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kz <br />Preliminary Report <br />Soil sampling <br />H Seibold Corporation <br />Stockton, California <br />I 1.0 Introduction <br />On behalf of Seibold Corporation, ROY F. WESTON, INC. (WESTON) has <br />F.a completed a soil sampling and analysis -program at the Seibold <br />i Corporation office located at 820 S. American Street in Stockton., <br />California (Figure 1). This program was requested by Mr. Joel <br />,b Gentles of Seibold to comply with the requests of the San Joaquin <br />County Public Health Services, Environmental Health Division <br />(PHS/EHD). <br />j There was a two phase sniff sampling effort: which ;.,as preceded by <br />the removal of two underground fuel storage tanks from the site on <br />820 S. American Street, Stockton, California. The tank remo�ral was <br />(° conducted by Seibold Corporation with soil samples taken from the <br />�> tank excavations by Canonie Environmental. Subsequent re - <br />excavation was conducted by Seibold and soils were sampled from the <br />i.; re -excavated pits by WESTON under the direction of the PHS/EHD. <br />l� <br />This report presents a review of the tank removal and initial <br />sampling as well as soil sampling and analyses performed on the <br />site by WESTON. <br />i. <br />2.0 Site Background <br />f <br />Er 2.1 Tank Removal and Sampling <br />Two underground fuel storage tanks have been removed from the <br />f' Seibold Corporation yard. No leaks or loss cf inventoried fuel was <br />t noted in either of the tanks prior to removal. An 8000 gallon --rA0 K <br />egular gas tank was removed April 3, 1989 by Seibold Corporation- #3 <br />I with soil samples collected by Canon?.e Environmental from beneath <br />x the tank, dispenser, and fuel lines. A total of four samples were <br />submitted for analysio. <br />! A 2000 gallon unleaded , <br />Era 9 gas tank was removed on March ]. 1990 from TA -OK <br />the site by Seibold Corporation and soils sampled by Canonie -� <br />Environmental from the pit, .soil stockpile and dispenser area. <br />!' During the excavation activities, a single loose pipe fitting was <br />noted in the fuel lines on the east side of the 2000 gallon <br />unleaded gas tank. This suggested a possible leak in this <br />{, location. There were a total of 12 samples submitted to the lab <br />11% from this sampling. Figure 2 displays these sampling locations. <br />A report of analytical data from Canonie Environmental dated March <br />15, 1990 was submitted to the County PHS/EHD. <br />The soil samples collected by Canonie Environmental were collected <br />into brass tubes and sealed with caps and tape. These samples were <br />I analyzed for total petroleum hydrocarbons (TPH-G), benzene, <br />r.� <br />