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fir,»,�, �' , �, y�.,., .:a � •- ». �L-••"M �re.�,:; ��" =+sr.: e" �' ,s�.":;i+` s '�'r'°� <br /> <:T <br /> TANK CLOMIRF REPORT <br /> a+ 620 West Charter Way,Stockton,California <br /> Delta Project No.40-88-556 <br /> Page 10 <br /> 1 . <br /> TABLE 4 <br /> f j Waste Oil Tank, Sump, and Hoist Sail Samples <br /> Concentrations in milligrams per kilogram (equivalent to parts per million) <br /> l <br /> { Sample I.D. _ <br /> Sump Waste Oil Tank Hoist 1 Hoist 2 <br /> r s Depth below grade 12.5 10 7.5 7.5 <br /> Chemical Constituent <br /> r , TPH° 4.5 1.2 <1.0 1.4 <br /> TPflb <1.0 <1.0 <1.0 <1.0 <br /> _ Benzene <br /> <0.05 <0.05 <0.05 <0.05 <br /> Toluene <0.1 <0.1 <0.1 <0.1 <br /> Ethylbenzere <0.1 <0.1 <0.1 <0.1 <br /> • Xylenes 0.1.. <br /> <0.1 <0.1 <0.1 <br /> Cadmium 2.2 2.3 2.1 3.3 <br /> i <br /> Chromium 12 11 16 24 <br /> Lead 1.7 1.6 1.9 1.3 <br /> 64 <br /> Zinc 51 63 48 <br /> Oil and Grease 89 <30.0 110 100 <br /> NOTES: <br /> 'Total Petroleum Hydrocarbons in the low to medium boiling point range. <br /> bTotal Petroleum Hydrocarbons in the high boiling point range. <br />