|
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 |
|
This document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company, revealing significant chemical oxygen demand (COD) and biochemical oxygen demand (BOD) values, but noting concerns about the characterization of the test substance and inoculum.
|
1989 |
AR226-0747
|
ykkGB89qJw7kNBmmZaEZJ3Y06 |
6 |
|
The document details a ready biodegradability test (OECD 301E) conducted on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the biodegradability of the fluoro-chemical component due to incompletely characterized concentrations of impurities.
|
1989 |
AR226-0748
|
a46zVNMgpDyg0zG6pdNdE3ENY |
29 |
|
The document reports on an acute toxicity test of a mixture containing 1.84% perfluorooctanesulfonate (PFOS) on Daphnia magna, conducted using OECD Method 202 and U.S. EPA Method EG-1, with findings indicating potential toxicity but noting that data may not accurately reflect the toxicity of the fluorochemical component due to impurities.
|
1989 |
AR226-0749
|
LpKeqDQ9jZ2x4kM0k5Q3kok2b |
3 |
|
The document details an acute toxicity test conducted on a mixture containing 1.84% PFOS, using juvenile Pimephales promelas, to assess the effects of the substance on fish over a 96-hour exposure period, following OECD Method 203 and U.S. EPA Method EG-9.
|
1989 |
AR226-0750
|
ZJ92XoZZ2LQY9Vo75yaYqK1v7 |
3 |
|
The document details a toxicity test conducted on a mixture containing 1.84% PFOS, produced by 3M, using the OECD 201 and ISO/DIS 8692 methods to assess its impact on the aquatic plant species Selenastrum capricomutum over a 96-hour exposure period.
|
1989 |
AR226-0751
|
re0X8EMEKeMVjnmoRVz6g9NzV |
10 |
|
The document describes an Activated Sludge Respiration Inhibition Test conducted on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized concentrations of impurities.
|
1989 |
AR226-0752
|
7MB1yZmgyqOqb2kdN4ywYDp7E |
9 |
|
The document details a Microtox toxicity test conducted on a mixture containing 1.84% PFOS, produced by 3M, indicating that the data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized concentrations of impurities.
|
1989 |
AR226-0753
|
zzNMBmrk9Qemjn63wNYVaXzY7 |
6 |
|
The document details a biodegradation test (OECD 301E) conducted on a mixture containing 0.92% PFOS, produced by 3M, indicating that the data may not accurately reflect the biodegradability of the fluorochemical component due to incompletely characterized concentrations of impurities.
|
1989 |
AR226-0807
|
JvK59QwXaD066rpp5N110pBqv |
29 |
|
The document details an acute toxicity study of a mixture containing 0.92% perfluorooctanesulfonate (PFOS) conducted on Daphnia magna using OECD Method 202 and U.S. EPA Method EG-1, with findings indicating incomplete characterization of impurities that may affect toxicity assessment.
|
1989 |
AR226-0808
|
g2mM2N5B2rooZBBvKkR90m74q |
3 |
|
The document reports on an acute toxicity test of a mixture containing 0.92% PFOS conducted on Daphnia magna, using OECD Method 202 and U.S. EPA Method EG-1, with results indicating the need for caution due to the presence of impurities in the test sample.
|
1989 |
AR226-0809
|
nNQkGgBv2w7R1eMq4L8RR0N4m |
3 |
|
This document details an acute toxicity study of a mixture containing 0.92% PFOS, conducted using juvenile Pimephales promelas, following OECD Method 203 and U.S. EPA Method EG-9, with the test revealing potential toxicity concerns related to the fluorochemical component.
|
1989 |
AR226-0810
|
6BbpNKmdo1N1nodQmrLdR8yQo |
3 |
|
The document details a toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample's purity was not fully characterized and may not accurately reflect the toxicity of the PFOS component.
|
1989 |
AR226-0811
|
XY1vBqb1B0dLRXdveeOR2DV4 |
10 |
|
The document details a Microbics Microtox toxicity test conducted on a mixture containing 0.92% PFOS, produced by 3M, indicating that the data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities.
