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t. <br /> D & A TRANSFER <br /> 100 S VENTURA <br /> STOCKTON CA <br /> CHRONOLOGY <br /> I� 10-15-87 <br /> s One 5,000 gallon unleaded tank removed this date. One soil sample was collected a 15' bgs but <br /> petroleum odors and discoloration were noted. Another sample was collected at 21' bgs, the <br /> limits of the equipment on site, which also showed some odors and discoloration. This sample <br /> was submitted to the laboratory for analysis. The results are presented below. ' <br /> Soil Sample Results 10-15-87 <br /> r From 15' bgs Under Fill End of <br /> ' 5000 Gallon Unleaded Tank <br /> (ppm) k <br /> SAMPL!` ]%PHG TPH D $ T Xss-1830$ 130 <0.05 <0.1 <0.2 <0,1 <br /> 12-11-87 <br /> Soil was removed from the excavation down to 21' bgs where a soil sample was obtained for <br /> analysis. The results are presented below. <br /> Soil Sample Results 12-11-87 <br /> From 21' bgs Under Fill End of <br /> 5000 Gallon Unleaded Tank <br /> SAMPLE ;TPH G TPH D <br /> (ppm) <br /> T E <br /> 4 <br /> ss-18308 X <br /> <10 19a <0.05 <a.i <0.2 <a.1 <br /> i <br /> 07-08-88 <br /> One 10,000 gallon diesel tank removed this date. A hole in the tank was noted by the inspector <br /> near the fill end. A soil sample was obtained from beneath the tank at each end at approx. 15' ' <br /> s bgs. Heavy discoloration was noted in the soil. <br /> Soil Sample Results (15' bgs) <br /> from 10,000 Gallon Diesel Tank <br /> SAMPLE TPH G TPH D (pB ) <br /> T E X <br /> ss-18496 1200 1 <0.05 I <0.1 1 <0.2 <o.i <br /> ss-18497 310 1 <0.05 <0.1 <0.2 <0.1 <br /> 03-20-95 <br /> F PHS-EHD receives the report presenting the results of the push point borings and grab water <br /> sampling performed on 01-19-95. The results are as follows: <br /> k <br /> I <br /> t <br /> i <br />