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mas Barta en, M.S. <br />ality Assurance Office <br /> ENVIROM ACI`ITAL <br />a • <br />ANALYTICAL CHEMI sERVI6- <br />July 7, 1993 <br /> 93 Sit. -a Ptif 2: 3 6 <br />QA/QC ID# 930611 502.2-301A <br />San Joaquin County Health Dept RE: Organic Analysis <br />P.O. Box 2009 <br />Stockton , CA 95201 Extracted: N/A <br />Analyzed : June 11, 1993 <br />FGL Environmental Quality Assurance Report <br />EPA METHOD 502.2 <br />CONC. <br />SPIKED <br />ACCURACY <br />Is RECOVERED <br />PRECISION <br />Is DIFFERENCE <br />CONSTITUENT ug/L MS MSD AR RPD MAV <br />Benzene 5.0 99 116 37-151 15.7 30.0 <br />Chlorobenzene 5.0 95 119 37-160 22.4 30.0 <br />Toluene 5.0 95 111 47-163 15.5 30.0 <br />MS = Matrix Spike MSD = Matrix Spike Duplicate <br />AR = Acceptable Range RPD = Relative Percent Difference <br />Matrix = Laboratory Blank Water <br />MAV = Maximum Acceptable Value <br />FGL ENVIRONMENTAL <br />Corporate Offices & Laboratory <br />P.O. Box 272 / 853 Corporation Street <br />Santa Paula, CA 93061-0272 <br />TEL: (805) 659-0910 <br />FAX: (805) 525-4172 <br />Office & Laboratory <br />2500 Stagecoach Road <br />Stockton, CA 95215 <br />TEL: (209) 942-0181 <br />FAX: (209) 942-0423 <br />Field Office <br />Visalia, California <br />TEL: (209) 734-9473 <br />Mobile: (209) 738-6273