|
1989 |
AR226-0812
|
jgp9RBbMGBbY0Ev0mdap4zzBp |
6 |
|
The document details an activated sludge respiration inhibition test conducted on a mixture containing 0.92% PFOS, produced by 3M, to assess its toxicity using OECD 209 methodology, with results indicating potential inaccuracies due to impurities in the test sample.
|
1989 |
AR226-0813
|
DN4Jo64RbDzVeq0N6vJZBgGN |
9 |
|
The document discusses an investigation into the occurrence of leukemia among employees at the Washington Works site of E.I. DuPont de Nemours and Company, noting a statistically significant standardized incidence ratio of 2.1, which has prompted the initiation of a case control study to explore potential associations with chemical exposures.
|
1989 |
AR226-1308
|
N2ZpgE84OdpEnqpoZ4gX8gVww |
11 |
|
This interoffice memorandum discusses test results for C8 (PFOA) in local water sources, indicating that while one sample showed a concentration of 1.3, another was contaminated and could not be analyzed.
|
1989 |
AR226-2398
|
zzaqX8K0VbrJkvVgz3J6vQVZ6 |
1 |
|
The memorandum from William E. Crawley indicates that sampling for C-8 (likely referring to PFOA) from the Lubeck system will cease following the closure of the Supernate Pond, while quarterly sampling of Water Well No. 27 and monthly sampling around the Dupont, Letart Landfill will continue.
|
1989 |
AR226-2401
|
7RramqGKnJaDoBVGXwG8JK1LE |
1 |
|
This document is a cover letter from DuPont dated June 13, 1989, addressed to Mr. William R. Packard, discussing analytical results related to compounds detected at Well 27.
|
1989 |
AR226-2400
|
rB9jrdzYzLGwp9oqqyZ7ovkNr |
10 |
|
The memorandum discusses test results for C8 (perfluorinated compounds) in various water samples collected from different locations, indicating contamination levels and the inability to analyze one contaminated sample.
|
1989 |
AR226-2402
|
qkmd35pZ2DgQn7xqb9oGRaeVj |
1 |
|
The memorandum discusses groundwater sampling results for C-8 (likely referring to perfluorooctanoic acid, PFOA) from various sites in May 1989, indicating a downward trend in contamination levels, but notes the decision to cease sampling of local community water supplies while continuing quarterly testing of specific wells.
|
1989 |
AR226-2403
|
ymjpdzMg89poav20R7Nnqvyr6 |
1 |
|
The memorandum reports test results for C8 (likely referring to perfluorooctanoic acid, PFOA) in water samples from various wells, indicating concentrations ranging from 0.8 to 1.5 ppb.
|
1989 |
AR226-2404
|
VGVg4gEnnxq1pzxJGk0jMrov8 |
1 |
|
The document reports on a skin irritation test conducted by E. I. du Pont de Nemours and Company, which found that the tested material (Haskell No. 17,869) did not cause any dermal irritation in rabbits.
|
1989 |
AR226-2939
|
1QeBzXyMXXGvXpnv7kQNLXbZK |
8 |
|
The document reports that a study conducted by E. I. du Pont de Nemours and Company found that the substance H-17,503 exhibited no acute toxicity to fathead minnows (Pimephales promelas) during a 96-hour exposure period, with a 96-hour LC50 greater than 1000 mg/L.
|
1989 |
AR226-2938
|
2JDz8NYBOB2BZDdJYnGVOjkD5 |
9 |
|
The document reports that a study conducted by E. I. du Pont de Nemours and Company determined the approximate lethal dose (ALD) of a white dispersion material, found to be greater than 11,000 mg/kg in male rats, indicating very low toxicity when administered as a single oral dose.
|
1989 |
AR226-2940
|
qmQEpGqba94a6KYL8zG59dK8K |
6 |
|
The document reports on a study conducted by E. I. du Pont de Nemours and Company, which determined the approximate lethal concentration (ALC) of a white aqueous dispersion of a perfluorinated compound in male rats, finding that exposure to concentrations of 590 mg/m³ or greater resulted in deaths within 24 hours post-exposure.
