CD 23 — AR226-3251-3541 (except 3478-3541)

EPA administrative record segment: CD-23--AR226-3251-3541 (except 3478-3541) (226 documents).

Page 1 of 3 — 226 documents
Title / Summary Year AR226 Docket Hash ID Pages
This document consists of multiple pages marked as "DuPont Confidential," but contains no analytical content due to extensive sanitization and redaction. 2004 AR226-3324 KJ1z1wJJq9OaaBJajnjnm75e6 7
This document appears to be a summary related to the supply chain chemistry of telomers produced by DuPont for surface protection solutions, dated May 6, 2004, but contains no analytical content due to sanitization. 2004 AR226-3327 kmDX79408R3972pJ3N4XxoX6B 30
The document discusses DuPont's manufacturing processes for telomer-based products, revealing the presence of trace PFOA impurities as unintended byproducts. 2004 AR226-3329 D6xVRwgr2XaGvMyqj4mQbmE4 7
The document outlines DuPont's objectives to develop a baseline understanding of the impurity profile of their Telomer products and intermediates used in manufacturing surface protection solutions, including various applications such as textiles and fire-fighting foams, while ensuring confidentiality regarding proprietary information. 2004 AR226-3328 MGvyX3xwMgqQJjRMb53oqDXpz 68
The document summarizes presentations from the Society of Environmental Toxicology & Chemistry regarding DuPont's research on the biodegradation pathways and transformation products of perfluorooctyl ethanol (8-2 Telomer B Alcohol) and the soil-water partitioning of fluorotelomer intermediates used in manufacturing fluorotelomer-based polymers. 2004 AR226-3352 oMk9OB87N6vkrG8No9VrKb5bR 4
The document discusses the atmospheric persistence and degradation products of fluorotelomer alcohols (FTOHs) and long-chain perfluorinated carboxylic acids (PFCAs), detailing experimental methodologies for measuring reaction rate constants involving various fluorinated compounds. 2004 AR226-3360 Yr8643xvD2peOzJRwq1njZeNO 21
This manuscript reports that textiles and paper treated with a fluorotelomer-based acrylic polymer do not produce detectable amounts of perfluorooctanoic acid (PFOA) when subjected to typical municipal incineration conditions, indicating they are not a significant source of PFOA in the environment. 2004 AR226-3362 93Nxb4zOBqJDOooMDka9ggQxp 58
The document summarizes presentations by DuPont at the Society of Environmental Toxicology & Chemistry North American World Congress regarding the biodegradation and environmental fate of fluorotelomer substances, specifically focusing on the biotransformation of 14C-labeled 8-2 Telomer B alcohol and its potential microbial defluorination pathways. 2004 AR226-3363 98Gn3w9De8wbxgOaOMoaaNjq 3
The document reports on a 90-day subchronic toxicity study of 8-2 Telomer B Alcohol conducted by DuPont and other collaborators, revealing that while no mortality occurred, high doses led to increased liver weight, hepatic necrosis in males, and chronic nephrotoxicity in females, along with dental and plasma fluorine level changes. 2004 AR226-3392 vB5OZ4vamkMBnDY8Z9BYKzgJR 1
The document presents pilot results from a toxicokinetics study on PFOA conducted by DuPont Haskell Laboratory, indicating that an oral dose of 125 mg/kg resulted in significant absorption and the identification of various metabolites in rat subjects. 2004 AR226-3394 jL6MOrRDg9RjBa3RvZpKEeEk 5
DuPont submitted occupational blood monitoring summary documents to the EPA in response to a request dated November 4, 2004, regarding PFOA, asserting that the information does not trigger reporting obligations under TSCA section 8(e). 2004 AR226-3396 dQ75r83BEGNGZBzMVLvmRzQ1B 16
This document appears to be a DuPont internal report discussing the fluorotelomer supply chain and its status as of December 15, 2003, but contains no analytical content due to extensive sanitization. 2003 AR226-3323 JNEoo19x5DEEVELr5g178qDJB 37
The document summarizes presentations by DuPont at the SETAC Europe conference regarding the biotransformation of the fluorotelomer 8-2 Telomer B Alcohol, highlighting its potential environmental persistence and metabolic pathways for further transformation into other fluorinated species. 2003 AR226-3343 YrMRnk7B70LGdnor5v41yzkbD 2
