|
This document reports on a non-GLP study conducted by Wildlife International, Ltd. for 3M Corporation, determining the solubility of PFOS in freshwater, freshwater algal medium, and saltwater, with mean solubility concentrations of 326 mg/L, 378 mg/L, and a value not fully provided, respectively.
|
— |
AR226-1781
|
dYQo39ZNmexprb6dje6Dm1eMQ |
6 |
|
This document reports on an activated sludge respiration inhibition test for PFOS conducted by Wildlife International, Ltd., detailing a revision of results based on a purity adjustment from 90.49% to 86.9%, and describes the methodology and findings related to the effect of PFOS on activated sludge microorganisms.
|
— |
AR226-1781
|
77qmbMkXnzzNd2j0nMw0LywR |
6 |
|
This document is an addendum to a 96-hour static acute toxicity test of PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) conducted by Wildlife International Ltd. for 3M Corporation, which includes a revision of results based on a purity change from 90.49% to 86.9%.
|
— |
AR226-1781
|
By5ZJjJ7worKmmMxENG193KRL |
7 |
|
This document is an addendum to a study by Wildlife International Ltd. on the water solubility of PFOS, indicating a revision of the test substance's purity from 98.9% to 86.9%, which resulted in a corrected mean solubility concentration of PFOS in NANOpure water of 498 mg a.i./L.
|
— |
AR226-1781
|
ZJLkD19N5jyY1nJJBm7p4m2EJ |
6 |
|
This document is an addendum to a 96-hour toxicity test of PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) conducted by Wildlife International Ltd. for 3M Corporation, which includes a revision of results based on a purity analysis adjustment from 90.49% to 86.9%.
|
— |
AR226-1781
|
2XzDYZ6RQ2dgp8ywLb4oZokr |
8 |
|
This document is an addendum to a study by Wildlife International, Ltd. on the acute toxicity of PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) to the cladoceran Daphnia magna, which includes revised results based on a purity adjustment from 90.49% to 86.9%.
|
— |
AR226-1781
|
6wOZMMwBKkwYXzq5o0XRn6KxE |
7 |
|
This document is an addendum to a study conducted by Wildlife International, Ltd. on the acute toxicity of PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) to the freshwater mussel (Unio complamatus), which includes a revision of test results based on updated purity analyses from 90.49% to 86.9%.
|
— |
AR226-1781
|
XRnzgxq74j9wXR9KBN37yZvrw |
7 |
|
This document is an addendum to a study by Wildlife International, Ltd. on PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) that details a 96-hour shell deposition test with the Eastern Oyster (Crassostrea virginica), including a revision of test results based on updated purity analysis from 90.49% to 86.9%.
|
— |
AR226-1781
|
Gq6LNzVqv6J2ErZvX6jJ77q4 |
7 |
|
This document is an addendum to a toxicity test report conducted by Wildlife International, Ltd. for 3M Corporation, detailing a flow-through life-cycle toxicity test of PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) on the saltwater mysid (Mysidopsis bahia), which includes a revision of test results based on updated purity analysis from 90.
|
— |
AR226-1781
|
nk01MRGo9Xj2Lo9owGgr9Epb6 |
7 |
|
This document is an addendum to a toxicity test report conducted by Wildlife International Ltd. for 3M Corporation, detailing the early life-stage toxicity of PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) on fathead minnows, including a revision of results based on a purity adjustment from 90.49% to 86.9%.
|
— |
AR226-1781
|
wqe97bwQn4Rmb2LKvNzwKEOaE |
7 |
|
This document is an addendum to a study by Wildlife International, Ltd. on the toxicity of PFOS (Perfluorooctane Sulfonic Acid Potassium Salt) to the cladoceran Daphnia magna, which includes a revision of results based on a purity adjustment from 90.49% to 86.9% as requested by the sponsor, 3M Corporation.
|
— |
AR226-1781
|
wrp3VZy9xMDgqo5R8vq062R1V |
7 |
|
This is an aquatic toxicity data sheet detailing a test conducted by the Environmental Engineering Laboratory, which includes information on the test organisms, conditions, and results over various time intervals.
|
— |
AR226-1781
|
bZD1Q5m2EbMpE2aXQo142OMO |
1 |
|
The document reports that a Covance study found that perfluorooctane sulfonic acid (PFOS) does not interfere with the serum cholesterol assay used in their testing.