|
1989 |
AR226-2942
|
Y9MOJN0GnyoMRbynEK8V4Vvy8 |
9 |
|
The document reports on an eye irritation test conducted by E. I. du Pont de Nemours and Company on a test material identified as MPD-7352A, which caused mild conjunctival redness and slight chemosis in rabbits after a single dose.
|
1989 |
AR226-2941
|
2j52QOoOgZZ41ndGpwg0jVwQN |
11 |
|
The document reports that a study conducted by E. I. du Pont de Nemours and Company found that PFOA exhibited no significant acute toxicity to fathead minnows (Pimephales promelas) at concentrations greater than 4000 mg/L, with only 5 percent mortality observed over a 96-hour exposure period.
|
1989 |
AR226-2944
|
7ZZDoJEj0NRjY1d9akpeo58g |
9 |
|
The document reports on a study conducted by E. I. du Pont de Nemours and Company assessing the acute inhalation toxicity and pulmonary pathology in male Crl:CDBR rats exposed to a particulate test material, with findings indicating a lethal concentration threshold.
|
1989 |
AR226-2943
|
rpLD3roO4n1ozD0K2mJdBBQO0 |
19 |
|
This document presents a biodegradation test report for a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M Company, indicating high chemical oxygen demand (COD) and biochemical oxygen demand (BOD) values, but notes concerns regarding the characterization of the test substance and inoculum, which may affect the reliability of the results.
|
1989 |
AR226-0747
|
2Gm6aVYELQ6EG4VzyoqNZRwN |
6 |
|
This document reports on an acute toxicity test of a PFOS mixture (1.84% PFOS) conducted on Daphnia magna using OECD Method 202, indicating the test conditions and parameters, but notes that the data may not accurately reflect the toxicity of the fluorochemical component due to impurities.
|
1989 |
AR226-0749
|
4QrDxV0aEO7reGEBogEd4jdrj |
3 |
|
The document describes a ready biodegradability test (OECD 301E) conducted on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the biodegradability of the fluoro-chemical component due to incompletely characterized impurities.
|
1989 |
AR226-0748
|
NegLa5xKNgo3VqzB35RE9E7gV |
29 |
|
The document details an acute toxicity test conducted on a mixture containing 1.84% PFOS, using juvenile Pimephales promelas, following OECD Method 203 and U.S. EPA Method EG-9, with the study completed in 1989.
|
1989 |
AR226-0750
|
DMaKbY96MrDKo6V8GDgvDvMvQ |
3 |
|
The document describes a toxicity test conducted on a mixture containing 1.84% PFOS, produced by 3M, using the OECD 201 method to evaluate its effects on the aquatic plant species Selenastrum capricomutum over a 96-hour exposure period.
|
1989 |
AR226-0751
|
gannqDZbJja2z10Zy9rRm4x5q |
10 |
|
The document describes an Activated Sludge Respiration Inhibition Test conducted on a mixture containing 1.84% perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test assessed the toxicity of the fluorochemical component on activated sludge respiration rates.
|
1989 |
AR226-0752
|
bye5y103Q5eprmBQzkwr4G721 |
9 |
|
This document reports on a Microbios Microtox toxicity test conducted on a mixture containing 1.84% PFOS, revealing that the data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities.
|
1989 |
AR226-0753
|
N4pkmVxGpV3bJKqL1eG9X4ED |
6 |
|
The document details an acute toxicity study of a mixture containing 0.92% perfluorooctanesulfonate (PFOS) conducted on Daphnia magna, using OECD Method 202 and U.S. EPA Method EG-1, with results indicating incomplete characterization of impurities that may affect toxicity assessment.
|
1989 |
AR226-0808
|
6RXoxr7pVq73KvpkRGZ6QYpnE |
3 |
|
This document details an acute toxicity test of a mixture containing 0.92% perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, conducted using OECD Method 202 and U.S. EPA Method EG-1 in 1989, with specific test conditions and results indicating the mixture's potential toxicity.
