CD 11 — AR226-1030a

EPA administrative record segment: CD-11--AR226-1030a (290 documents).

Page 2 of 3 — 290 documents
Title / Summary Year AR226 Docket Hash ID Pages
The document is a final report on a flow-through bioconcentration test of perfluorooctanesulfonate (PFOS) conducted with bluegill fish (Lepomis macrochirus) by Wildlife International, Ltd. for 3M Corporation, adhering to Good Laboratory Practice Standards. 2000 AR226-1030 Oz8b3ynD0qLKpvDVVmnReqeQM 129
The document details an experiment using thermospray mass spectrometry to assess the volatility of FC-95 and FC-143, specifically investigating their vapor pressure at room temperature and their removal from various solutions when air is bubbled through them. 2000 AR226-1030 zodkaRGDewg11z9REVEROvQV6 20
The document is a final report on a 7-day toxicity test of PFOS (perfluorooctanesulfonic acid) using duckweed (Lemna gibba G3), conducted by Wildlife International, Ltd. for 3M Corporation, and completed on March 26, 2001, in compliance with Good Laboratory Practice standards. 2000 AR226-1030 rpbQ4aMMw7pJg0XV8yQwp2x5G 47
The document is a final report on a 96-hour toxicity test of PFOS conducted by Wildlife International, Ltd. for 3M Corporation, indicating compliance with Good Laboratory Practice standards and detailing the study's initiation and completion dates. 2000 AR226-1030 dYkbE38kQ0GjpEE38eOLKxkKb 56
This final report details a 96-hour toxicity test of PFOS conducted by Wildlife International, Ltd. for 3M Corporation, using the marine diatom Skeletonema costatum, and confirms compliance with Good Laboratory Practice Standards despite some exceptions in substance characterization. 2000 AR226-1030 6BrBaNpbpNjJv1KLE09pym5zE 54
This final report details a 96-hour toxicity test of PFOS conducted on the freshwater alga Anabaena flos-aquae by Wildlife International, Ltd. for 3M Corporation, with study completion on June 6, 2001, and notes compliance with Good Laboratory Practice standards despite some exceptions. 2000 AR226-1030 ko4rBGL5ERvLdp8EwvReDrvq 57
The document is a final report of a frog embryo teratogenesis assay (FETAX) conducted by Wildlife International, Ltd. for 3M Corporation, assessing the effects of PFOS, with noted non-compliance with Good Laboratory Practice standards during the study. 2000 AR226-1030 jg5gdKQjZVQ588vG1pqE6pOLk 181
The document details a biodegradation study of perfluorooctanesulfonate (PFOS) conducted by Springborn Laboratories, Inc., which evaluated the toxicity and biodegradability of PFOS using acclimated activated sludge from a wastewater treatment plant over a 16-week period. 2000 AR226-1030 YD42XM3r91BLpOpdjQzzrLGj0 4
The document details a biodegradation study of perfluorooctanesulfonate (PFOS) conducted by Springborn Laboratories, Inc., which assessed the compound's degradation in aerobic soil and sediment cultures over a 20-week period, reporting biomass levels and test conditions. 2000 AR226-1030 bBJdKXLmQ74wkbqm4vo0JaYb6 2
The document details a biodegradation study of perfluorooctanesulfonate (PFOS) conducted by Springborn Laboratories, Inc., using anaerobic sludge from a wastewater treatment plant, which found the test substance to have a purity of 86.9% and involved a 56-day incubation period to assess its degradation. 2000 AR226-1030 k6vKdxx6bJ0Q03qMZndzjJMqV 2
This document details a revised dietary acute study on the effects of perfluorooctanesulfonate (PFOS) on mallard ducks, including tissue analysis and findings related to the substance's purity and testing methodology. 2000 AR226-1030 ZBx1D4w0547Ornen6d8Rvv3M7 9
3M conducted photolysis studies on PFOA and PFOS to assess their photolytic stability under environmentally relevant conditions, finding no evidence of direct photolysis and no degradation products, while estimating a minimum indirect photolytic half-life in an iron-rich matrix. 2000 AR226-1030 GmodNVRLV5a0d6EKQ3xEzbG9v 2
