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United States Postal Service • • Delta Carrier Annex <br />.-J <br />LI 2.2 Soil Sample Collection and Analyses <br />LI Soil samples collected from approximately 10 and 15 feet from each boring, and <br />from approximately 5 feet at three locations, were selected for submittal to a state- <br />Fil certified analytical laboratory. <br />n The 19 soil samples were analyzed for petroleum hydrocarbons using a fuel <br />I) fingerprint scan (EPA Test Method 8015W8020) and halogenated volatile organic <br />j� compounds (VOCs)(EPA Test Method 8010). <br />LJ Analytical results are presented in Table 1. Copies of the analytical reports and <br />chain of custody documentation are presented in Appendix B. <br />CI <br />E <br />H <br />LTJ <br />71 <br />I <br />L <br />Table 1. Analytical Results of Selected Soil Samples <br />(concentrations in parts per million) <br />Boring <br />Number <br />Depth <br />(feet) <br />TPH as <br />Gasoline <br />Eel <br />Diesel <br />FMMIOil <br />BTEX <br />VOCs <br />B-1 <br />911x10 <br /><1.0 <br />1.3 <br /><50 <br /><0.005 <br />ND <br />B-1 <br />14'x4-15 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-2* <br />416-5 <br /><1.0** <br /><1.0*** <br /><13 <br /><0.005 <br />ND <br />B-2 <br />91h-10 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />B-2 <br />14%-15 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-3 <br />91h-10 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-3 <br />141h-15 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B4* <br />41h-5 <br /><1.0** <br /><1.0*** <br /><13 <br /><0.005 <br />ND <br />B4 <br />91h-10 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />Bpi <br />141h-15 <br /><1.0 <br /><1.0 <br />1 <50 <br /><0.005 <br />ND <br />B-5* <br />41--5 <br /><1.0** <br /><1.0*.. <br />1 <13 <br /><0.005 <br />ND <br />B-5 <br />11-111h <br /><1.0 <br /><1.0 <br />1 <50 <br /><0.005 <br />ND <br />B-5 <br />141h-15 <br /><1.0 <br /><1.0 <br />1 <50 <br /><0.005 <br />ND <br />B-6 <br />91h-10 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-6 <br />14%-15 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-7 <br />91h-10 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-7 <br />14116-15 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-8 <br />91h-10 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />B-8 <br />141h-15 <br /><1.0 <br /><1.0 <br /><50 <br /><0.005 <br />ND <br />< Indicates that the compound was not detected at or above the stated laboratory reporting lura[ <br />ND Indicates that the compounds were not detected at or above laboratory reporting limits <br />Analyses were performed beyond the recommended holding times <br />** TPH as aviation gas and mineral spirits, and MTBE also were not detected at or above laboratory <br />reporting limits <br />*'• TPH as bunker oil, fuel oil, heating oil, hydraulic oil, jet fuel, kerosene, motor oil, and stoddard solvent <br />also were not detected at or above laboratory reporting limits <br />LOWNEYASMCIATES. Page 2 <br />ErwLvnmantal /Geotechnical / Engineering aervkaa am -as <br />