|
— |
AR226-1781
|
vBxL1O4nq3LEKvom5LJxgjnYq |
2 |
|
The document details a study conducted by 3M to assess the oral toxicity of perfluorooctanesulfonyl fluoride (POSF) in rats, focusing on preliminary toxicity data following single oral exposure at varying dose levels.
|
— |
AR226-1781
|
7OJ9vkQmnmzanzyzakJJb2NJa |
7 |
|
The document is a sample analysis report from Northwest Bioanalytical for 3M, detailing the quantitative determination of PFOS and related compounds in human serum using LC/MS/MS under study protocol EPI-Swed.
|
— |
AR226-1781
|
062xm2V3287mpR628wgXN4YvV |
24 |
|
This document is a sample analysis report from Northwest Bioanalytical for the quantitative determination of PFOS and related compounds in human serum and plasma, prepared for the 3M Company under study protocol EPI-0012.
|
— |
AR226-1781
|
ZJn1EpZpnXMKD36YrMwGE4wVZ |
90 |
|
The document presents ecotoxicological testing results for PFOS, comparing effect concentrations calculated using different sample purities, highlighting various no-observed effect concentrations (NOEC) and effective concentrations (EC) across multiple aquatic and avian species.
|
— |
AR226-1781
|
Ra29YXe7O2roMGXEKzRE74O8V |
1 |
|
The document is a sample analysis report from Northwest Bioanalytical for 3M, detailing the quantitative determination of PFOS and related compounds in human serum using LC/MS/MS, conducted under study protocol EPI-PEuro.
|
— |
AR226-1781
|
0JJJ8wQJZrB6Qw1xDBYzrzYgb |
23 |
|
This analytical report by Exygen Research, requested by 3M Environmental Technology and Safety Services, details the total perfluorooctanesulfonate (PFOS) content found in mallard and quail egg yolk samples, including the distribution of PFOS in different yolk fractions.
|
— |
AR226-1781
|
nRDbxZmBEXXrjVYEwxGOBX4R |
64 |
|
This document appears to be a report discussing blood levels of RF/RF in selected employees, likely related to a study conducted by 3M, although the text is largely unreadable due to OCR errors.
|
— |
AR226-0479
|
2qnXV09azzY2nXOrq3M1V3X4g |
2 |
|
The document provides a summary of various laboratory studies conducted by 3M Environmental Lab on the environmental fate, biodegradation, and solubility of PFOA and its associated salts, including FC-143 and FX-1001, along with critiques from external experts.
|
— |
AR226-0486
|
zKXMNQEyRQKXOzMm889ngbRz |
11 |
|
The document reports on an acute toxicity test of perfluorooctanoic acid (PFOA ammonium salt) on Daphnia magna, finding an EC50 value of 126 mg/L based on nominal concentrations.
|
— |
AR226-0507
|
zoyZLdkXbmqjKRNGKKkpyM710 |
13 |
|
This analytical report from Exygen Research details the analysis of total perfluorooctanesulfonate (PFOS) in mallard and quail egg yolk samples, including the distribution of PFOS in different fractions of the yolk, as requested by 3M Environmental Technology and Safety Services.
|
— |
AR226-1834
|
kmy3XGkmLz0knrLMXBxy07kBD |
64 |
|
The document summarizes various ecotoxicity tests conducted by 3M on PFOA and its associated salts (FC-143) between 1977 and 1979, detailing findings on acute toxicity to aquatic organisms such as fathead minnows and daphnia, as well as other environmental characteristics.
|
— |
AR226-0528
|
gEYOm37o77ddzvkV8j0y8E9DL |
13 |
|
The document reports on a study conducted by 3M Chemicals on the metabolism of N-Ethyl Perfluorooctane Sulfonamido Ethanol (Net-Fose; T-6316) in Cynomolgus monkeys following a single capsule dose, completed by Covance Laboratories.
|
— |
AR226-0532
|
g2XRejja3YZdrgoYvvrN02m4e |
79 |
|
The document details a toxicity study on perfluorooctylsulfonate (PFOS) conducted on the aquatic plant species Selenastrum capricornutum, using a test sample from 3M, with results based on growth rate and cell count over a 96-hour exposure period.