The document summarizes presentations from the Society of Environmental Toxicology & Chemistry regarding the development of analytical methodologies for determining Telomer B alcohols and Telomer-derived fluorosurfactants and polymers, focusing on challenges in analyzing these substances in environmental matrices using techniques like GC-MS and LC-MS. 2003 AR226-3348 xdv8GyqR4VzBNwEbJxVBkwDEJ 2
The document discusses the physicochemical properties of fluorotelomer alcohols, specifically their vapor pressure and water solubility, which are crucial for understanding the environmental fate of these compounds, including 8-2 Telomer B alcohol used in manufacturing fluorinated surfactants and polymers. 2003 AR226-3355 nmaYZM38Dzkj6QEr94xObrRXa 1
The document summarizes DuPont's environmental fate studies on fluorotelomer intermediates, specifically the Telomer B 8-2 Alcohol, highlighting its low toxicity to aerobic microorganisms and significant discrepancies in water solubility and vapor pressure compared to environmental fate models. 2002 AR226-3341 a1KVbMwaxqma8YbGZvGrqamXN 1
The document is a technical report by DuPont de Nemours, Inc. detailing the aquatic toxicity and solubility of a fluorinated polymer intermediate, indicating that the maximum solubility observed was 5 mg/L with no acute toxicity detected in screening tests. 2001 AR226-3340 vBo7KoreqRE0L2r3O9DX20qBq 143
The document reports on the genetic toxicology evaluation of 8-2 Telomer B Alcohol, a fluorinated chemical used in manufacturing specialty polymers and surfactants, finding no evidence of mutagenicity or toxicity in bacterial and rat tests. 2001 AR226-3389 e1xLj1jEKOoLyJBR9Yrj3z26M 1
This document outlines the development and evaluation of an LC-API/MS/MS analytical method for the analysis of PFOC and PFOs in liquid surfactants, with a focus on optimizing the method specifically for PFOC while achieving good accuracy and linearity for PFOs. 2000 AR226-3335 KRkQ2O7X8mRXD13dNnXVY6zEx 6
The document discusses perfluoroalkylated substances (PFAS), particularly focusing on PFOA and PFOS, their sources, environmental presence, and toxicity, highlighting their detection in humans and biota globally, with suggestions for future research. 2000 AR226-3345 LM9RzozLw6rRn2jvo2jLQYk7 1
The document discusses the ecotoxicity profile of 1H,1H,2H,2H-Perfluorodecanol (CAS No. 678-33-7), highlighting its role as a specialty intermediate in the production of Tetomer-based Polymeric Products (TBPPs) used for textile and carpet coatings, and outlines the challenges and testing strategies developed to assess its environmental 2000 AR226-3358 ByD5pGqdgBgVBzOd4LnrM2V4j 1
The document evaluates the potential environmental exposure, persistence, and long-range transport potential of perfluorinated 8-2 Telomer B Alcohol (8-2 TBA) using multimedia models in the context of its industrial applications in Germany and the EU. 2000 AR226-3359 6wgw9Rqd8x4qnmwdpNo34aeaE 1
The document reports that ammonium perfluorooctanoate (C-8) has been determined by DuPont to be not likely a human carcinogen or developmental toxin, based on a study involving rats that showed some liver changes and a low incidence of tumors, leading to the establishment of an acceptable exposure limit of 0.01 mg/m³. 1998 AR226-3373 ZBkqzdooL4096aB9Dj7MZEEbp 4
The document establishes an Emergency Exposure Limit (EEL) of 50 ppb for C4, C6-Perfluorodiiodoalkane for emergency planning, based on studies indicating significant health effects in rats at higher exposure levels. 1998 AR226-3393 rByy3be1dM2yyOBGkV5pxbvdE 2
This is a DuPont Haskell Laboratory report dated January 9, 1997, focusing on hazard characterization for human health regarding C8 exposure (CAS Registry No. 3825-26-1). 1997 AR226-3372 LJMy5ngKjdawkvMo9yDqvqNkq 30
This document appears to be a laboratory report detailing the acute and chronic toxicity assessments of two fluorotelomer surfactants on algae, indicating that both compounds have EC50 values greater than 100 mg/L and a lowest NOEC of 25 mg/L for the anionic surfactant. 1995 AR226-3366 2mGdNVwxYdkXj3O9m6bVb5ra 1
The document evaluates the aquatic toxicity of two perfluorinated surfactants in early life stage tests with rainbow trout, indicating they exhibit low to moderate toxicity. 1995 AR226-3367 JrBVB6wvm6z8aYQDqV3KmRomO 1
