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° 1, 2-DCA concentrations were less than 0 . 005 mg/kg to 0 . 050 g g mg/kg (not detected) . ' Analysis of the grab groundwater samples indicated that - TPHg concentrations ranged from less than 50 . 0 ug/L (not detected) to 84 ug/L. ' TPHd concentrations ranged from less than 50 . 0 ug/L (not detected) to 57, 000 ug/L TPHmo concentrations ranged from less than 250 . 0 ug/L (not detected) to 47, 000 ug/L ' BTEX concentrations were less than 0 . 5 ug/L (not detected) . EDB concentrations were less than 0 5 ug/L (not detected) ° 1, 2-DCA concentrations were less than 0 5 ug/L (not detected) 7 . 0 DISCUSSION Laboratory analytical results indicated that the soil sample collected from boring SB-1 at a depth of approximately 25 feet bgs, contained non-detectable to low concentrations of TPHg, BTEX, EDB, ' and 1, 2-DCA; and elevated concentrations of TPHd and TPHmo. Low to non-detectable concentrations of TPHd and TPHmo, and non--detectable concentrations of TPHg, BTEX, EDB, and 1, 2-DCA were found in the ' soil samples collected at depths of approximately 35 feet and 40 feet bgs from boring SB--1 The soil samples collected from borings S3-3 and SB-4 contained non-detectable concentrations of TPHg, ' TPHd, TPHmo, BTEX, EDS, an 1, 2-DCA The grab groundwater samples collected from the borings contained ' low to non-detectable concentrations of TPHg, TPHd, TPHmo, BTEX, EDB, and 1, 2-DCA with the exception of the groundwater sample collected from boring SB--1 The grab groundwater sample collected from boring SB-1 contained elevated concentrations of TPHd and TPHmo ' The elevated TPHd and TPHmo concentrations contained in the soil and groundwater samples collected from boring SB-1 were above the California Regional Water Quality Control Board Environmental Screening Levels (ESLs, where groundwater is a current or potential 5