|
1989 |
AR226-0809
|
rpY4DJE8dbLqEw93KDpzJ28dJ |
3 |
|
The document details a biodegradation test (OECD 301E) conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the data may not accurately reflect the biodegradability of the fluorochemical component due to incomplete characterization of impurities.
|
1989 |
AR226-0807
|
J3wm3nj0pNVYQ8ngZeXLyr2aX |
29 |
|
The document reports on an acute toxicity study of a PFOS-containing mixture (FC206CE) conducted on juvenile Pimephales promelas, revealing that the test was performed using OECD Method 203 and U.S. EPA Method EG-9, with specific conditions and concentrations outlined.
|
1989 |
AR226-0810
|
xj3gDnL3NRBG1vz7p0MLqBrxg |
3 |
|
The document details a toxicity test conducted on a mixture containing perfluorooctanesulfonate (PFOS) produced by 3M, indicating that the test sample's purity was not fully characterized and may not accurately reflect the toxicity of the PFOS component.
|
1989 |
AR226-0811
|
ypErN4VGQbq319rjq235owdpn |
10 |
|
The document details a Microbics Microtox toxicity test conducted on a mixture containing 0.92% PFOS, produced by 3M, indicating the test's methodology and conditions, but notes that the data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities.
|
1989 |
AR226-0812
|
9JZQLYoXa4vgzn8rBYm4MgKrR |
6 |
|
The document details an activated sludge respiration inhibition test conducted on a mixture containing 0.92% PFOS, produced by 3M, to assess its toxicity using OECD 209 methodology, with results indicating potential inaccuracies due to impurities in the test sample.
|
1989 |
AR226-0813
|
NGwKkBwXkBgrL1p9ORBQJMYep |
9 |
|
The document is a final report from Hazleton Laboratories detailing an acute oral toxicity study of a test material (sample T-4102) administered to rats, conducted under OECD guidelines.
|
1988 |
AR226-0229
|
mqXoQ1yQ01RxRkw9z4jDmGBd |
18 |
|
The document is a final report from Hazleton Laboratories detailing an acute oral toxicity study conducted on rats using a test material identified as sample T-4102, as part of a project for Minnesota Mining & Manufacturing.
|
1988 |
AR226-0229
|
V3BXaz13dGBVr4w9wvVVZG63w |
18 |
|
The document details an acute toxicity test conducted in 1988 on a mixture containing 1.34% PFOS, assessing its effects on juvenile Salmo gairdneri fish using a flow-through method, with specific conditions and parameters outlined for the study.
|
1988 |
AR226-0775
|
xjOEvkjpqnEMwaNB3zxXVNx56 |
15 |
|
The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by Pace Laboratories for 3M Company, detailing the chemical composition and providing Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) results, but noting limitations in sample characterization and lack of conclusions.
|
1988 |
AR226-0841
|
nkzjgN6xGnaN9qKe4rNKV4gxa |
4 |
|
The document details a Microtox toxicity test conducted on a mixture containing 1% PFOS and various other components, using Photobacterium phosphoreum to assess acute toxicity, with results indicating that data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities.
|
1988 |
AR226-0842
|
K8N0zz5eXMxMZz16r8zJ555o |
4 |
|
This document reports on an acute toxicity test of a mixture containing 1% perfluorooctanesulfonate (PFOS) on the aquatic invertebrate Daphnia magna, conducted using OECD Method 202, with results indicating potential toxicity that may not accurately reflect the fluorochemical component due to impurities.
|
1988 |
AR226-0843
|
kVgO8zYbjj3xp7NJ1kXZOqan |
5 |
|
The document details an acute toxicity test of a PFOS-containing mixture on fathead minnows (Pimephales promelas) using OECD Method 203, indicating that the test sample comprised 1% PFOS among other components, but did not yield calculated LC50 values due to incomplete characterization of impurities.