|
— |
AR226-0536
|
1gp19gxG86jr437db63OvkqDo |
13 |
|
The document details a toxicity study of perfluorooctylsulfonate (PFOS) conducted on the algae species Selenastrum capricornutum, using a test sample from 3M, to evaluate its effects on aquatic plants under OECD guidelines.
|
— |
AR226-0537
|
QX2mRQO5BM6Normo4booGRn6k |
14 |
|
This analytical report from Exygen Research, requested by 3M Environmental Technology and Safety Services, details the analysis of total perfluorooctanesulfonate (PFOS) in mallard and quail egg yolk samples, including the distribution of PFOS in different fractions of the yolk.
|
— |
AR226-1858
|
OEQdor8DxEBmG6KJQRXeLk50K |
64 |
|
This document outlines a study protocol by Argus Research Laboratories, sponsored by 3M Toxicology Services, to assess the reproductive toxicity of PFOS in rats, focusing on various stages of reproduction and potential effects on offspring development.
|
— |
AR226-0561
|
82aV6vJ98g69xY94ZE2o6O7nd |
68 |
|
The document is an amendment to a laboratory report from 3M Environmental Laboratory regarding the analysis of potassium perfluorooctanesulfonate (PFOS) in the serum and liver of Sprague-Dawley rats, correcting inaccuracies related to the purity value of the analytical reference substance PFOS Lot 193 and noting that further chemical characterization is needed.
|
— |
AR226-0562
|
9rMD3Mp9znQxbzzOexyOJNN5 |
4 |
|
This document is an analytical phase report for a reproduction study on PFOS conducted with the Northern Bobwhite by the 3M Environmental Laboratory, detailing compliance with TSCA GLP standards and noting certain exceptions.
|
— |
AR226-1856
|
1585wBNyNbRpn8nexeGYb1bLq |
226 |
|
This document contains estrous cycle data for multiple groups of animals in the P1 generation, detailing the number of days in estrus, diestrus, and proestrus, as well as mean cycle lengths and the number of cycles observed.
|
— |
AR226-1781
|
zbMx5Xno781XJVkpr4Ek7eeX6 |
18 |
|
This document is a notice from 3M regarding the submission of information to the EPA about fluorochemistry, emphasizing the importance of maintaining the integrity of the documents provided.
|
— |
AR226-1781
|
YDdbK4xzOKO5e0DrjVD9jamkD |
1 |
|
The document is a final report on a 28-day repeated dermal contact study of PFOS conducted by Fraunhofer ITEM on Sprague-Dawley rats, sponsored by 3M, detailing the study's methodology, results, and findings related to the concentration of PFOS in liver and blood serum samples.
|
— |
AR226-1874
|
9Jq5Jg17gq6DkyyMmjgO4Nbx3 |
25 |
|
The document is a final report from Fraunhofer ITEM detailing a 28-day repeated dermal contact study of 3M test articles in Sprague-Dawley rats, focusing on the analysis of fluorochemical residuals, specifically N-Methyl FOSE and N-Methyl FOS Amide concentrations in various treated products.
|
— |
AR226-1874
|
oeqGGkmnqNRo06449M89m0p7g |
56 |
|
The document presents findings from a 28-day repeated dermal contact study of PFOS in Sprague-Dawley rats, indicating various levels of PFOS detected in liver samples from different test articles produced by 3M, with most results showing concentrations below 0.01 ppm.
|
— |
AR226-1874
|
5Dbp1aeLGj6JD3joMy97m4MX8 |
4 |
|
The document presents histopathological findings from a 28-day repeated dermal contact study of 3M test articles in Sprague-Dawley rats, noting various skin and heart lesions associated with the treatments.
|
— |
AR226-1874
|
gDEwr0JdN77g2v4QyaYeZBjDQ |
68 |
|
The document is a submission to the EPA by MIC Specialty Chemicals, Inc. regarding a report from Dr. Giovanni Costa of the University of Verona about biological monitoring of workers exposed to perfluorooctanoic acid (PFOA) at Miteni S.p.A., an Italian manufacturer of PFOA, indicating no substantial risk was identified.
|
— |
AR226-1868
|
zomDvBddNDBYr7K6oeoey6bYR |
10 |
|
The document presents a statistical analysis of serum lipid data related to Miteni workers, focusing on the relationship between serum lipid levels and PFOA concentrations, with various slopes and p-values indicating the strength of these associations over multiple years.
