Laserfiche WebLink
Trace Analysis Laboratory, Inc. Telephone (510) 783-6960 <br /> 3423 Investment Boulevard, #8 • Hayward, California 94545 Facsimile (510) 783-1512 <br /> -_- _ LOG NUMBER: 4841 <br /> s DATE SAMPLED: 10/10/94 <br /> DATE RECEIVED: 10/11/94 <br /> DATE ANALYZED: 10/12/94 <br /> DATE REPORTED: 10/18/94 <br /> CUSTOMER: - Conoco, Inc. <br /> REQUESTER: Lenard Long of Sunriver Engineering and Construction, Inc. <br /> PROJECT: No 93036, Stockton, 4325 East Washington Avenue, Stockton, CA <br /> Sample Type: Vapor <br /> I-1 Method Blank <br /> Method and Concen- Reporting Concen- Reporting <br /> Constituent: Units tration Limit tration Limit -- <br /> Modified <br /> imtitModifled DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 2,400 200 ND 10 f� <br /> i Modified EPA Method 8020 for: <br /> Benzene mg/m3 ND 2.0 ND 0. 10 <br /> Toluene mg/m3 9.9 2.0 ND 0.10 <br /> Ethylbenzene mg/m3 25 2.0 ND 0.10 <br /> Xylenes mg/m3 280 3.0 ND 0.30 <br /> QC Summary: <br /> % Recovery: 98* <br /> % RPD: 11 <br /> Concentrations reported as ND were not detected at or above the reporting limit. <br /> * The Recovery for vapor samples is based on the Laboratory Control Sample. <br /> r <br /> Louis W. DuPuis <br /> Quality Assurance/Quality Control Manager <br /> Founding Member of the Association of California Testing Laboratories <br />