|
1988 |
AR226-0844
|
n2R0EjEa74JjR2mQyzxGeOb2 |
6 |
|
The document reports on an acute toxicity study of perfluorodecanesulfonate (PFDS) conducted on Pimephales promelas (fathead minnows), revealing a 96-hour LC50 of 13 mg/L and a NOEL of 3.2 mg/L.
|
1988 |
AR226-0388
|
RJ77Zb21pgbmBqpOzBvrznB4n |
8 |
|
This document appears to be a scientific article discussing developmental changes in gene expression related to cholesterol biosynthesis and lipid transport in human and rat fetal and neonatal livers, authored by researchers from Washington University School of Medicine and UCLA.
|
1988 |
AR226-0558
|
JQjkY2xBQ9Dekw91yLzN6b6B |
8 |
|
The document reports on an acute toxicity study of Perfluorodecanesulfonate (PFDS) conducted on the fish species Pimephales promelas, revealing a 96-hour LC50 value of 13 mg/L and a NOEL of 3.2 mg/L.
|
1988 |
AR226-0388
|
Oz7a2ZaY4jgxERDx312qZ8BDX |
8 |
|
This document appears to be a scientific article discussing developmental changes in gene expression related to cholesterol biosynthesis and lipid transport in human and rat fetal and neonatal livers, authored by researchers from Washington University and UCLA.
|
1988 |
AR226-0558
|
3JN4Bw3kmYRbvp32vjLvggvj3 |
8 |
|
Unreadable document.
|
1988 |
AR226-1988
|
aDBKG3ODrR3BYyb32mRBewB6b |
3 |
|
The document is an industrial hygiene report from Washington Works detailing personal exposure samples of fluorocarbons, specifically C-8/FC-143, collected between January 1988 and October 1991, with concentrations ranging from <0.03 MPB to 0.250 MPB.
|
1988 |
AR226-2064
|
ppNB6YMxwxn4y8okD85ZYEXo6 |
2 |
|
The document is an industrial hygiene report detailing the concentrations of fluorinated compounds, specifically PFOA, in the workplace at Washington Works from January 1988 to October 1991, with various sample results indicating concentrations ranging from <0.03 to 0.215 MPB.
|
1988 |
AR226-2065
|
Ra6vpXk1ZvgJJKG5Nb23nYEXX |
5 |
|
The document is an industrial hygiene report detailing personal sampling results for C-8/FC-143 (a perfluorinated compound) at the Washington Works facility from January 1988 to October 1991, indicating various concentrations and percentages of exposure among employees during specific sampling dates.
|
1988 |
AR226-2066
|
RJ38mmyzqw0xvV809zqZ623Y8 |
4 |
|
The document is an industrial hygiene report detailing the concentrations of fluorocarbons, specifically C-8/FC-143, in the workplace from January 1988 to October 1991, with various sample results indicating concentrations ranging from <0.03 MPB to 0.4E MPB among different employees.
|
1988 |
AR226-2069
|
B5v70O40Mq8vb5J6BGwM2YZwj |
3 |
|
The interoffice memorandum reports high levels of C8 (likely PFOA or PFOS) detected in groundwater samples from Letart, with specific concentrations noted for various locations, including 2.2 ppb at the Lubeck Water Playtis Home and 1.6 ppb in the Letart Upper Pond.
|
1988 |
AR226-2396
|
ZoL8nKpxRkXnz0OpXwxqyJw7 |
1 |
|
This analytical report details the testing of six water samples for perfluorooctanoate (PFOA) using electron capture gas chromatography, identifying a detection limit of 0.6 ppb and providing quantitation results for four samples, with two requiring modified methods due to high concentrations.
|
1988 |
AR226-2397
|
2J0Qpjb9MQEdMXdq4VqDvNjw7 |
2 |
|
The document reports on an in vitro biocompatibility evaluation of a compound tested with IMR-90 human diploid fibroblasts, conducted by E.I. du Pont de Nemours and Company, which found the compound to be cytotoxic under the assay conditions.