|
— |
AR226-1869
|
gDYN795QDYq8XRy8jb2Q9dp5e |
20 |
|
The document is an analytical report from Exygen Research detailing the analysis of perfluorooctanoic acid (PFOA) in human serum samples, which were received from Dr. Tamara Bailey for testing.
|
— |
AR226-1871
|
RaRzON4n7RbqvXdLvvmGmQZB8 |
10 |
|
Unreadable document.
|
— |
AR226-1881
|
RpNaboNKnojK0QjYk9mGpEgqV |
2 |
|
The document details amendments and deviations from a 28-day repeated dermal contact study of 3M test articles in Sprague-Dawley rats, specifically addressing the pre-conditioning of fabrics with deionized water and the analysis of PFOS, PFHS, and M570 in blood samples due to the presence of PFOS in liver samples.
|
— |
AR226-1874
|
kmv4RKR1vyOx35qQxvXDbmymn |
12 |
|
The document presents findings from a 28-day repeated dermal contact study of 3M test articles in Sprague-Dawley rats, specifically detailing the residues of PFOS detected in rat blood serum samples on days 4 and 14.
|
— |
AR226-1874
|
3QV4J953jb5xpNbmVVwan95z0 |
13 |
|
The document summarizes a biopersistence screening study conducted by DuPont on potassium perfluoroalkyl sulfonate (PFOS) in male rats, detailing the exposure periods, treatment frequency, and methods used to assess the substance's effects on blood and liver, with a focus on total fluorine content analysis.
|
— |
AR226-0574
|
Qp71K8yLOeO9wJRrz0zyG3vL |
53 |
|
The document presents data on serum PFOA levels among workers assigned to Teflon production, showing a median level of 0.494 ppm for current Teflon workers compared to lower levels in those never assigned to Teflon.
|
— |
AR226-1885
|
nqgd8L7mR2aJdZqeNQp4OEGX |
1 |
|
3M Company submitted studies related to perfluorinated compounds to the EPA under TSCA Section 8(e), indicating that the data may not strictly corroborate previously reported information but could warrant submission based on EPA's guidance.
|
— |
AR226-1895
|
65BZmnLxX2Qd1dO353KEBKO8o |
11 |
|
3M Company submitted studies related to perfluorinated compounds, including PFOA, to the EPA under TSCA Section 8(e), indicating that the data may not fully corroborate previously reported information but could warrant submission based on EPA guidance.
|
— |
AR226-1897
|
KJY4voqJmdmYrzdzrqwxnx006 |
11 |
|
The document is a pathology peer review report confirming the original conclusions of a 26-week toxicity study with ammonium perfluorooctanoate (APFO) in cynomolgus monkeys, indicating that the cause of moribundity in one animal was determined while the cause in another was unclear, but unlikely related to APFO treatment.
|
— |
AR226-3630
|
vVmNRmbdO47yEjQyJZj2mJ4mZ |
1 |
|
The document provides information on the chemical identification and production process of Perfluorooctane sulfonamide (CAS Number 754-91-6) by 3M Company, detailing their use of the Simons Electro-Chemical Fluorination process to synthesize organofluorine molecules.
|
— |
AR226-0577
|
4aGjnkkoRn8KbJr7dr8263a51 |
14 |
|
The document provides information about N-ethylperfluorooctylsulfonamido ethyl acrylate (EtFOSEA), a chemical produced by 3M Company using the Simons Electro-Chemical Fluorination process, detailing its synthesis and distribution.
|
— |
AR226-0584
|
ByN2QRq9b1r7yOQ63nD15XNdE |
19 |
|
The document is a pathology peer review report confirming the original conclusions of a 26-week toxicity study on ammonium perfluorooctanoate (APFO) in cynomolgus monkeys, indicating that the cause of moribundity in one animal was determined while the cause for another animal remains unclear, with a low likelihood of APFO treatment being responsible for the latter's condition.
|
— |
AR226-1918
|
O2zoobKGNV9bOn7d621w8paL |
1 |
|
The document reports on a 13-week inhalation toxicity study of Perfluorooctanesulfonyl fluoride (POSF) in CD rats, followed by a 4-week recovery period, conducted by HWAHCPEENaluuocm2nnGoo8ttbnliiLlnnrb4eAigguHydddNrgSRyooeD.