The document discusses the review of pancreatic lesions in high-dose male subjects from a two-year study on FC143 (C8) conducted by 3M, noting similar incidences of acinar cell adenomas/carcinomas between the 3M and Haskell studies, while highlighting a significantly higher incidence of acinar cell hyperplasia in the Haskell study. 1994 AR226-3371 MJVkMnxEvxqLw6QGLpnqvy9y 2
This document appears to be a scientific report discussing the aquatic toxicity of perfluoroalkylated substances (PFAS), detailing various test methods and species used in the assessments, along with references to standard testing guidelines. 1990 AR226-3365 VJ2rBj1378a4vg6zppbvRxO98 2
The document provides a toxicological assessment of Barium Telomer B Sulfonic Acid (Barium TBS), indicating slight acute oral toxicity and no skin or eye irritation in rabbits, while comparing its toxicity to Zonyl TBS and reporting significant respiratory effects in rats exposed to high concentrations of a Barium TBS/Teflon FEP mixture. 1988 AR226-3381 2Jg5pRaVvMwb8EVdxErQ3r59a 3
The document provides a summary of the physical and toxicological properties of Ammonium Perfluorononanoate (C-9), including its moderate acute oral toxicity, recommended acceptable exposure level (AEL) of 0.01 mg/m3, and the basis for this recommendation based on comparisons to Ammonium Perfluorooctanoate (C-8). 1984 AR226-3377 kLXKonN6jXJKbzzdnXYg2V6J 2
The document provides an overview of Telomer B Carbamate, including its chemical structure, physical properties, toxicity data, and recommended acceptable exposure limits (AEL) based on studies conducted by DuPont, indicating a low acute toxicity profile and a recommended AEL of 1 mg/m³ for respirable particulate. 1983 AR226-3383 v6pdn64eqwK7VBnkwgQw4D6dR 2
The document outlines a study conducted by E.I. DuPont de Nemours & Co. to monitor levels of the surfactant FC-143 (ammonium perfluorooctanoate) in the workplace and environment due to potential health concerns, with objectives including measuring personnel exposure and developing accurate detection methods. 1981 AR226-3334 GKM50XDGzmBEzqzrj70N2Lbx4 29
The document provides a summary of the toxicity and human exposure studies related to Ammonium Perfluorooctanoate (C-8), also known as PFOA, highlighting its moderate acute toxicity, irritation effects, and long half-life in humans, with blood levels observed in occupationally exposed workers. 1981 AR226-3374 NNaqae4xXQr0jxpa7nz2bdZER 6
This document from Haskell Laboratory provides information on Ammonium Perfluorooctanoate (C-8), detailing its physical properties, toxicity levels, and findings from clinical studies on occupationally exposed workers, indicating that PFOA has a long half-life in humans with blood levels showing only a 45% reduction over 18 months after removal from exposure. 1980 AR226-3376 gbe06gmypjL2xGdr2Dp49Zg3J 6
This report details the analysis of various perfluorocarbon polymers for residues of monomers (tetrafluoroethylene and hexafluoropropylene) and the C8-emulsifier (ammonium perfluorooctanoate) used in their production, including the determination of the specific migration of the emulsifier into distilled water. 1979 AR226-3331 dep7Q0mMYd1QKx0qoE8KOY9Q 11
The document discusses the concentration levels of a C-8 fluorosurfactant in a TE-3311 dispersion produced by E.I. du Pont de Nemours & Company, indicating that measurable levels were found to be between 200 ppm and 300 ppm, with an expectation of around 1200 ppm, suggesting that some of the C-8 may be trapped within the PTFE polymer. 1979 AR226-3332 b5z3k7z1nrwzOEoOLzJBE9axZ 4
This document provides an overview of ammonium perfluorooctanoate (C-8), also known as PFOA, detailing its physical properties, toxicity levels, and findings from clinical studies on occupationally exposed workers, highlighting the persistence of PFOA in human blood over time. 1979 AR226-3375 q6e7OJOxEMMJeJ53X62XpO0q 6
This document reports on a study conducted by E.I. DuPont de Nemours & Co. to assess worker exposure to the fluorinated surfactant FC-143, concluding that it was not detected in operator breathing zones, indicating low airborne exposure, while it was found at 0.43 ppm in process wash water. 1978 AR226-3330 DMONN0ZKQQe9Ok0qvymdavLoo 32