The document details a study on the stability of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE alcohol), produced by 3M, focusing on its photolytic degradation in various water matrices under controlled light conditions, with results indicating its breakdown products. 2000 AR226-1030 pejjMqmMKKdJz1yN5gVpXB4GD 2
The document is a laboratory report from 3M Environmental Laboratory detailing a study on the aqueous photolytic degradation of Perfluorooctanoic Acid (PFOA), which does not comply with US EPA Good Laboratory Practices but has undergone internal quality assurance audits. 2000 AR226-1030 6bdJ9NGweZ21gkee7eek7kQad 148
The document details a study on the stability of perfluorooctanoic acid (PFOA) ammonium salt under photolysis conditions, conducted by 3M in 2001, which found no conclusive evidence of degradation or breakdown products. 2000 AR226-1030 v1r181KDXan99ZRek5v31mOQZ 2
The document reports that no evidence of direct or indirect photolysis of perfluorooctanesulfonate (PFOS) was observed in water under various testing conditions conducted by 3M in 2001. 2000 AR226-1030 8O035zzV8XrNvQpg6GR3QMQMe 2
The document is a laboratory report from 3M Environmental Laboratory detailing a study on the aqueous photolytic degradation of Potassium Perfluorooctane Sulfonate (PFOS), indicating that the study does not comply with US EPA Good Laboratory Practices but was audited by 3M's Quality Assurance Unit. 2000 AR226-1030 EvLoG3r2xpey3GxOOMjjNjRvj 163
The document is a laboratory report from 3M detailing screening studies on the aqueous photolytic degradation of 2-(N-Ethylperfluorooctanesulfonamido)-ethyl alcohol (N-EtFOSE Alcohol), conducted in accordance with specific EPA and OECD guidelines, although not compliant with Good Laboratory Practices. 2000 AR226-1030 nvXobg4Rg97Dey7p6rjYbZOa 166
The document is a report on an 18-day aerobic biodegradation study of perfluorooctanesulfonate-based chemistries conducted by 3M and Pace Analytical Services, detailing the project's initiation, completion, and authorship. 2000 AR226-1030 NeXrzJ9wZa7RZvQz5qw1YM5pg 39
This is a biodegradation study report prepared by Pace Analytical Services, Inc. for 3M, focusing on the aerobic biodegradation of W-EtFOSE alcohol using microbial activity from municipal wastewater treatment sludge. 2000 AR226-1030 1gd8ddaxabvXKE59JwXxdaZ3j 56
This document details a biodegradation study of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE alcohol), produced by 3M, using activated sludge from a wastewater treatment plant to assess its degradation under aerobic conditions, following EPA guidelines. 2000 AR226-1030 9JznQr3d4jOLXyEG4Oe0maopR 4
This document details an 18-day aerobic biodegradation study of perfluorooctanesulfonate (PFOS), produced by 3M, using activated sludge from a wastewater treatment plant, with a reported purity of 97.9%. 2000 AR226-1030 RJ43x4ZRyx1YrQEo93Mrp1wbz 3
This document details a biodegradation study of N-ethylperfluorooctane sulfonamidoethanol (N-EtFOSE alcohol), produced by 3M, conducted under aerobic conditions to assess its degradation potential using activated sludge from a wastewater treatment plant. 2000 AR226-1030 1oo3J943mnK6J3j0VdG7XLLo 3
The document is a Soil Adsorption/Desorption Study of Potassium Perfluorooctanesulfonate (PFOS) conducted by 3M Environmental Laboratory, initiated on October 17, 2000, and compliant with TSCA Good Laboratory Practice standards, with noted exceptions. 2000 AR226-1030 LJzy5mk5pvDmB2dbqapXoR8Db 758
This document is an amendment to the Quality Assurance Project Plan for the Multi-City Study, detailing changes in sample labeling and collection procedures, including the addition of samples for two additional laboratories at the client's request. 1999 AR226-1030 aBMQm3rxYxoQggzo2YYg0qQ2a 3
