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VOLATILE AR014ATIC COMPOUNDS <br />MODIFIED EPA METHOD 8020 (BTEB) <br />AND <br />TOTAL VOLATILE HYDROCARBONS <br />Thorpe Oil/Lodi Ready Mix <br />Project: 927; 0 <br />Sample <br />Location: GS -5 @ 21 <br />_ <br />Sample <br />Number: 038675 <br />Date <br />Sampled: 12/19/89 <br />Lab Project <br />Number: 2565 <br />Lab ID <br />Number: 34859 <br />Date <br />Received: _12/19(89 <br />Date <br />Analyzed: 1.21F289 <br />Comments: 1:10 dilution required due to heavy late eluting matrix <br />interference. <br />Approved By: <br />A. Putnam <br />Putnam <br />McLaren <br />t <br />Date: 12/27/89 <br />ANALYTE. <br />REPORTING <br />COMPOUND <br />CONCENTRATION <br />_ LIMIT____ <br />Ug/g <br />ug,/g <br />(Ppm) <br />(Ppm) <br />Benzene <br />BRL <br />0.2 <br />Toluene <br />BRL <br />0.2 <br />Ethyl Benzene <br />BRL <br />0.2 <br />p -Xylene <br />BRL <br />0.2 <br />m -Xylene <br />BRL <br />0.2 <br />o -Xylene <br />BRL <br />0.2 <br />Total Volatile Hydrocarbons <br />BRL <br />10 <br />Surrogate recovery (percent): <br />a,a,a-Trifluorotoluene <br />104 <br />Comments: 1:10 dilution required due to heavy late eluting matrix <br />interference. <br />Approved By: <br />A. Putnam <br />Putnam <br />McLaren <br />t <br />Date: 12/27/89 <br />