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r <br /> TOTAL PETROLEUM HYDROCARBONS AS DIESEL <br /> INCHCAPE TESTING SERVICES/ENVIRONMENTAL LABORATORIES <br /> (408) 432-8192 <br /> ' DATA SUMMARY FORM <br /> Laboratory Group 544 Chent Project ID 299600 <br /> Matrix LIQUID Date Released 6/9/97 <br /> Date Extracted 5/8/97 Concentration Units ug/L <br /> Instrument ID HP9 <br /> i <br /> Date Date Dilution Reporting Amount Surrogate <br /> Laborato ID Client ID Sampled Analyzed Factor Limit Found Recovery <br />' 97050383 MW-2 5/6/97 5/8/97 1 50 66 82% <br /> 97050384 MW-3 5/6/97 5/8/97 1 50 105 75% <br /> 97050385 MW-1 5/6/97 518/97 1 50 73 82% <br /> 97050386 MW-4 5/6/97 5/20/97 1 50 87 109% <br /> 97050387 MW-5 5/6/97 5/8/97 1 50 530 82% <br /> rBP0143 Method Blank N/A 5/81197 1 50 ND 82% <br /> 1 <br /> 1 <br /> r <br />' ND Not detected at or above the reporting limit for the method <br /> TPHd Total Petroleum Hydrocarbons as motor oil is determined by GC/FID <br /> r (modified EPA Method 8015) following sample extraction by EPA Method 3510 <br /> Surrogate recovery quality control limits for o-terphenyl are 65-122% <br />' All testing procedures follow California Department of Health Services <br /> • approved methods <br /> r <br />' RESULTS -TPHd-Page 1 Issued on 6/10/97 at 4 05 pm <br />