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1� low <br /> Project No. 191-164 <br /> Pagge No. 2 <br /> TABLE I <br /> Concentrations of Selected Contaminants in Car Wash Discharge <br /> Chevron Station Nos. 9-0705 and 9-8603 <br /> Bakersfield, California <br /> October 2, 1991 Sampling <br /> Sample SS <br /> Sample SS b'9-0705 Sample SS k9-0705 Sample SS d9-8602 X9-860'_ <br /> Analyte 3rd Clarifier Holding Tank 3rd Clarifier Holding Ts-k <br /> Total Suspended Solids <br /> (EPA 160.2) 120 ppm 28 ppm 17 ppm 230 ppm <br /> Surfactants (EPA 43.1) ND ND 21 ppm 20 ppm <br /> Nitr-1e as NO, <br /> (EPA 300.0) ND ND ND ND <br /> Antimony (EPA 204.2) ND ND ND ND <br /> Arsenic (EPA 206.2) 9.9 ppb 11 ppb 7.4 ppb 7.7 ppb <br /> Beryllium (EPA 200.7) ND ND ND ND <br /> Cadmium (EPA 200.7) ND ND ND ND <br /> Chromium (EPA 200.7) ND ND ND ND <br /> Copper(EPA 200.7) 51 ppb 40 ppb 170 ppb 150 ppb <br /> Lead (EPA 239.2) 8.8 ppb 6.8 ppb 34 ppb 33 ppb <br /> -Mcmury (EPA 245.1) ND ND ND ND <br /> Nickel (EPA 200.7) 67 ppb 80 ppb 78 ppb 75 ppb <br /> Selenium (EPA 210.2) 7.7 ppb 9.4 ppb 8.1 ppb 6.8 ppb <br /> Silver(EPA 200.7) ND ND ND ND <br /> Thallium (EPA 279.2) ND ND ND ND <br /> Zine (EPA 200.7) 400 ppb 590 ppb 640 ppb 560 ppb <br /> Benzene(EPA 8020) - ND ND ND ND - <br /> Toluene(EPA 8020) 3.9 ppb ND 8.5 ppb 11 ppb <br /> Ethylbenzcne (EPA 8020) ND ND ND ND <br /> Xylenes(EPA 8020) 11 ppb 4.1 ppb 14 ppb 18 ppb <br /> TPH-G(EPA 5030/8015hd) <br /> ND ND ND ND <br /> jj�dcG (EPA 413.1) 33 Ppm 28 ppm <br /> Ppm para per mullion <br /> ppb - - puma per billion <br /> ND None detected at*A desea4oe Urnits shown on the attached anulynral reports �„- <br /> . TPH-0 T,Total Peteolata Hydr«at6otu u Gauoltrte "'u` <br /> OdcG Gnvmnetsie oil <br /> —+fni' Fay €.cz-rim <br /> 1 <br /> - <br /> -. - <br /> _ _ r ICRI�Zl,N & l,$$OCIATES`IN = <br />