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pace, <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE nF nUALITY <br /> Mr. Brady Nagle QUALITY CONTROL DATA October 24, 1994 <br /> Page 13 PACE Project Number: 441010508 <br /> Client Reference: BP Site #11107/10-151-03-001 <br /> HALOGENATED VOLATILE ORGANICS 8010/8020 <br /> Batch: 70 35104 <br /> Samples : 70 0421071 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> romp o�ene —U9/,E- T-� N <br /> 1 ,3-Dichlorobenzene ug/L 0.5 ND <br /> 1 ,4-Dichlorobenzene ug/L 0.5 ND <br /> Benzyl Chloride ug/L 0.5 ND <br /> 1.2-Dichlorobenzene ug/L 0.5 ND <br /> Bromochloromethane (Surrogate Recovery) % 89 <br /> 1 ,4-Dichlorobutane (Surrogate Recovery) % 96 <br /> VOLATILE AROMATICS BY EPA 8020 - <br /> Benzene ug/L 0.3 ND <br /> Toluene ug/L 0.3 ND <br /> Chlorobenzene ug/L 0.5 NO <br /> Ethylbenzene ug/L 0.5 ND <br /> Xylenes , Total ug/L 0.5 ND <br /> 1,3-Dichlorobenzene ug/L 0.5 ND <br /> 1,4-Dichlorobenzene ug/L 0.5 ND <br /> 1 ,2-Dichlorobenzene ug/L 0.5 ND <br /> a,a.a-Trifluorotoluene (Surra. Recovery % 114 <br /> SPIKE AND SPIKE DUPLICATE: <br /> Spike <br /> Spike Dupl <br /> Parameter Units MDL 700400040 Spike Recv Recv RPD <br /> - is oroethane -u—g/-E-- , NF-- -99 7T9 -a <br /> Trichloroethene (TCE) ug/L 0.5 NO 20 91% 85% 7% <br /> 1,1,2-Trichloroethane ug/L 0.5 ND 20 98% 94% 4% <br /> Tetrachloroethene ug/L 0.5 ND 20 93% 90% 3% <br /> Benzene ug/L 0.3 ND 20 90% 88% 2% <br /> Toluene ug/L 0.3 NO 20 90% 88% 2% <br /> I <br /> Xylenes, Total ug/L 0.5 ND 60 93% 91% 2% <br /> I <br /> I <br /> i <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato, CA 94949 <br /> TEL:415-883-6100 i <br /> FAX: 415.883.2673 <br /> i <br /> I <br />