|
1988 |
AR226-2797
|
LggNMxYnaGvoo57RDDankOxxX |
12 |
|
The document reports on a skin irritation test conducted by E. I. du Pont de Nemours and Company, which found that the tested material, identified as Du Pont HLR 801-88, did not cause skin irritation in rabbits.
|
1988 |
AR226-2935
|
peBoOvrDN5qMoZ8LXwQ9L7v7d |
7 |
|
The document reports a study conducted by E. I. du Pont de Nemours and Company on the approximate lethal dose (ALD) of a substance identified as PFOA in rats, finding an ALD of 2300 mg/kg, indicating it is slightly toxic when administered as a single oral dose.
|
1988 |
AR226-2936
|
4ymmkM82Z7mRGXv7GxdVGmoG |
7 |
|
The document reports on an eye irritation test conducted by E. I. du Pont de Nemours and Company, which found that the tested material, identified as Du Pont HLR 784-88, did not cause eye irritation in rabbits.
|
1988 |
AR226-2937
|
MrGwmnJ3Xk5mx89YgjqKrbe9 |
9 |
|
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 is a TNO report commissioned by Du Pont de Nemours International S.A. regarding the migration and extraction of perfluorooctanoic acid (C-8) from PTFE coated frying pans, concluding that previous testing methods were unreliable and outlining the need for more specific toxicology testing based on migration test results.
|
1988 |
AR226-3807
|
3JGr8LEKZLLR688E9OkkYoLMO |
4 |
|
The document details an acute toxicity test conducted in 1988 on a mixture containing 1.34% perfluorooctanesulfonate (PFOS) and other components, using juvenile Salmo gairdneri fish to determine the LC50 values under specific test conditions.
|
1988 |
AR226-0775
|
4J35O2Va0a5o8R2zZvk0ROxNG |
15 |
|
The document reports on a biodegradation test conducted by Pace Laboratories for 3M Company on a mixture containing 1% PFOS, indicating Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) results, but lacks conclusive findings due to incomplete characterization of impurities and the seed source.
|
1988 |
AR226-0841
|
oerQygMzm1awGK9LqeXRb844E |
4 |
|
This document details a Microbics Microtox toxicity test conducted in 1988 on a mixture containing 1% PFOS, assessing its acute toxicity using Photobacterium phosphoreum, with findings indicating that data may not accurately reflect the toxicity of the fluorochemical component due to incompletely characterized impurities.
|
1988 |
AR226-0842
|
3Je3aqYK86kgyXX5d1J064wky |
4 |
|
The document details an acute toxicity test conducted on Daphnia magna using a mixture containing 1% perfluorooctanesulfonate (PFOS) and various other components, following OECD Method 202, with results indicating the need for caution due to the presence of impurities that may affect toxicity assessments.
|
1988 |
AR226-0843
|
ZO1mE2jO0G16DpXJmDy1jL4d |
5 |
|
The document details an acute toxicity study of a mixture containing 1% PFOS conducted on fathead minnows (Pimephales promelas) using OECD Method 203, indicating that the data may not accurately reflect the toxicity of the fluorochemical component due to incomplete characterization of impurities.
|
1988 |
AR226-0844
|
zQJ54pXB5pzK6Mkwqko6MzevR |
6 |
|
This document reports on a biodegradation study of perfluorodecanesulfonate (PFDS) conducted by 3M, indicating that while the non-fluorinated moiety (propanol) is likely to biodegrade in aerobic environments, the potential for biodegradation of the fluorinated component remains uncertain.
|
1987 |
AR226-0387
|
LJwbyvN4Xv7X8O7ypVQMVmYkX |
8 |
|
The document reports on an activated sludge respiration inhibition test for perfluorodecanesulfonate (PFDS) from 3M, indicating a 3-hour EC50 value of 780 mg/L for the test substance mixture.
