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t <br /> PRECISION <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OFANALYS ' <br /> Monday, March 22, 2001%w' <br /> Attention Rita Koehnen <br /> Port of Stockton Report Page 3 of 8 <br /> 2201 W Washington St <br /> Stockton, CA 95203 <br /> Volatile Organic Compounds by EPA Method 82608 , <br /> - -, -Sample Information,-' <br /> Sample ID MW 3-4 Sample Type Grab ' <br /> Laboratory ID. 0400750-03 Project Name. Port of Stockton UST Site No 3 <br /> Date/Time Sampled 26-Feb-04 14 30 by Jim Neal Sample Matrix. Ground Water-Non Potable <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysts Date Method Notes ' <br /> Benzene ND 1 00 ', u911 1 AC42211 01-Mar-04 01-Mar-04 EPA 8260B <br /> Ethylbenzene —ND�F 1 00 ug/1 1 AC42211 01-Mar-04 01-Mar-04 EPA 8260E ' <br /> Toluene 294 100 ugh 1 AC42211' 01-Mar-04 01-Mar-04 EPA 8260E <br /> m p-Xylene 509 100 ug/1 1 AC42211 01-Mar-04 01-Mar-04 EPA 82608 <br /> i o-Xylene 1 95 1 00— ug/l— 1 AC42211 01-M2r-04 01-Mar-04 EPA 82608 , <br /> Gasoline ND 500 ug/l 1 AC42211 01-Mar-04 01-Mar-04 EPA 8260B <br /> _Surrogate Dtbromofluoromethane 92% 86-118 <br /> Surrogate_Toluene-d8 _ 95% _ 88-110 <br /> Lurrogate 4-Bromofluorobenzene 91 % 86415 <br /> s <br /> mF,I =nulhl,ram%per I tier=ppnt DI R-lhtcuton I imajor Purpau ofReporttng , <br /> ul,I -nncroS runn per Lttcr-pph Lccpoonal tamplc matrtcc%or tnterfi nncc%may <br /> rc%uh in higher detcctton!imus <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le, Laboratory Director ' <br /> 77_r3 N Wes/ Lune Suite B2 ,Slocklon CA 95210 Phone (209) 477-8105 Fax (209) -177-8148 <br />