The document provides a toxicological assessment of Telomer B Citrate Urethane (TBCU), a perfluorinated compound, detailing its physical properties, acute and subchronic toxicity findings, and establishing a recommended acceptable exposure limit (AEL) of 0.1 mg/m³ for respirable dust. 1976 AR226-3382 7jELd7R46jbevO9d2LJ7N2e8 2
This document contains work and medical histories for employees, including sample dates and C8 concentration levels, spanning various job codes and roles from 1959 to 2004. AR226-3477 mByj3KYZk0D2kYKjVew96E7o0 898
The document reports on a study (H-25357) conducted by DuPont to determine the approximate lethal dose (ALD) of a substance by skin absorption in rabbits, completed on August 1, 2002. AR226-3251 1Qq2yE4xvp93VjQL6wmegO7BE 14
The document is an analytical report from DuPont Haskell Laboratory detailing the stability and purity analysis of a perfluorinated compound sample, specifically focusing on the active ingredient's concentration measured through gas chromatography. AR226-3252 QkxnN29pg9wpDv4J6mZ7nyyk5 5
The document details an analytical report from DuPont's Haskell Laboratory assessing the stability and active ingredient percentage of a test substance related to perfluorinated compounds, with a measured active ingredient percentage of 101.8% ± 2.9%. AR226-3253 2jQeE0rGxKLDGYDa6D9rww43a 5
The document details an acute eye irritation study conducted by E.I. du Pont de Nemours and Company on a test substance, compliant with U.S. EPA and OECD guidelines, to assess the eye irritation potential in rabbits. AR226-3254 jNjQkbaDQVXYYJN6z658YbvMR 18
The document reports on a study conducted by E.I. du Pont de Nemours and Company to determine the oral approximate lethal dose (ALD) of a substance identified as H-25357 in male rats, with doses administered ranging from 670 to 7500 mg/kg. AR226-3255 YG6YLKgE0kDejBMgn4VokzpkV 9
The document reports on a study conducted by E.I. du Pont de Nemours and Company assessing the acute toxicity of a substance coded H-25434 to the fathead minnow (Pimephales promelas) over a 96-hour period, indicating that the test substance was stable during the study. AR226-3257 B891oEqXJaBZjRgMVMn7Ywrg8 8
The document reports on a static, acute toxicity screening test of the substance H-25434, conducted by DuPont, which assessed its effects on Daphnia magna over a 48-hour period. AR226-3258 6BVXOxYDogJoaqp7kvbRKv1Yg 9
The document outlines a Bacterial Reverse Mutation Test conducted by BioReliance for E. I. du Pont de Nemours and Company to assess the mutagenic potential of a test substance, with noted compliance to various GLP regulations but lacking stability analysis of the test substance. AR226-3256 0ej8OxVJgv11o7Dv08dzxkKM 66
The document reports on a study conducted by E.I. du Pont de Nemours and Company to evaluate the influence of the substance H-25434 on the growth and growth rate of the green alga Selenastrum capricornutum, with testing conducted at various concentrations. AR226-3259 zb5rpkG21GmzKYNbDxJvBdQ2R 22
The document reports on the stability analysis of the test substance H-25425, conducted by DuPont's Haskell Laboratory, utilizing high-performance liquid chromatography (HPLC) to determine its concentration and stability for protocol compliance. AR226-3260 oe8e4B4DdQbV2Vad18jb4v8N8 4
This is a DuPont report (number 12718) detailing a study on the water solubility of a test substance conducted under OECD guidelines, with results indicating very low solubility across various temperatures. AR226-3262 rxppRy8nzwm5zMyMxa5bk40q7 18
The document details a developmental toxicity study in rats (Study ID H-25231) conducted by DuPont, assessing the effects of a test substance under U.S. EPA guidelines, with compliance to Good Laboratory Practice standards, although some analyses were performed in a non-GLP laboratory. AR226-3261 4aMnNo8aJz1MLZ7q37dqv9zMp 155
This document reports on mutagenicity test results using microorganisms, detailing the testing methods, conditions, and results, which concluded that the test substance showed no mutagenicity. AR226-3266 qkD8x1Xv91JZvwvrXOn4N0maE 15
The document reports on the stability analysis of the test substance H-25425, conducted by DuPont's Haskell Laboratory, confirming the percentage of active ingredient through high-performance liquid chromatography (HPLC) as part of protocol requirements. AR226-3267 baqzJmg8KewBeQ2G3NgqaNpQZ 4
