ARCHIVED REPORTS_XR0007960 - Laserfiche WebLink

Home Browse Search

' DATA VALIDATION MEMO DAMES & MOORE 8801 Folsom Boulevard,#240 Sacramento,CA 95826 A DAMES 3 MOORE GROUP COMPANY Telephone-(916)387-8800 Fax-(916)387-0802 TO: Jack Kemp INFO: FROM: Sacramento QA/QC Group FILE: 15884-017-044 DATE: April 15, 1999 SITE: American Forest Products SUBJECT: Summary of Data Validation for Quanterra Project G9C190251 A check for data completeness (Completeness Check) was performed by the Sacramento QA/QC Group on Quanterra Project G9C190251 for the American Forest Products Project This report contains analytical data for three aqueous samples DMW-6, DMW-7, and DMW-Q Samples DMW-6/DMW-Q represent a field duplicate pair These samples were collected on March 18, 1999 and submitted to the laboratory for analysis of Total Petroleum Hydrocarbons-Diesel (EPA 8015M) The laboratory report was received by the Sacramento QA/QC group on April 14, 1999 The data were reviewed in accordance with analytical methods outlined in EPA SW-846 The data were evaluated based on the following parameters Vol, Data Completeness ✓ Holding Times ✓ Blanks ✓ Surrogates ✓ Laboratory Control Samples ✓ Matrix Spike/Matrix Spike Duplicates ✓ Field Duplicates ✓ Compound Identification and Quantification The following presents an overview of the Completeness Check • All analyses were performed as per the chain-of-custody records All samples were received at 20°C, which exceeds the recommended temperature Since these samples were received by the laboratory within hours of collection, it may not have had sufficient time to cool Consequently, qualification of the data was not warranted • All samples were extracted and analyzed within the method-specified holding times • No contaminants were detected in any of the associated method blanks • The laboratory did not perform a MS/MSD analysis All LCS/LCSD results met QC criteria i • No significant differences were noted in the field duplicate pair DMW-6/DMW-Q A 1Sacva308 644