Laserfiche WebLink
Subsurface Investigation December 12, 1990 <br /> Former Unocal Station No. 2859, Stockton, California AGS 38012-5 <br /> TABLE 2 <br /> CONCENTRATION OF HYDROCARBONS IN SOIL SAMPLES <br /> COLLECTED BENEATH UNDERGROUND STORAGE TANKS <br /> Former Unocal Service Station No. 2859 <br /> 1665 Pacific Avenue <br /> Stockton, California <br /> March and April 1988 <br /> Sample Depth Ethyl- Total <br /> Number (Feet) TPHg Benzene Toluene benzene Xylenes <br /> Gasoline Tank cavity <br /> S-0329-1STP 16 582 0.60 6.50 10.40 39.10 <br /> S-0329-2STP 16 38 0. 19 <0. 05 <0. 05 1.01 <br /> S-0329-3STP 16 2 0. 14 <0.05 <0.05 <0. 05 <br /> S-0329-4NTP 16 23 0.27 1.31 0.62 4.05 <br /> S-0329-5NTP 16 <2 0.13 <0.05 <0. 05 <0.05 <br /> S-0329-6NTP 16 <2 <0. 05 <0.05 <0. 05 <0. 05 <br /> S-0329-9A 26 13 0.29 1.07 <0.05 1.32 <br /> S-0406-12A 28 18 1.72 5.01 0.58 3 .83 <br /> S-0406-13A 30 3 <0. 05 <0. 05 <0. 05 <0. 05 <br /> Product Lines <br /> S-0330-11 6.0 <0.05 <0. 05 <0. 05 <0.05 <br /> Waste-Oil Tank Cavity <br /> S-0329-SA 8 <2 <0. 05 <0. 05 <0. 05 <0. 05 <br /> VOC PCB's <br /> S-0329-8B <0.05 <0. 02 <br /> Results in parts per million (ppm) <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Below detection limit for analysis <br /> used' <br /> VOC = Volatile organic compounds <br /> PCB's = Poly <br /> S-0406-1STP <br /> Soil sample number (STP--south tank pit, N=north) <br /> Date sample collected <br /> Soil sample <br /> 5 <br /> .4pp/1ed GOOSystems <br />