|
1987 |
AR226-0390
|
OEJLZ0oRqR7B4p8rYonZyZMkp |
3 |
|
The document reports on a Microbios Microtox toxicity test of perfluorodecanesulfonate (PFDS) conducted by 3M, revealing a 15-minute EC50 value of 290 mg/L for the test organism Photobacterium phosphoreum, with caution advised due to the mixture's composition and incomplete supporting data.
|
1987 |
AR226-0391
|
peLbGR3zMBvvYB4KD75YQJyJj |
3 |
|
The document reports on a biodegradation test of a mixture containing Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by 3M, indicating that while some biodegradation occurred, the results are not representative of the test substance due to the mixture's composition and lack of detailed methodology.
|
1987 |
AR226-0395
|
V1VajE5aOwwxJaaQBkz1g37w |
3 |
|
The document discusses the results of medical examinations conducted on Specialty Chemical employees, revealing no significant health issues related to liver and kidney function, but noting three cases of pleural thickening potentially linked to past asbestos exposure, and plans for further studies on the relationship between blood fluorine levels and health outcomes.
|
1987 |
AR226-0484
|
xarBjXND1DLpgMwn1oXNMvp1 |
6 |
|
The document reports on a biodegradation study of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted by 3M Company, which yielded invalid Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) results due to discrepancies in data reporting.
|
1987 |
AR226-0495
|
7Mv9VBX6ry7jO5aBwDqq8EMLV |
5 |
|
The document details an activated sludge respiration inhibition test conducted on perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), produced by 3M, indicating varying levels of inhibition in respiration rates at different concentrations.
|
1987 |
AR226-0510
|
8wMb4O93wR8Nj8QqxNkz859B |
7 |
|
The document presents the results of a Microtox toxicity test conducted by 3M on perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), determining its 30-minute EC50 value for Photobacterium phosphoreum to be 870 mg/L.
|
1987 |
AR226-0511
|
g2R9pxKYBqj6zbN04pa6ZVB1a |
4 |
|
The document reports an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) on Daphnia magna, conducted by 3M, which found a 48-hour EC50 value of 221 mg/L.
|
1987 |
AR226-0512
|
2RnqRk9e8zLB7rE0Q4xQKZeNb |
4 |
|
This document reports on an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on the fish species Pimephales promelas, revealing total mortality at higher concentrations (320 mg/L and above) within 24 hours.
|
1987 |
AR226-0513
|
XRw301359pyw7wyqpKb6kKJad |
4 |
|
The document discusses the findings of a two-year toxicity and carcinogenicity study of fluorochemical FC-143 conducted by 3M Company, highlighting liver toxicity and neoplasms in rats, with specific attention to hepatic lesions and enzyme elevations in male rats.
|
1987 |
AR226-3630
|
Vv0wN8m9ej3Za9QkdbZq8dxK |
6 |
|
This document reports on a biodegradation study of perfluorodecanesulfonate (PFDS) conducted by 3M, indicating that while the non-fluorinated moiety (propanol) is likely to biodegrade in aerobic environments, the potential for biodegradation of the fluorinated component remains uncertain.
|
1987 |
AR226-0387
|
gbLbOb6w8mzKO7onym3pj6ZgJ |
8 |
|
The document reports on an activated sludge respiration inhibition test for perfluorodecanesulfonate (PFDS) produced by 3M, finding a 3-hour EC50 value of 780 mg/L for the test substance in a mixture.
|
1987 |
AR226-0390
|
ZJYpjxBZwgxOx9pZY543MNgeZ |
3 |
|
The document reports on a Microbios Microtox toxicity test conducted by 3M Company on a mixture containing perfluorodecanesulfonate (PFDS), revealing a 15-minute EC50 value of 290 mg/L for the test organism Photobacterium phosphoreum.
|
1987 |
AR226-0391
|
znqg6M5a1a90rkReEQvb6DBz |
3 |
|
The document reports on a biodegradation test of a mixture containing Perfluorooctanesulfonylamido(ethyl)acetate (PFOSAA) conducted by Pace Incorporated for 3M, indicating that while some biodegradation occurred, the results are not representative of the test substance due to the mixture's composition and lack of methodological details.
