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11 <br />L� <br />u <br />U <br />0 <br />1 <br />5 <br />7 <br />4. ANALYTICAL REQUIREMENTS <br />At the request of the SJCPHS the collected soil samples were analyzed for the <br />presence of the following petroleum related compounds. The analyses were performed <br />in a laboratory certified by the California Department of Health Services (CDHS) to <br />perform the requested analyses following procedures approved by the U. S. <br />Environmental Protection Agency (EPA) and the CDHS. <br />UST T-1 was identified as a tank which at one time contained leaded gasoline. <br />Samples T1-1 and T1-2 collected from beneath the ends of this tank were analyzed for <br />the presence of total petroleum hydrocarbons as gasoline (TPH-G) following EPA <br />Method 8015; the gasoline constituents benzene, toluene, ethylbenzene and total <br />xylenes (BTEX) and the gasoline additive methy-tent-butyl ether (MTBE) following EPA <br />Method 020; and total lead by ICP -AES 6010. <br />UST's T-2 and T-3 were identified as tanks which at one time contained unleaded <br />gasoline. Samples T2-1, T2-2, T3-1 and T3-2 collected from beneath the ends of these <br />tanks were analyzed for the presence of TPH-G, BTEX and MTBE following the <br />methods described above. <br />UST T-4 was identified as a tank which at one time contained diesel fuel, however <br />gasoline and diesel odors were noted coming from the soil collected from beneath this <br />tank. For this reason the SJCPHS requested that the samples collected from beneath <br />the ends of this tank be analyzed for the presence of diesel and leaded gasoline. <br />Samples T4-1 and T4-2 were analyzed for the presence of total petroleum <br />hydrocarbons as diesel (TPH-D) following EPA Method 8015, TPH-G, BTEX, MTBE <br />and total lead following the methods described above. <br />• <br />amin <br />MVWX94-261\USTA T 12"CT-961 <br />