The document outlines a review of the sampling and handling techniques used by Battelle during the Columbus, Georgia city survey as part of the Multi-City Human Exposure Assessment Study, focusing on various environmental sources including urban air, drinking water, wastewater, and landfill leachate in relation to fluorochemical characteristics. 1999 AR226-1030 byw20EQp39RVORyNXoDKawgEO 22
This is a Battelle field report for the Multi-City Study (Project Number N100672-01) detailing sampling activities in Cleveland, Tennessee, and Decatur, Alabama, aimed at analyzing trace-level FC residuals and assessing environmental dispersion and human exposure. 1999 AR226-1030 QMLeZRDEyjaOk53YXdYKm6OGv 16
This is a field report from Battelle (Project Number N100672-01) detailing the multi-city study conducted in Columbus, Georgia, and Port St. Lucie, Florida, focusing on the collection of samples for trace-level analysis of FOSE-based fluorochemical residuals to assess environmental dispersion and human exposure. 1999 AR226-1030 bB12ZLR9rLaJmGzDjqb7xeBoy 15
This is a field report prepared by Battelle Marine Sciences Laboratory for Project Number 31565, detailing the collection of finfish, microlayer, and bulk water samples in Cleveland, Tennessee, Decatur, Alabama, and Columbus, Georgia, from August 9 to August 12, 1999, to analyze environmental dispersion of FOSE-based fluorochemical residuals. 1999 AR226-1030 3J0R8gmLkNz02egK6zMLXraaa 28
The document discusses the derivation of a draft lifetime Drinking Water Health Advisory (DWHA) for PFOS, based on a reference dose calculated using standard EPA methodology and a conservative uncertainty factor. 1999 AR226-1030 VK2qeo4aznzzJjD6Xoj3JOG9q 6
This is a field report from Battelle detailing activities conducted in Mobile, Alabama, and Pensacola, Florida, for Project Number N100672-01, focusing on the collection of samples for trace-level analysis of FC residuals to assess environmental dispersion and human exposure. 1999 AR226-1030 ypm84jKoLgLYgLnvpMR5bZxr 15
This is a field report prepared by Battelle Marine Sciences Laboratory for Project Number 31565, detailing the collection of finfish, micro-layer, and bulk water samples in Mobile, Alabama, Pensacola, Florida, and Port St. Lucie, Florida, for trace-level analysis of FOSE-based fluorochemical residuals. 1999 AR226-1030 QX6gGpM4BRMkKkLre5BVqpJ34 32
This document is an amendment to the Quality Assurance Project Plan for the Multi-City Study, detailing changes in sampling methods for fish, bulk water, and microlayer samples related to PFOA/PFOS exposure assessment. 1999 AR226-1030 2Ry45Lxz0J7Gwgq53k3z8RGdg 17
This is a Quality Assurance Project Plan prepared by Battelle for the Multi-City Study Sampling Task, effective May 14, 1999, detailing project management and quality assurance protocols. 1999 AR226-1030 65p2aYpdM4Zox92ajBnqpb0x6 52
This document outlines a non-GLP study conducted by Wildlife International, Ltd. for 3M Corporation, focusing on a background screen for PFOS in selected avian and aquatic feed matrices. 1999 AR226-1030 e5LqzJ194KDpZzGz7Jad3YXyp 25
The document details a revised dietary acute study on the effects of perfluorooctanesulfonate (PFOS) on northern bobwhite quail, including tissue analysis and methods for testing purity and concentration of the substance sourced from 3M. 1999 AR226-1030 byg6rbj8JwVoQ8ModX89YzeQy 9
The document details a revised study on the acute toxicity of perfluorooctanesulfonate (PFOS) to the freshwater mussel species Unio complamatus, conducted by 3M, which included tissue analysis and determined the substance's purity to be 90.49%. 1999 AR226-1030 Ed9VOByKveQmze30y5dMaNak0 5
This document is a final report from 3M Environmental Technology and Services detailing an analytical study on contamination testing conducted by Covance Laboratories, with a focus on assessing the presence of perfluorinated compounds. 1998 AR226-1030 gbNzQ29gzep151B643XrvxXM3 141