|
1987 |
AR226-0395
|
x5dwXwvoNab1889QLV0v20eNJ |
3 |
|
The document is a memo from DuPont requesting the establishment of acceptable levels for ammonium perfluorooctanoate (C-8) in blood and community drinking water.
|
1987 |
AR226-1636
|
jxwmwkROjzqJmdXYBL5M7odR |
1 |
|
The document discusses medical examinations conducted on Specialty Chemical employees, revealing no significant health issues related to liver and kidney function, but noting three cases of pleural thickening potentially linked to past asbestos exposure, and plans for further studies on the relationship between blood fluorine levels and health outcomes.
|
1987 |
AR226-0484
|
KJ371rEwj7bD31GgMbexwj9X2 |
6 |
|
The document reports on a biodegradation study of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted by 3M Company, which yielded invalid results due to discrepancies in data reporting and lack of sufficient characterization of the test substance.
|
1987 |
AR226-0495
|
6b6DM5Gm1p36YKzkDzM4zDXp9 |
5 |
|
The document reports on an Activated Sludge Respiration Inhibition Test conducted on PFOA ammonium salt (FC-126) produced by 3M, indicating varying levels of respiration inhibition at different concentrations, with a notable 18% inhibition observed at 100 mg/L.
|
1987 |
AR226-0510
|
EvrB8vx8gdaek3GxkD7kZD2gn |
7 |
|
The document reports on a Microtox toxicity test conducted by 3M Company on perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), determining a 30-minute EC50 value of 870 mg/L for the organism Photobacterium phosphoreum.
|
1987 |
AR226-0511
|
Vj4e0Kg1eBaZjy70Mex9xYoqo |
4 |
|
The document reports an acute toxicity test of perfluorooctanoic acid, ammonium salt (PFOA ammonium salt), conducted by 3M on Daphnia magna, revealing a 48-hour EC50 value of 221 mg/L.
|
1987 |
AR226-0512
|
gbQax7OKb4jE08KJwGNLj46vL |
4 |
|
This document reports on an acute toxicity test of perfluorooctanoic acid ammonium salt (PFOA ammonium salt) conducted on the fish species Pimephales promelas, revealing total mortality at higher concentrations (320 mg/L and above) within 24 hours.
|
1987 |
AR226-0513
|
O1DxLOp3XpyOpbjndeE2vkJgj |
4 |
|
This document appears to be related to a submission on fluorochemicals, specifically discussing toxicology, epidemiology, and medical surveillance concerning PFOA and PFOS, along with comments from a Science Advisory Board.
|
1987 |
AR226-3630
|
RJM7gdGXD407mQw0Qek26g5VE |
1 |
|
Empty document.
|
1987 |
AR226-3630
|
b5M14ZRegZjBRjEymOJN9vmj6 |
1 |
|
The document is an attachment to a letter from 3M detailing various studies related to the toxicity and carcinogenicity of perfluorooctanoic acid (PFOA), including findings from studies conducted on rats and monkeys.
|
1987 |
AR226-3630
|
g3LaJbNaOXp4Y328v5Z2nbDV |
1 |
|
Empty document.
|
1987 |
AR226-3630
|
2RJLXnxRXZby8KrDO3mYxNqQ6 |
1 |
|
The document summarizes various studies and reports related to the toxicity and carcinogenicity of PFOA (perfluorooctanoate) conducted by 3M and DuPont from 1987 to 2005, including findings from toxicity studies in rats and monkeys.
|
1987 |
AR226-3630
|
M4xqMwG8r86xvKK0xpVNrmzZV |
1 |
|
The document summarizes various toxicology studies and findings related to Perfluorooctanesulfonyl fluoride (POSF), including a 5-day and a 90-day inhalation toxicity study conducted by Huntingdon Life Sciences Ltd., as well as a review letter and a study on bladder cancer in manufacturing workers exposed to POSF.
|
1987 |
AR226-3630
|
ZJ2aOaNYZ7z8GwMrmEXjJVeNY |
1 |