours and Company, which evaluated the ocular effects of Octanoic Acid, Pentadecafluoro-, Ammonium Salt in albino rabbits, revealing moderate to severe corneal opacity and conjunctival congestion over a 14-day observation period. AR226-2751 2r0pd3MdXK1y3gLwDNb2Brda 2
The document reports on a toxicity study conducted by E. I. du Pont de Nemours and Company at Haskell Laboratory, evaluating the LD50 values of ammonium perfluorooctanoate in rabbits and rats, with findings indicating mortality at doses of 3,000 mg/kg for rabbits and 1,500 mg/kg for rats. AR226-2753 a4wKxJp5kvgbgGqwaq224bEXM 3
The document reports on a study conducted by Haskell Laboratory for Toxicology and Industrial Medicine to investigate the inhalation effects of Ammonium Perfluorooctanoate on albino male rats, focusing on determining a "no effect" level following exposure. AR226-2750 awoVKag0YELJNmKqbqgKOjnM 26
The document is a Haskell Laboratory report detailing a skin absorption toxicity study of octanoic acid, pentadecafluoro-, ammonium salt, which found it to be slightly toxic in female rats with an LD50 greater than 7,500 mg/kg, accompanied by mild skin irritation and weight loss. AR226-2755 9Jzxj1vbOn76w10mbkvpD5ZZ3 2
The document reports on an oral LD50 toxicity test conducted by Haskell Laboratory for E. I. du Pont de Nemours and Company, which determined that the LD50 value for the test substance, likely a perfluorinated compound, was 96 mg/kg in young adult male rats, with various clinical signs of toxicity observed at different dose levels. AR226-2756 rpwvLGLE6r6d0Rz1yzq1ae0dE 3
The document reports on an eye irritation test conducted by E. I. du Pont de Nemours and Company on a test material, indicating that it may produce slight to mild eye irritation in rabbits, with symptoms resolving within two days. AR226-2757 qake1aVREmZvkebJ6XE4YdByM 2
This document is a Haskell Laboratory report detailing a skin irritation test on rabbits using an undiluted test material from DuPont, which showed no signs of erythema or edema after 24 and 48 hours, indicating no unusual dermatitis hazard from handling the material. AR226-2758 baekRR5N8v37okNMODZvd8eqg 2
The document reports on an oral LD50 toxicity test conducted by Du Pont de Nemours and Company on PFOA in rats, indicating that the LD50 is greater than 25,000 mg/kg with minimal clinical signs observed. AR226-2759 zoGNa27JRm7jJ9zXjKBE8wQVg 2
This is a laboratory report from DuPont analyzing the mutagenicity of a test sample, with methods and results pertaining to the assessment of bacterial revertants and controls included. AR226-2760 bayKvdxZyLoB5kRyXL4JV3p01 8
The Haskell Laboratory report details an oral LD50 toxicity test of ammonium pentadecafluorooctanoate (a perfluorinated compound) in guinea pigs, finding an LD50 of 178 mg/kg for males and 217 mg/kg for females, with various clinical signs observed at different dosage levels. AR226-2763 6wE8dMoOLDRwKyg3n5ZDQjjkE 4
The Haskell Laboratory Report No. 295-81 presents toxicity results for a perfluorinated compound, indicating an LD50 of 470 mg/kg with observed effects such as weight loss and staining at various dosage levels in test subjects. AR226-2764 xjddY2p7qrOwa6j5dD7p2Mad6 4