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Spargero Analytical Laboratory DMsion <br /> Mobile Laboratory <br /> boratory DMsion <br /> Sclentiftc Division <br /> lr�li -�r�t�rTt�7tr��r� rr} 1�'�r�cl <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr Ray Henry Date Sampled Nov 28 1994 <br /> RAH Environmental, Inc Date Received Nov 29, 1994 <br /> 3310 Swetzer Road Date Analyzed Dec 4, 1994 <br /> Loomis CA 95650 <br /> Project ID 7951 Project Name Tri-Valley Growers (TVG) <br /> Client ID LCS/LCSD LAB ID ST94-12-004 LCS <br /> ST94-12-004 LCSD <br /> Matrix Soil Dilution <br /> Conc Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 29 30 ug/kg 97% 100% 3% <br /> Toluene 30 ppb ND 31 33 ug/kg 103% 110% 6% <br /> Ethylbenzene 30 ppb ND 32 33 ug/kg 107% 110% 3% <br /> Xylenes 30 ppb NO 32 32 ug/kg 107% 107% 0% <br /> Surrogate % Recovery of Trifluorotoluene = 92% LCS 112% LCSD <br /> ppb=parts per billion=ug/kg=micrograms pef kilogram <br /> ppm=parts per mmion=uglg=micrograms per gram <br /> ND=Not Detected Compound(s)may be present at concenuanons I:elow the cetecnen limit <br /> Dec 8 1994 <br /> R L James Principal Chemist Date Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LA8ORATGRY iNL, j CERTIFVED Ry THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZAROOUS WASTE TESTING LAE3QRATORY <br /> Ce(phtahon No 073) <br /> 3050 Fite Circle Suite 112 9 nio Colifc) )tr ?% • (946) 362-8947 • FAX (946) 362-0947 <br />