|
— |
AR226-3630
|
pBEow2aqexBbJV66nZRNqnZ1j |
377 |
|
This is a TSCA NCIC Notification Form indicating that the referenced document is claimed as confidential business information under Section 14 of the Toxic Substances Control Act.
|
— |
AR226-0589
|
GKEmYvN71pDVZoJ8bnX2LDGwx |
1 |
|
This is a proposed agenda for a meeting organized by the American Chemistry Council regarding EPA's invitation to discuss concerns about PFOS and related compounds, scheduled for June 19, 2000.
|
— |
AR226-0591
|
xj6R52w2rzrpKEaJKy8R0oXVG |
3 |
|
Unreadable document.
|
— |
AR226-0592
|
Yrqxw10886KrgvynMdONe1kzO |
1 |
|
E. I. du Pont de Nemours and Company provides a voluntary Use and Exposure Information Profile for Ammonium Perfluorooctanoate (APFO), detailing its use as a reaction aid in the production of polytetrafluoroethylene (PTFE) at their Washington Works facility, along with the management of APFO waste and emissions.
|
— |
AR226-0599
|
NepBGEq3n5aZdvxOj7nonQrQD |
11 |
|
This is a TSCA NCIC Notification Form indicating that the referenced document is claimed as confidential business information under Section 14 of the Toxic Substances Control Act.
|
— |
AR226-0601
|
O1R6jrqzZBBgqorOdV1kVX0je |
1 |
|
Unreadable document.
|
— |
AR226-0603
|
RYV1J60oDdDKDLd35j9Q6Eok |
1 |
|
Unreadable document.
|
— |
AR226-0607
|
OJE6LvEj0KJ11bzQmn0zQoKXQ |
1 |
|
This is a TSCA NCIC Notification Form indicating that the referenced document is claimed as confidential business information under the Toxic Substances Control Act.
|
— |
AR226-0608
|
rep2bxp5N34bro5NEMVE2JqwV |
1 |
|
Unreadable document.
|
— |
AR226-0613
|
5kjJLEb2w8XnjgaNmzQNMorne |
1 |
|
This document presents data on PFOA levels in various water sources in Ohio and West Virginia, along with demographic information and cancer odds ratios for a population exposed to PFOA, indicating significant health implications related to exposure.
|
— |
AR226-1926
|
M4zoMQB0VjD8GOK71Rng9BYRy |
16 |
|
This document contains a summary of analytical reports for PFOA and PFOS in water samples from various locations, including Hastings, Cottage Grove, and Oakdale, as well as a health data validation project related to PFOA.
|
— |
AR226-1930
|
qkzq7ZVYX0y0X0aMb9eL0x0Zj |
1 |
|
This revised analytical report from Exygen Research details the analysis of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonate (PFOS) in water samples collected from Hastings Municipality at the request of 3M Company, confirming that the analytical results remain unchanged despite minor text revisions.
|
— |
AR226-1931
|
J3L8xNep4Z6Yd35vxm2NokgKr |
10 |
|
This revised analytical report from Exygen Research details the analysis of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonate (PFOS) in water samples collected by 3M Company, confirming that the analytical results remain unchanged despite updates to requester information.
|
— |
AR226-1932
|
MJorE6jwRa2Yy5BRG8KJpbgXM |
10 |
|
This document is a final laboratory report from 3M Environmental Laboratory detailing the analysis of perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS) in water samples collected from the Dyneon facility in Oakdale, Minnesota, on January 4, 2005.
|
— |
AR226-1934
|
8VZYkzXeKeV0gE6758nqYVR7k |
8 |
|
This document is an analytical report from Exygen Research detailing the analysis of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonate (PFOS) in water samples collected from Oakdale Municipality, as requested by Gary Hohenstein of 3M Company.
|
— |
AR226-1935
|
MGd5pJ8KE6rDQxJkDq5dNVD9y |
10 |
|
The document is an analytical report from Exygen Research detailing the analysis of perfluorooctanoate (PFOA) and perfluorooctanesulfonate (PFOS) in water samples collected from Oakdale Municipality at the request of Gary Hohenstein from 3M Company.
|
— |
AR226-1946
|
823YNKy1B91kyXbQbg5eErGOZ |
23 |
|
The document is an analytical report from Exygen Research detailing the analysis of PFOA and PFOS in water samples from Oakdale Municipality, requested by Gary Hohenstein of 3M Company, indicating that twenty-one samples were received and analyzed using solid phase extraction and liquid chromatography-tandem mass spectrometry methods.