The document summarizes a study conducted by the 3M Environmental Lab analyzing endogenous levels of PFOS in the livers of Nave rats from different suppliers, finding measurable PFOS levels in rats from Charles River and Taconic Farms, particularly in older male rats, while no detectable PFOS was found in Harlan rats. 1998 AR226-1030 7RkgwJzL1EJ6KLgmRKO8n72ye 3
The document details a study on the atmospheric stability of perfluorooctanesulfonyl fluoride (POSF), conducted by 3M, which involved indirect gas phase photolysis to analyze its behavior under UV radiation. 1997 AR226-1030 QgEyYJO4m8B4XzqX9EpaqND3o 2
The document details a study on the atmospheric stability of perfluorooctanesulfonyl fluoride (POSF), conducted by 3M, using indirect gas phase photolysis to analyze its reaction with ozone and other reagents under UV radiation. 1997 AR226-1030 7RjYDqzMJO7Zz1JRqO6pN0pjE 2
The document details an acute toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on Daphnia magna, indicating that the test sample was a mixture with incompletely characterized concentrations of impurities, and the study followed U.S. EPA guidelines. 1996 AR226-1030 3N922b9e1O67mjr3krkO091qx 4
The document details a toxicity test of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted on the aquatic plant Selenastrum capricornutum, using U.S. EPA-TSCA Guideline methods to assess algal cell counts and growth rates over a 96-hour exposure period. 1996 AR226-1030 1Qbx1vYgd8bzyjBDDo7rVJjka 4
The document details a toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on the aquatic plant Selenastrum capricornutum, using a mixture with unspecified impurities, following U.S. EPA guidelines. 1995 AR226-1030 wDk2DDDEBkrZxpy736Y75ZYgJ 4
The document details a toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on the aquatic plant Selenastrum capricornutum, using a test sample with unspecified purity and composition, following U.S. EPA guidelines. 1995 AR226-1030 npvqXvrKp6qdN9vzm6dQ0Dq8X 4
The document is a study report conducted by T.R. Wilbury Laboratories on the growth and reproduction toxicity of the substance N2803-2 using the freshwater alga, Selenastrum capricornutum, sponsored by 3M Company, and completed in November 1995, adhering to EPA Good Laboratory Practice regulations. 1995 AR226-1030 Z47xjXR3jMnba8VMdazqnQgq8 25
This is a T.R. Wilbury Laboratories report (Study Number 840-TH) detailing the acute toxicity of L-13492 to the daphnid Daphnia magna, conducted for 3H Company from June 27 to 29, 1995. 1995 AR226-1030 Z4wER6vyEG9OE6QQgeox7g0p8 24
The document details an acute toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on Daphnia magna, indicating that the test sample was a mixture with unspecified impurities and the study followed U.S. EPA guidelines. 1995 AR226-1030 em46xy6Gp8qgkKjJaGjENEyN9 3
The document reports on a study conducted by 3M Company, assessing the acute toxicity of a substance identified as N2803-4 to the daphnid species Daphnia magna, completed in November 1995 and amended in March 1996, with noted deviations from EPA Good Laboratory Practice regulations. 1995 AR226-1030 n9pwG7Qdk2dGxn1x4VamR8XRG 24
The document details an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) on the aquatic invertebrate Daphnia magna, conducted according to U.S. EPA guidelines, with a focus on determining the LC50 and EC5o values over a 48-hour exposure period. 1995 AR226-1030 Q65nQXwwJeZMoON2z2JmDv0E 3
The document reports on a study conducted by T.R. Wilbury Laboratories, sponsored by 3M Company, assessing the acute toxicity of the substance N2803-2 to the aquatic organism Daphnia magna, completed in November 1995 and amended in March 1996. 1995 AR226-1030 wrRKEdaM96Mw22BrdY2BRgxnQ 24
The document details an acute toxicity study of perfluorooctanoic acid tetrabutylammonium salt (PFOA tetrabutylammonium salt) on fathead minnows (Pimephales promelas), conducted under U.S. EPA guidelines, indicating that the test sample was a mixture with incompletely characterized concentrations of impurities. 1995 AR226-1030 aBmbvbDG51XnNbk31pykBmVyY 4