The document details an analytical report from Haskell Laboratory for Toxicology and Industrial Medicine regarding the stability and concentration verification of dosing suspensions containing H-24691, a perfluorinated compound, for a repeated-dose oral toxicity study in rats. AR226-3268 QXmxz3LJjRVJJkmBBEONj34zo 13
The document is a DuPont report detailing a study on the ultraviolet absorption spectrum of a perfluorinated compound, concluding that there is no measurable UV absorption from 225 to 400 nm. AR226-3269 6B1yrmNDqXYmg6rZXjq5pYg99 9
The document presents individual sperm motility data from a one-generation reproduction study in rats conducted by DuPont, focusing on the effects of exposure to a specific dosage of a perfluorinated compound. AR226-3264 kmXB9KbLdYBv3ed11rdgzVLdJ 203
The document is a DuPont report detailing the determination of vapor pressure for a perfluorinated compound, conducted under the Telomer Research Program, with a completion date of July 16, 2002, and a report date of March 21, 2003. AR226-3270 a1rvo9ojVZQxqaBZX4onXOgeY 11
The document outlines a one-generation reproduction study in rats conducted by E.I. du Pont de Nemours and Company, focusing on the effects of a trade secret substance related to perfluorinated compounds, with compliance to Good Laboratory Practice standards. AR226-3263 aBq570b4ggJj0qmBBKERXw5my 255
The document is a study report by E.I. du Pont de Nemours and Company on the influence of PFOA on the growth and growth rate of the green alga Selenastrum capricornutum, conducted in compliance with Good Laboratory Practice standards. AR226-3271 ZJ5pZB4OgwG8R5Y6M4D5zvenO 58
The document reports on a study conducted by Dr. U. Noack-Laboratorium on the effects of a water-sediment system on the development of Caenorhabditis elegans, sponsored by Asahi Glass, Clariant, Daikin Industries Ltd, and DuPont, in compliance with OECD principles of Good Laboratory Practice. AR226-3277 O112BoYBRO65zbGGjworQoMVM 21
The document is a Good Laboratory Practice-compliant report detailing a two-week inhalation toxicity study of a test substance conducted by E.I. du Pont de Nemours and Company on male rats, with the study completed on April 2, 2003. AR226-3275 zo93XRakYkG7G1dGYqw7kw2D3 158
The document details an acute toxicity test conducted on earthworms (Eisenia fetida) using OECD Guideline 207, with no deviations from Good Laboratory Practice, to assess the effects of a test substance produced by Clariant, Daikin Industries Ltd, and Dupont. AR226-3278 70pL9Mwo39rgbR7eoemEYnmde 34
This document is a study report titled "H-24743: Biopersistence Screening 10-Dose Oral Gavage Study in Rats," conducted by DuPont to evaluate the biopersistence of a substance, likely related to perfluorinated compounds, with the study completed on April 7, 2003. AR226-3276 Dd0eaZVn5yy8kqjeNKM9ozBEO 83
This document details a subchronic toxicity study of PFOA conducted by DuPont, following U.S. EPA guidelines, which involved a 90-day oral gavage study in rats to assess the compound's health effects. AR226-3272 MJGQ1bgmbnx03bM8NL5GM6Vma 294
The document outlines a study conducted by Dr. U. Noack-Laboratorium on the toxicity of a substance to terrestrial plants during seedling emergence, following OECD Guideline 208, with no deviations from Good Laboratory Practice reported. AR226-3280 jNQaMwbza9kjN2KrLQEd4kmaR 52
The document outlines a developmental toxicity study conducted by DuPont on rats to evaluate the effects of a test substance, compliant with U.S. EPA guidelines, with specific notes on laboratory practices and analysis compliance. AR226-3279 71B5kRX04LaDm90oexy6OoGqg 157
The document reports on a 90-day oral gavage study conducted by DuPont to assess the chronic toxicity of a substance, likely related to perfluorinated compounds, with specific urinalysis results for male test subjects at varying dosage levels. AR226-3274 QJ3z691y6b32pEeGQjZ9eKGDL 347
This document reports on a study conducted by E.I. du Pont de Nemours and Company to assess the acute toxicity of the substance H-25767 to Daphnia magna, indicating that the test substance was stable and the study was completed on May 28, 2003. AR226-3281 KvYXJ5jZvZ7bO27q1wBaGDBw 9