|
— |
AR226-1947
|
5DQYd2dR8mNQQnk49J572Vere |
37 |
|
The document is an analytical report from Exygen Research detailing the analysis of perfluorooctanoate (PFOA) and perfluorooctanesulfonate (PFOS) in water samples collected from Oakdale Municipality at the request of 3M Company.
|
— |
AR226-1950
|
LovgGXry2VVwKJ4LoK64ggGwb |
23 |
|
The document is an analytical report from Exygen Research detailing the analysis of perfluorooctanoate (PFOA) and perfluorooctanesulfonate (PFOS) in water samples collected from Oakdale Municipality at the request of Gary Hohenstein from 3M Company.
|
— |
AR226-1951
|
o973o8q9pomzdYbJxrgzeOML7 |
22 |
|
The document is an analytical report from Exygen Research detailing the analysis of perfluorooctanoate (PFOA) and perfluorooctanesulfonate (PFOS) in water samples collected from Hastings Municipality at the request of Gary A. Hohenstein from 3M Company.
|
— |
AR226-1952
|
3Ng66p762o4zqMoRBmb1q8L46 |
15 |
|
This is a letterhead cover page from an unspecified laboratory, with no analytical content retained in the OCR.
|
— |
AR226-1957
|
Gm4qoGVXMq7e91Yj1MDkQydyn |
14 |
|
Empty document.
|
— |
AR226-1960
|
pmb6naoO4brBkdrYeOpZ3rnza |
3 |
|
Empty document.
|
— |
AR226-1962
|
QJV1YG8JZ5rM9eXBp1NwLxYk |
3 |
|
Unreadable document.
|
— |
AR226-1966
|
prngyxdn0dK06587Dz0VmnMB |
4 |
|
Unreadable document.
|
— |
AR226-1979
|
j4GoRVMZ5yoMekD9LwxzJ23Q |
8 |
|
Unreadable document.
|
— |
AR226-1989
|
5kjeKXv55brd0Xrmnom9M4x5z |
2 |
|
This document outlines various environmental influence projects and investigations related to C-8 at the Washington Works facility, including groundwater contamination studies and landfill assessments.
|
— |
AR226-2011
|
RJNgB59L459QBpdw9w41mLxya |
15 |
|
This document reports on air monitoring data for PFOA exposure at DuPont's Washington Works, indicating that none of the 82 personal samples exceeded the exposure limit of 0.59 moles/billion, but three job assignments require additional sampling to ensure compliance with corporate exposure objectives.
|
— |
AR226-2015
|
0gQJ0bQKRxnNay7gpQQqKmLgJ |
1 |
|
The document presents air concentration trends of perfluorooctanoic acid (C-8) from various operators, showing a range of measured values in parts per billion (ppb) over several years, with the highest recorded concentration from the Fine Powder Dryer Operator at 1.40 ppb in 1980.
|
— |
AR226-2016
|
o9gM8rZq55V85Vw2aM8ZB5GDD |
4 |
|
This is a letterhead cover page from an unspecified department, with no analytical content retained in the OCR.
|
— |
AR226-2018
|
qG92JqvE7wQ84ML3pLe1OLjG |
2 |
|
The document presents air and blood monitoring results for C-8 (PFOA) exposure among DuPont workers at the Washington Works facility, indicating a correlation between air and blood levels of C-8, with concerns about bio-persistence and data interpretation challenges.
|
— |
AR226-2021
|
6brrE4rBvXqDMagR2oLG2321o |
9 |
|
Unreadable document.
|
— |
AR226-2026
|
65wOj91NKXkGxaDBOrk51pV26 |
3 |
|
The document summarizes observations and conclusions regarding exposure risks and operational practices related to C-8 (perfluorooctanoic acid, PFOA) in two job contexts, highlighting the need for improved safety measures such as a drip pan and air monitoring due to potential exposure concerns.
|
— |
AR226-2025
|
VGz0eX120yKO3n7m5myrpdn08 |
13 |
|
The document discusses the levels of C-8 (PFOA) around PEP coagulators and in PSR resins, reporting that samples taken show concentrations ranging from 0.06 to 2.01 PPB and that levels in PSR have decreased from 25 ppm to 2 ppm due to process improvements.
|
— |
AR226-2027
|
0gqmnQ61JZ2er61jBZ4zRZO7n |
1 |
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The document discusses concerns about elevated C-8 (PFOA) levels in air around the granular addition hood, prompting a request for plans to reduce operator exposure through potential enclosure of the area.