The document reports on a study conducted by T.R. Wilbury Laboratories, sponsored by 3M Company, assessing the acute toxicity of the substance L-13492 to the Fathead Minnow (Pimephales promelas) in compliance with U.S. EPA-TSCA guidelines. 1995 AR226-1030 wDgwoeyr1aBRpmxVp52NjNy3E 24
The document details an acute toxicity study of perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), conducted on fathead minnows (Pimephales promelas) to assess its effects, although the purity of the test sample was not sufficiently characterized. 1995 AR226-1030 bB3YXOnnXmadz0qgmn1XLMyK0 3
The document details an acute toxicity study of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on fathead minnows (Pimephales promelas) using U.S. EPA-TSCA guidelines, noting that the test sample was a mixture with a purity of 96.5 - 100% PFOA and included various perfluoro 1995 AR226-1030 9JpKeyooDQra6zzRr7dyoxRaR 3
The document details a Microtox toxicity test conducted on perfluorooctanoic acid, tetrabutylammonium salt (PFOA tetrabutylammonium salt), indicating that the test sample was a mixture with incompletely characterized concentrations of impurities and that the test was performed using Photobacterium phosphoreum to assess toxicity. 1995 AR226-1030 EdZqL2D1KnYaREgb3pO7y7O8L 2
The document reports on a study conducted by 3M Environmental Laboratory to evaluate the inhibitory effects of the substance L-13492 on the respiration of activated sludge, finding a median effective concentration (3-hour EC50) greater than 1000 mg/L. 1995 AR226-1030 K7LVvJyDyqkXkajK1aEVaNX2 15
The document details an activated sludge respiration inhibition test conducted on perfluorooctanoic acid tetrabutylammonium salt (PFOA tetrabutylammonium salt) with a focus on its toxicity, using a test sample referred to as L-13492, although the purity of the sample was not fully characterized. 1995 AR226-1030 vBr4bv7ZQBEJ7vzbGLOnzNqbZ 2
The document presents a bioconcentration study of N-methylperfluorooctane sulfonamidoethanol (CAS # 24448-09-7), detailing the method used to determine its n-octanol/water partition coefficient, with results indicating a calculated logP value but lacking confirmation of the substance's purity. 1994 AR226-1030 71g18ypYad5L1a0dVKM7vXeMa 3
The document discusses a vapor pressure test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) and its mixture with PFOS, highlighting methodological concerns and the analysis of fluorochemical content before and after air bubbling through various stock solutions. 1993 AR226-1030 x5mRdarmOJOpKorMe9L4RbED0 4
The document details a vapor pressure study of perfluorooctanesulfonate (PFOS) conducted by 3M, highlighting methodological concerns and presenting results from analyzing the fluorochemical content before and after air bubbling through various stock solutions. 1993 AR226-1030 jgLYJoGx7YL60a9w5gmDV6anR 4
The document reports on a biodegradation study of perfluorooctanesulfonate (PFOS) conducted by 3M Company, indicating high activity levels in the Methylene Blue Active Substance (MBAS) test, but notes concerns regarding the characterization of the test substance's purity and methodology. 1989 AR226-1030 ZO4yoGVEKpD5znrYLy5gqRvp 2
The report by Beak Consultants Limited for Panarctic Oils Ltd. evaluates the potential environmental impacts of the perfluorinated surfactant AFA-6, indicating that its application at a concentration of 10 mg/L poses toxicity concerns for marine organisms, but estimates low bioconcentration potential and limited environmental impact due to dilution during melting. 1986 AR226-1030 vVqk5rDQ41meLvJd3LNjrGgn8 31
