Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 <br /> (510) 686-9600 • FAX (510) 686-9689 <br /> Alton Geoscience Client Project ID: Mobil #04-343/#30-0136 Sampled: Apr 2, 1993, <br /> 5870 Stoneridge Drive,Suite 6 Sample Matrac. Water Received: Apr 2, 1993 <br /> i Pleasanton,CA 94588 Analysis Method: EPA 5030/8015/8020 Reported: Apr 9, 1993 <br /> Attention: Stephan Rosen First Sample#: 304-0139 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D. <br /> erg/L 304-0139 304-0140 304-0141 304-0142 304-0143 304-0144 <br /> AW-0 AW-7 AW-8 AW-9 AW-10 AW-11 <br /> Purgeable <br /> Hydrocarbons 50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Benzene 0.5 N.D. N.D. N.D. 1.5 0.54 N.D. <br /> Toluene 0.5 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Ethyl Benzene 0.5 N.D. N.D. N.D. 0.58 N.D. N.D. <br /> Total Xylenes 0.5 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Chromatogram Pattern: -- <br /> Quality <br /> _Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 1.0 1.0 <br /> Date Analyzed: 4/6/93 4/6/93 4/6/93 4/7/93 4/7/93 4/6/93 <br /> Instrument Identification: HP-2 HP-2 HP-2 HP-4 HP-4 HP-2 <br /> Surrogate Recovery, %: 106 107 104 103 103 104 <br /> (QC Limits = 70-130%) <br /> 1 <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> ASE01AANALYTICAL <br /> Cott <br /> Project Manager <br /> 3040133.ALT <2> <br />