Laserfiche WebLink
COLUMBIA ANALYTICAL SERVICES, INC <br /> QA/QC Report <br /> Client EMCON Associates Date Received. 02/24/93 <br /> Project EMCON Project No OG71-017 01 Service Request No - SJ93-0261 <br /> ARCO Facility No 434 Sample Matrix Water <br /> Surrogate Recovery Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> Sample Name Dae Analyzed Percent Recovery <br /> a,a,a-Tnfluorotoluene <br /> W-1A 1771 03/05/93 113 <br /> W-26 (86) 03105/93 97 <br /> W-3 (68) 03/06/93 98 <br /> W-5 (69) 03/05/93 97 <br /> W-6 (69) 03/05/93 95 <br /> W-7 (69) 03/05/93 96 <br /> W-8 (69) 03/05/93 95 <br /> W-9 (78) 03/05/93 95 <br /> W-11 (79) 03/05/93 96 <br /> W-12 (77) 03/05/93 93. <br /> W-1A (77) MS 03/05/93 104 • <br /> W-1A (77) DMS 03/05/93 106 • <br /> Method Blank 03/05/93 98 <br /> Method Blank 03/06/93 97 <br /> CAS Acceptance Criteria 70-130 <br /> TPH Total Petroleum Hydrocarbons <br /> • The surrogate used for this sample was 4-Bromofluorobenzene <br /> Approved by Date: fart <br /> 8 <br /> 1921 Ringwood Avenue • Son Jose California 95131 • Telephone 4081437 2400 • Fox 4081437 9356 <br />