The document reports a water solubility calculation for Decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2070), produced by 3M Company, indicating a solubility of 250 g/L, although the reliability of the calculation is questioned due to lack of validation. 1982 AR226-1030 RJ9dw21kmegOB8ooz9YZaEjLX 2
This document summarizes a toxicity study on perfluorooctanesulfonate (PFOS) conducted by Beak Consultants for Panarctic Oils, reporting an acute 48-hour EC50 value for Daphnia magna of 58 to 67 mg/L, although the study's reliability is limited due to unmeasured actual concentrations and uncharacterized sample purity. 1982 AR226-1030 QkQeYpXg57nevB7ek25wqqknL 1
The document details an acute toxicity test conducted in 1982 on the fish species Pimephales promelas (fathead minnow) using a mixture identified as PFOSAA (perfluorooctanesulfonylamido(ethyl)acetate) produced by 3M, which showed an LC50 value greater than the highest concentration tested, indicating low toxicity. 1982 AR226-1030 6w2nREpvGrBbgwLR0QE9N80kR 3
The document reports on an acute toxicity test of the perfluorinated compound Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted on fathead minnows (Pimephales promelas), indicating that the LC50 value was greater than the highest concentration tested. 1982 AR226-1030 X8O6oG6q0NL0vBM3Bj4rwGRm4 3
The document details a biodegradation test of a mixture containing perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) produced by 3M, indicating that the results for the 28-day Chemical Oxygen Demand (COD) were invalid and do not accurately reflect the degradation potential of the fluorochemical component. 1982 AR226-1030 w45j8bQ9ZVydL7jmrZLR4Lp4 3
The document details a biodegradation study of perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) produced by 3M, indicating a Chemical Oxygen Demand (COD) of 280,000 mg/kg and a 28-day Biochemical Oxygen Demand (BOD) of 18,900 mg/kg, suggesting limited biodegradability. 1982 AR226-1030 wq410EwZ1YbkxLQm9op23q8Eo 2
The document reports on a 1982 acute toxicity test conducted by 3M Company on a mixture containing perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA), indicating that it does not inhibit the respiration rate of activated sludge at a concentration of 1000 mg/L. 1982 AR226-1030 6B8doe3ExoLnkaZ0vXLLKJvxE 2
The document reports on an acute toxicity test conducted on Daphnia magna using a mixture of decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2151) produced by 3M, detailing the test conditions and methodology but not providing specific toxicity results. 1981 AR226-1030 Mod3myakpZMv0DdbdDBe73Bgy 2
The document reports on biodegradation testing of CS-2151 (a mixture of decafluoro(pentafluoroethyl)cyclohexanesulfonate DEA salt) conducted by 3M, indicating that the 20-Day Biochemical Oxygen Demand (BOD) was equivalent to 90% of the theoretical oxygen demand for the diethanolamine portion of the molecule, although 1981 AR226-1030 4vvZzZQzdmzjzVKya4o1j8yOp 2
The document reports on a biosorption study of decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2070) conducted by 3M, indicating that while heat-killed activated sludge adsorbs the substance, viable sludge does not, suggesting CS-2070 remains in aqueous solution during wastewater treatment. 1981 AR226-1030 k6MaGYmaBKL9yZz2vyjBDpXpE 2
The document is an analytical report detailing the thermal analysis and melting point determination of a light yellow solid labeled CS-2070, derived from a liquid labeled CS-2151, with findings indicating a melting point range of 75°C to 145°C and stability to 200°C. 1981 AR226-1030 a4D3yxnDGV5NdBoDpprYzR8bY 2
The document reports the melting point of Decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2070) as observed at 75°C for the initial melt and 145°C for complete melting, based on a study conducted by 3M Company in 1981. 1981 AR226-1030 wrDpqpwK40dMQ881MRZYVKga3 2