The document details a subchronic toxicity study conducted by DuPont on rats, focusing on the administration of a perfluorinated compound, with specific dosage volumes recorded for each day of the study. AR226-3273 QM30ad2Op8aN4112vpQvYpZ88 423
The document reports on a 96-hour acute toxicity screening test of the substance H-25767, conducted by E.I. du Pont de Nemours and Company, which evaluated its effects on rainbow trout (Oncorhynchus mykiss) under static conditions. AR226-3283 pBxpB7daEKny1mdnjoGyKgEJ6 8
The document reports a study conducted by E.I. du Pont de Nemours and Company on the effects of the substance H-25767 (a perfluorinated compound) on the growth and growth rate of the green alga Selenastrum capricornutum, finding an EC50 of 46.0 mg/L and classifying it as harmful to aquatic organisms under TSCA. AR226-3284 7Ob9LJXYBx3LLzDJqYRaonep6 18
The document reports on a study conducted by E.I. du Pont de Nemours and Company to determine the inhalation approximate lethal concentration (ALC) of a substance identified as DuPont-12966 in rats, indicating its stability under study conditions. AR226-3285 pjraRMBL0XxowDK4M89mnGYB 13
This document reports on a four-week inhalation toxicity study of a test substance conducted by E.I. du Pont de Nemours and Company, adhering to Good Laboratory Practice standards, to evaluate health effects in male rats. AR226-3282 YGK2pw5doM5kK3wG2ZD86NoKN 214
The document details a subchronic toxicity study (90-day gavage) conducted by E.I. du Pont de Nemours and Company on a test substance related to PFOA, adhering to U.S. EPA Good Laboratory Practice Standards, with evaluations including one-generation reproduction assessments. AR226-3286 d6GyprzkjB2Z529y00MOarB5 308
This document details a subchronic toxicity study conducted by DuPont on rats, evaluating the effects of a test substance (likely PFOA or PFOS) over a 90-day period, including one-generation reproduction assessments. AR226-3288 Y6a8BkdaaBe9JQykOe8YmejD 327
The document reports on a static, acute 96-hour toxicity screening test of the substance H-25914, conducted by E.I. du Pont de Nemours and Company, which evaluated its effects on the rainbow trout, Oncorhynchus mykiss. AR226-3291 zoYRj0jM43dDMO0q5MRY4QOEg 9
The document reports on a static, acute 48-hour toxicity screening test conducted by DuPont on the substance H-25914, assessing its effects on Daphnia magna, with findings indicating the test substance was stable and did not exhibit toxicity at the tested concentrations. AR226-3292 O1r1xRg1L867y6Oz1R4e2jkwL 9
The document reports on a subchronic toxicity study of PFOA conducted by DuPont, detailing the microscopic observations and incidences of non-neoplastic lesions in male rats after 90 days of gavage treatment. AR226-3287 ev6JNQwdKgYaqBm10NZGyD1Eq 436
The document details a subchronic toxicity study conducted by DuPont on rats, evaluating the effects of a perfluorinated compound over 90 days, including individual animal observations and histopathological findings. AR226-3289 3Qb2xZdZeKaKknLEzwjdv7aMy 348
The document is a study report by E.I. du Pont de Nemours and Company detailing a 28-day repeated dose dermal toxicity study in male rats, conducted under U.S. EPA and OECD guidelines, to evaluate the effects of a test substance characterized as a trade secret. AR226-3293 np4R7KbYOvOnpx5B8Qng8gw5w 204
The document details a subchronic toxicity study conducted by DuPont on male rats, evaluating the effects of a 90-day gavage exposure to a substance, likely related to PFOA or PFOS, with specific focus on sperm and spermatid counts. AR226-3290 7OvgneD6YGGyZX0Rd6oeJgb68 362
The document reports on a study conducted by E.I. du Pont de Nemours and Company to assess the influence of the substance H-25914 on the growth and growth rate of the green alga Selenastrum capricornutum, revealing effects at various concentrations over a 72-hour exposure period. AR226-3294 1qEXgpoZQx8aEBOo0Kqzn40Z 20
The document details a biocompatibility study (H-25878) conducted by North American Science Associates, Inc. for E.I. du Pont de Nemours and Company, focusing on the cytotoxicity of a substance related to PFOA/PFOS, with the study completed on August 26, 2003. AR226-3295 Yj4mEgNMb87DVXOGNevOz1Gbk 30