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AR226-2030
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v6Go8oQ6EbwB9gmq9JOL0Me1b |
1 |
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The document discusses employee exposure to C-8 (perfluorooctanoic acid, PFOA) during operations involving draining tanks and filters, highlighting the need for improved safety measures due to high airborne levels detected in the workplace.
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AR226-2031
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5bpm0RJO527Km5kvdroBMrgM4 |
3 |
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This document reports on the analysis of C-8 (PFOA) samples taken from the roof of the C-8 Recovery Building by DuPont, indicating that the measured levels were below the company's action level of 0.56 mpb, with a blank sample showing negligible contamination.
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AR226-2032
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5b2wp3M9BLmNyJ5wQY6M9p61R |
1 |
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The document summarizes a C-8 sampling project conducted by Environmental Lab LSE, focusing on air and surface wipe sampling for perfluorooctanoic acid (C-8) in Teflon areas, in response to previous blood testing results indicating elevated C-8 levels.
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AR226-2028
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5DKoY1DdM6qXX0BgEdzapq3M4 |
41 |
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The document discusses the need for action regarding elevated C-8 (PFOA) levels found in roof samples at the B-162 site, including potential relocation of the smoking area and investigation into roof access procedures for construction workers.
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AR226-2034
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Gm2wb3yMaamGQGoYJqQY4BvBm |
1 |
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The document discusses issues with the determination of C8 (likely referring to PFOA) in air samples collected on July 24, 1998, recommending resampling due to erratic results and calibration problems, while noting improved calibration results obtained on July 27.
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AR226-2036
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EqJo1wndGNomp6xrjEo5vebB0 |
2 |
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This document reports on air samples collected on July 29, 1998, which showed appreciable levels of C-8 (perfluorooctanoic acid) in various locations, indicating the need for additional sampling to improve method robustness and address potential identification issues.
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AR226-2037
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wr6xyLwoeb8w14yoZqe12kqME |
2 |
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The document details the sampling of C-8 (PFOA) from various locations within the DuPont facility, noting wind conditions and the observation of bubbles from a candle, with samples to be sent for analysis to Teflon Lab.
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AR226-2041
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pm4YXkEzKLJoGqG4evwLOn13d |
1 |
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The document reports the results of nonroutine C-8 (PFOA) testing conducted by DuPont on June 8, 1999, showing concentrations of 0.54 mpb on the Recovery Building Roof and 1.15 mpb inside the Recovery Building, with a pump failure in the Smoking Area resulting in no data.
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AR226-2043
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MMqN1kMvQL7g1kMyrK9m2ZOxy |
1 |
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The document discusses the historical presence of C-8 (PFOA) in the blood of workers at Washington Works, noting its persistence, the lack of excess disease incidence among employees, and the correlation between blood and air levels of C-8, influenced by dermal exposure.
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AR226-2042
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Lgm3nMGbnJMXJYzyvNBXYZq7z |
11 |
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The document discusses high C-8 (PFOA) results found in the slab rack area and fine powder recovery building at DuPont, indicating levels near the action exposure limit (AEL) and suggesting the need for investigations to determine the cause.
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AR226-2044
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2qyONkMgXazEpzLndydBoaBjR |
1 |
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The document discusses a follow-up meeting regarding the C-8 recovery system at DuPont, where it was reported that the estimated maximum concentration of PFOA exposure from bubbles during rain is significantly lower than the action level, and outlines steps for further communication and analysis of the situation.
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AR226-2045
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dZJZEz27vG6YBadOqbKOeerR |
1 |
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The document discusses high levels of C-8 (PFOA) detected on the roofs of buildings B-124 and B-162, indicating the need for increased personal protective equipment (PPE) due to emissions from a scrubber exhaust, which may be generating a mist contributing to elevated sample results.
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AR226-2046
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102nw5N3oM38BbpMNnK1bVjZd |
1 |
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Unreadable document.
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AR226-2051
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dJpoxDN7KYewKBMpkL14abzb |
2 |