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RECORD NUMBER: 50 OF 3957

Main Title Addendum to the Method 1668A Interlaboratory Validation Study Report, March 2010.
CORP Author Environmental Protection Agency, Washington, DC. Office of Water.
Year Published 2010
Report Number EPA/820/R-10/003
Stock Number PB2010-115364
Subjects Chlorinated aromatic hydrocarbons; Water pollution sampling; Soil sampling; Test methods; Chemical analysis; Sediments; Biosolids; Quality control; Validation; Statistical data; EPA method 1668A
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS PB2010-115364 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/21/2011
Collation 5p
Abstract This addendum to the Method 1668A Interlaboratory Validation Study Report (dated November 2008) revises Table 4-1, Congener Detection Rates and Concentrations in Study Samples (by Matrix and Level of Chlorination), and revises the section on quality control (QC) acceptance criteria in the report, including revision of the QC acceptance criteria in Table 5-1 of the report. The criteria were reassessed in response to laboratory feedback that some of the criteria in the report were unrealistically restrictive, and were revised based on an assessment of recently submitted data. The revised QC acceptance criteria in this addendum were developed based on the combination of a statistical analysis and a holistic view of the data.
Supplementary Notes See also PB2010-115363, Full Report.
Availability Notes Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA.
PUB Date Free Form Mar 2010
Category Codes 68C; 68D; 99A
NTIS Prices PC A01/MF A01
Document Type NT
Control Number 128602650
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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