The document is an analytical report detailing the partition coefficient determination of the perfluorinated compound CS-2070, derived from CS-2151, using a method involving n-octanol and water to assess its solubility and distribution. 1981 AR226-1030 LpYra3jZeEJkmdGj56Z3rwEZw 2
The document reports that a microbial respiration inhibition test conducted on the perfluoro(ethylcyclohexyl) sulfonate (CS-2151) showed no acute inhibitory effect on the respiration rate of microorganisms at a concentration of 1000 mg/L. 1981 AR226-1030 OzLOkpX2DpgXrVJpGy9bGRdVQ 2
The document reports on a solubility study of Decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2070) conducted by 3M in 1981, indicating that its solubility in neutral, buffered water is greater than 25%. 1981 AR226-1030 K6v4JXwdaDDdJQvz6p6rm2Nx0 2
The document reports on the solubility characteristics of CS-2070, a compound derived from CS-2151, indicating that it is soluble in various solvents and buffers, with specific solubility levels noted at different pH values. 1981 AR226-1030 9x0a1m0BDJR6kanyxvd5nej6 1
This document reports on a toxicity study of perfluorooctanesulfonate (PFOS) conducted on Artemia sp., finding an acute 48-hour EC50 value of approximately 9.4 mg/L, indicating the concentration at which 50% of the organisms experienced mortality. 1981 AR226-1030 zQjz4NLamMv2xdq6GE7E6qG70 2
The document details an acute toxicity test conducted on fathead minnows (Pimephales promelas) using a mixture of decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2151) produced by 3M, with the study following ASTM E729-80 standards and measuring various water quality parameters over a 96-hour exposure period. 1980 AR226-1030 dQeMB3q56oQ1Z1Gp1Zrdvp3dR 3
The document reports that the distribution coefficient for decafluoro(pentafluoroethyl)cyclohexanesulfonate (CS-2070) is 0.65, based on a study conducted by 3M Company using a method to analyze the substance's solubility in n-octanol and water. 1980 AR226-1030 zQ05MkdznydbxOpjnpD88EZQm 2
The document reports on a photodegradation study of N-methylperfluorooctane sulfonamidoethanol (FM-3925), conducted using modified Crosby and Tang photoreactors, which found no degradation of the substance after 30 days in deionized water, with potential photolysis products identified but minimal volatilization observed. 1980 AR226-1030 VJLoRqRoQVj18DrZYKvjw8zej 2
The document is a technical report summarizing the investigation into the photolysis of FM3925, a fluorochemical, to determine its degradation and identify major products using various analytical methods. 1980 AR226-1030 vB0zJX76GR2VzkO45E0Vr418 22
The document reports on a pilot photolysis study conducted by 3M to investigate the degradation of the compound FM-3925 in aqueous solutions under natural sunlight conditions, indicating that isomerization is possible based on GC/MS analysis. 1980 AR226-1030 6w0B9QMEjk50mvLyGymdGLky1 9
This document reports on a toxicity test of perfluorooctanesulfonate (PFOS) conducted on freshwater rainbow trout, revealing a 96-hour EC50 value of 7.8 to 9.9 mg/L, indicating the concentration at which 50% of the fish would be expected to die. 1980 AR226-1030 B8GG8p8O24EM5OBrrnyN53OrL 2
The document details a toxicity study on perfluorooctanesulfonate (PFOS) conducted on saltwater rainbow trout, assessing acute lethality over a 96-hour exposure period, but no mortality results were reported. 1980 AR226-1030 jMGG9O60Z6Da3dE1XOEk73rO 2
The document reports on an activated sludge respiration inhibition test conducted on potassium decafluoro(pentafluoroethyl)cyclohexanesulfonate (FC-98) by 3M, indicating that there were no significant differences in oxygen uptake rates between the test substance at 100 mg/L and the blank control. 1980 AR226-1030 4v8Vq1834VYDMbyJxRKD2g50Q 2
The document is an analytical report from Centre Analytical Laboratories detailing the fluorochemical characterization of drinking water samples from Decatur, Alabama, specifically analyzing for perfluorooctane sulfonate (PFOS), perfluorooctane sulfonamide (PFOSA), and perfluorooctanoate (POAA) using liquid chromatography/tandem mass spectrometry (LC/MS/MS). 1979 AR226-1030 NNKb5NYB4nkjrnazoR8rr7kxw 14
