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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233
<br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(5 10)988 9673
<br /> X17 Analytical 819 Stnker Avenue,Swte 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100
<br /> AM qq
<br /> ouchstone Developments Client Project 1D Chevron #9-4183 Sampled Apr 26, 1996
<br /> 1 Kingston Ave Sample Descript S011, UOSP-4(A-D) Received Apr 26, 1996
<br /> akland, CA 94611 Analysis Method EPA 8270 Extracted Apr 29, 1996
<br /> Attention Robert Mallory Lab Number 604-1872 Analyzed Apr 29, 1996
<br /> Reported Apr 30, 1996
<br /> QC Batch Number SP0429968270EXA
<br /> Instrument ID GC/MS-1
<br /> SEMI-VOLATILE ORGANICS by GC/MS (EPA 8270)
<br /> Analyte Detection Limit Sample Results
<br /> Ng/kg pg/kg
<br /> Hexachlorobenzene 1,000 N D
<br /> Hexachlorobutadiene 1,000 N D
<br /> Hexachlorocyclopentad lene 1,000 N D
<br /> Hexachloroethane 1,000 N D
<br /> Indeno(1,2,3-cd)pyrene 1,000 N D
<br /> Isophorone 1,000 N D
<br /> 2- et y nap t a ene 1,000 1,400
<br /> 2- et y p eno 1,000
<br /> 4-Methylphenol 1,000 N D
<br /> Naphthalene 1,000 N D
<br /> 2-Nitroanillne 5,000 N D
<br /> 3-Nitroanillne 5,000 N D
<br /> 4-Nltroaniline 5,000 N D
<br /> obenzene 1,000 N D
<br /> Witrophenol
<br /> 1,000 N D
<br /> 4-Nitrophenol 5,000 N D
<br /> N-Nitrosodlmethylamine 1,000 N D
<br /> N-Nitrosodiphenylamine 1,000 N D
<br /> N-Nitroso-di-N-propylamine 1,000 N D
<br /> Pentachlorophenol 5,000 N D
<br /> Phenanthrene 1,000 N D j
<br /> Phenol 1,000 N D
<br /> Pyrene 1,000 N D
<br /> 1,2,4-Trichlorobenzene 1,000 N D
<br /> 2,4,5-Trichlorophenol 5,000 N D
<br /> 2,4,6-Trichlorophenol 1,000 N D -
<br /> Surrogates Control Limit % % Recovery
<br /> 2-Fluorophenol 25 121 0 0*
<br /> Phenol-d6 24 113 0 0*
<br /> Nitrobenzene-d5 23 120 0 60*
<br /> 2-Fluorobiphenyl 30 115 1 2*
<br /> 2,4,6-Tribromophenol 19 122 0 0*
<br /> 4-Terphenyl-d14 18 137 1 5*
<br /> Analytes reported as N D were not present above the stated limit of detection Because matrix effects and/or other factors
<br /> required additional sample dilution,detection limits for this sample have been raised
<br /> SEQUOIA ANALYTICAL, #1271 Please Note
<br /> *Surrogate recovery outside control limits due to sample dilution
<br /> Kevin Van Slambraok
<br /> Project Manager Page 2 of 2
<br /> 6041871 TUB <12>
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