This document is a report on a 90-day subchronic toxicity study of PFOA conducted by DuPont on male rats, authored by Linda A. Malley, Ph.D., and completed on September 4, 2003. AR226-3297 rBpX2xJ1ZrMyYv7eBYaMvb5Z0 50
The document reports on a 28-day repeated-dose dermal toxicity study of a substance conducted by E.I. du Pont de Nemours and Company, focusing on male rats, in compliance with U.S. EPA and OECD guidelines. AR226-3296 ppzZoYYVK1K2ddb7XyMyjxmQw 158
The document reports on a study conducted by E.I. du Pont de Nemours and Company, led by Dr. Michael P. DeLorme, to determine the inhalation approximate lethal concentration (ALC) of a substance identified as DuPont-13308 in rats, completed on September 9, 2003. AR226-3299 dYBpnz6ba3R4Q46nn7b9xNodq 12
The document reports on a study commissioned by DuPont KK to evaluate the accumulation of a perfluorinated compound in carp, conducted by the Chemicals Evaluation and Research Institute in Japan, with preliminary tests indicating acute toxicity. AR226-3300 J30vKx7MojzRz482V5rGo4JJ2 19
The document is a study report by E.I. du Pont de Nemours and Company on the early life-stage toxicity of a test substance to rainbow trout (Oncorhynchus mykiss), conducted in compliance with U.S. EPA Good Laboratory Practice Standards. AR226-3298 LpkYNma5JzNQLZjqY1pyeMkQQ 138
This document is a study report commissioned by DuPont KK analyzing impurities in a non-GLP study context, specifically related to perfluorinated compounds. AR226-3301 KG12N20ZgQkB2QLGRYg2x1OKr 9
This is a study report from the Chemicals Evaluation and Research Institute in Japan (Study No. 33620) commissioned by DuPont KK, analyzing the residual solvent ethanol in Forafac 1157 using gas chromatography, with results indicating 0% ethanol content. AR226-3302 1y9w1GYeGnOB6dGE7roVw5YX 12
The document is a study report from the Chemicals Evaluation and Research Institute in Japan, detailing a non-GLP study on the biodegradation of perfluorinated compounds by microorganisms, specifically focusing on the methodology and results related to the test substances involved. AR226-3303 91xwaGjRQdrg2g87aBVBEjpXe 23
The document reports on the stability analysis of the test substance H-24921, a perfluorinated compound, conducted by DuPont's Haskell Laboratory, confirming the active ingredient's purity within the expected range based on high-performance liquid chromatography/tandem mass spectrometry methods. AR226-3304 La9K6zZm6YxMvJqr0MkvV4Vd 5
The document details the stability analysis of the test substance H-24921, a perfluorinated compound produced by DuPont, using high-performance liquid chromatography/tandem mass spectrometry, with results indicating nominal concentrations for further studies. AR226-3305 ExwJBJd5mgx1jY3zLqawO0e2N 5
The document details a study conducted by E.I. du Pont de Nemours and Company on the influence of a test substance on the growth and growth rate of the green alga Selenastrum capricornutum, adhering to OECD and EPA guidelines. AR226-3306 npx6e4nEnkd1QpxpmQyRJ0kn8 60
This document presents the results of a chromosomal aberration test using mammalian culture cells, specifically detailing the conditions and materials used in the study, but does not mention PFOA or PFOS. AR226-3307 KR555nnjXwZE9pawJ5wn3d2Dr 21
The document outlines a study conducted by E.I. du Pont de Nemours and Company on a perfluorinated compound, adhering to Good Laboratory Practice Standards, with a focus on the characterization of the test substance, which included an analysis of its percent content of PFOA. AR226-3308 Ran8KGg9RNZDqVnwmkB34oOOE 35
The document is a final report on an in vitro mammalian chromosome aberration study conducted by BioReliance for E. I. duPont de Nemours and Company, focusing on the effects of a test substance, likely related to PFOA or PFOS, on human peripheral blood lymphocytes, with compliance to Good Laboratory Practice standards noted. AR226-3309 peZRj6mo9bGEvap7VzJm1MyrB 40
This document is a study report from DuPont titled "Biopersistence Screening 10-Dose Oral Gavage Study in Rats," which evaluates the biopersistence of a substance, likely related to PFOA or PFOS, completed on November 26, 2003. AR226-3310 qw30p61eB1kz3ybEBqoZgOrE 82