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I H KLEINFELDER & ASSOCIATES <br /> o PID survey of soil stored at Manteca Sand and Gravel on March 19, <br /> . 1987. <br /> SP-59 460 ppmv TPH 830 mg/Kg <br /> SP--60 430 ppmv TPH 830 mg/Kg <br /> o PID survey of soil stored at Manteca Sand & Gravel on February <br /> 26, 1987. <br /> SP-23 and SP-24 190 ppmv 20 mg/Kg <br /> SP--11 and SP-12 60 ppmv 1.3 mg/Kg <br /> Based on previous PID field screenings and confirmation soil sampling for <br /> this project, the total petroleum hydrocarbon concentrations remaining in <br /> the areated soil range from 0 to 20 mg/Kg and are below levels of concern. <br /> Kleinfelder would recommend that a copy of this survey be submitted to the <br /> San Joaquin County Air Pollution Control District and the San Joaquin <br /> Local Health District for their review. Upon receiving agency approval <br /> the aerated soil should be hauled to the county landfill for disposal. <br /> Once the soil has been removed, an additional 60 cubic yards of stored <br /> soil can undergo controlled aeration. <br /> If you have any questions or need additional information, please do not <br /> hesitate to contact us. Thank you. <br /> Sincerely, <br /> J.H. KLEINFELDRR & ASSOCIATES <br /> Eric S. Findlay <br /> Staff G ologist <br /> Kent E. Ze o a, P.E. <br /> Senior Project Manager <br /> ESF:KEZ:pf <br /> cc: Bryce Auschhaupt, California Petroleum Equipment <br /> Laurie Cotulla, San Joaquin Local Health District <br /> Karen Gustafson, San Joaquin Local Health District <br /> 43-87-223 <br /> • <br />