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Yc <br /> Lodi Ready-Mix <br /> Soil Sampling Report <br /> c; Project No.:01-93.1 <br /> November 12.1991 <br /> Page 3 <br /> is <br /> Total Extractable petroleum Hydrocarban Analyses <br /> Sample LD . Diesel Kerosene Motor Oi! <br /> ND NO ND <br /> Soil 1 N D !V D <br /> Soil 2 ND <br /> 200 NDND <br /> P D <br /> Soil 4 NDI NO <br /> NO <br /> ND ND <br /> Soil 5 N D <br /> Soil ND ND <br /> ND ND ND <br /> Soil 7 5Q <br /> Soil ND ND <br /> NON D ND <br /> Soil 9 N D N D <br /> EDetection <br /> ND <br /> 5.0 50 <br /> 50 <br /> ` <br /> ND=Not detected <br /> 5 Metals Analyses <br /> Metal Amount Detection Limits <br /> NO 0.5 <br /> Cadnvum 1.0 <br /> Chromium 14 <br /> Lead Mn 5.0 <br /> g2.5 <br /> Nickel 29 2.5 <br /> Zinc <br /> Conclusions and Recommendations <br /> Geological Technics Inc. concludes that the stockpiled soil has been adequately <br /> characterized and should not be considered hazardous material as evidenced by <br /> the laboratory analytical data. Soil pile #3 contains Zoo ppm of diesel and.soil <br /> pile #8 has 50 ppm of motor oil. The detection limit for the motor oil analyses is <br /> 50 ppm, therefore, the level of motor oil found in soil pile #8 should be <br /> considered extremely low and not necessarily contaminated. <br /> Geological Technics Inc. recommends that the Bioassay soil samples on hold at <br /> the laboratory not be analyzed. <br /> After consultation with Mr. Spoor of Lodi Ready Mix, Geological Technics Inc. <br /> --- - recommends thattheuncontaminated soil be disposed of as unregulated ' <br /> material and the contaminated soil (soil pile #3) should be disposed of using -- - <br />