This document is an analytical report from Centre Analytical Laboratories detailing the fluorochemical characterization of POTW effluent samples from Decatur, Alabama, specifically analyzing for perfluorooctane sulfonate (PFOS), perfluorooctane sulfonamide (PFOSA), and perfluorooctanoate (POAA) using liquid chromatography/tandem mass spectrometry (LC/MS 1979 AR226-1030 wzLoD0R9mDaQY7EqbK40EaMV 9
This document is an analytical report from Centre Analytical Laboratories detailing the fluorochemical characterization of surface water samples from Decatur, Alabama, specifically analyzing for perfluorooctane sulfonate (PFOS), perfluorooctane sulfonamide (PFOSA), and perfluorooctanoate (POAA) using liquid chromatography/tandem mass spectrometry (LC/MS/MS). 1979 AR226-1030 2Rgbj2qQwBm6yx4XBazmzV8eR 12
The document is an analytical report from Centre Analytical Laboratories detailing the fluorochemical characterization of sediment, leachate, and sludge samples from Decatur, Alabama, specifically analyzing for compounds including PFOS, PFOSA, and POAA as part of 3M Project W1979. 1979 AR226-1030 x1DvoY8Lm6D7Gze3RvwBeYw3g 13
The document reports on a 204-day study of the photodegradation of N-methylperfluorooctane sulfonamidoethanol (FM-3925), conducted under natural sunlight, which concluded that no significant photodegradation occurred during the testing period. 1979 AR226-1030 qmmLKgrv4vbwa4BQEKknNK48M 2
This document reports on a 1978 study by 3M Company that developed a Thin Layer Chromatography method to assess the soil mobility of ammonium perfluorooctanoate (PFOA ammonium salt), concluding that it likely adsorbs to soil and does not move from its application spot. 1978 AR226-1030 M49odL1kpeObB7MGZOkLmKd17 2
The document reviews the findings from 3M Technical Notebook No. 48277 regarding soil thin layer chromatography experiments on perfluorinated compounds FC143 and FM3422, concluding that the method is insensitive and suggesting that mobility studies should be conducted using soil columns for more reliable data. 1978 AR226-1030 jBpm31NX38qBrz4YXwdpmg8aO 3
The document contains comments by Professor Stephen A. Boyd from Michigan State University on a 3M Technical Report regarding soil thin layer chromatography of perfluorinated compounds FC 143 and FM 3422, indicating that the method used is insensitive and does not provide useful mobility data for these substances. 1978 AR226-1030 nNkmwpZdKJ4e4Na6VE7Z6JZG 3
The document details a 1978 study by 3M Company on the soil mobility of perfluorooctanesulfonate (PFOS) using autoradiography of Thin Layer Chromatography plates, which ultimately yielded inconclusive results due to insufficient visualization of the radiolabeled substance. 1978 AR226-1030 37GBNz1mgGwy2V26XaZbbo5ya 2
The document details a 1978 study by 3M on the soil mobility of perfluorooctanesulfonate (PFOS) using autoradiography of Thin Layer Chromatography plates, which ultimately yielded inconclusive results due to insufficient visualization of the radiolabeled substance. 1978 AR226-1030 Z8Bq5YwXmXJxzXrMJogZqeooY 2
The document reports on an acute toxicity test of Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate (FC-98) on fathead minnows (Pimephales promelas), indicating that the highest concentration tested resulted in total mortality by 72 hours. 1977 AR226-1030 M4p6BgON35MGZjN35Knwo6boM 2
The document reports on a biodegradation study of Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate (FC-98) conducted by 3M Company, indicating high Total Organic Carbon levels and low Chemical and Biochemical Oxygen Demand, but lacks sufficient characterization and methodological details. 1977 AR226-1030 R5OGEbBGG0RpqbBnVXDD53bE 2