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Sequoia <br />680 Chesapeake Drive <br />404 N W[get Lane <br />Redwood Ory CA 94063 <br />Walnut Creek CA 94598--(925) <br />�650�36�960D <br />9$819600 <br />FAX(650)364-9233 <br />FAX(925)988-9673 <br />Limit <br />819 Striker Avenue Suite <br />8 Sacramento, CA 958341 I 1916 <br />911 ,900 <br />FAX (916) 921- 0100 <br />Analytical <br />1455 McDowell Blvd North <br />Ste D Petalumay C� d9S141 L� �] <br />(7�7 92=1 b5 <br />FAX(707)792-0342 <br />SwBi (1 a 5) <br /><? �) <br />AMM <br />Purgeable <br />*ettler-Ryan - Dublin <br />Client Project ID <br />Chevron #9-5775, Lodi <br />Sampled <br />Aug 31, 1998 <br />6747 Sierra Court, Suite J <br />Sample Matrix <br />Soil -. --- 71 - ; <br />% , Received <br />Sep 1, 1998 <br />Dublin, CA 94568 <br />Analysis Method <br />_� <br />EPA 5030/8015 -Mod /8020 ' ' ` <br />'RiJo6esd <br />Sep 9, 1998 <br />Attention Steve Carter <br />First Sample # <br />809-0036 r _� "� i A <br />t..� r_,. � Cl�ltii�.1 vrJ <br />43 <br />TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX <br />Chromatogram Pattern Gasoline Weathered Gas <br />Unidentified Hydrocarbons <br />C6 C12 <br />Quality Control Data <br />Report Limit Multiplication Factor 100 10 <br />Date Analyzed 9/4/98 9/4/98 <br />Instrument Identification HP -4 HP -4 <br />Surrogate Recovery, % * 94 <br />(QC Limits = 40-140%) <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 />EQUOIA ANALYTICAL, #1271 <br />Jull(d/ <br />ZL(rVL� <br />*tulia'nne Fegley <br />Project Manager <br />'lease Note <br />* Surrogate recovery below detection limit due to dilution <br />.tom <br />8090036 GET <1> <br />Reporting <br />Sample <br />Sample <br />Analyte <br />Limit <br />I D <br />I D <br />mg/Kg <br />809-0036 <br />809-0037 <br />B1(22 5) <br />SwBi (1 a 5) <br />Purgeable <br />Hydrocarbons <br />10 <br />2,300 <br />290 <br />Benzene <br />00050 <br />41 <br />035 <br />Toluene <br />00050 <br />23 <br />5 9 <br />Ethyl Benzene <br />00050 <br />79 <br />43 <br />MTotal Xylenes <br />00050 <br />400 <br />30 <br />Chromatogram Pattern Gasoline Weathered Gas <br />Unidentified Hydrocarbons <br />C6 C12 <br />Quality Control Data <br />Report Limit Multiplication Factor 100 10 <br />Date Analyzed 9/4/98 9/4/98 <br />Instrument Identification HP -4 HP -4 <br />Surrogate Recovery, % * 94 <br />(QC Limits = 40-140%) <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 />EQUOIA ANALYTICAL, #1271 <br />Jull(d/ <br />ZL(rVL� <br />*tulia'nne Fegley <br />Project Manager <br />'lease Note <br />* Surrogate recovery below detection limit due to dilution <br />.tom <br />8090036 GET <1> <br />