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Emcon <br /> 1433 North Market Boulevard • Sacramento,Gallfornia 95834-1943 f!`(9165 928-330UF- Fa 16)928-'3341 <br /> sl,i f i <br /> 17 SEP 1,6 pH j2,, <br /> ?� <br /> September 16, 1997 <br /> Project 20805-147.004 <br /> Mr. Steve Sasson <br /> San Joaquin County Public Health Services <br /> Environmental Health Department <br /> P. O. Box 388 - <br /> Stockton,"California 95201-0388 <br /> Re- Request for Extension for Submittal of Workplan to Conduct an Additional <br /> Subsurface Investigation for ARCO Service Station No. 2186, Located at 3212 <br /> North California Street, Stockton, California <br /> Dear Mr. Sasson: <br /> On behalf of ARCO Products Company, EMCON is requesting an extension for the <br /> submittal of the workplan to delineate hydrocarbons beneath the site. Based on the letter <br /> I from San Joaquin County Public Health Services (SJCPHS) dated July 23, 1997, <br /> SJCPHS requested that an additional investigation be conducted to evaluate the lateral <br /> and vertical extent of hydrocarbons beneath the site. SJCPHS requested that a workplan <br /> to conduct the additional subsurface investigation be submitted by September 22, 1997. <br /> Due to space constraints at the subject site and underground utilities, EMCON needs <br /> additional time to evaluate the best location to install an additional monitoring well. <br /> Therefore, EMCON is requesting an extension of one month (October 22, 1997) for the <br /> submittal of the workplan. <br /> I£you have.any questions, please do not hesitate to cam. ! <br /> i <br /> Sincerely, <br /> EMCON <br /> Claudio Avila Jay R. Johnson <br /> Project Manager Senior Project Supervisor <br /> cc: Paul Supple, ARCO Products Company <br /> SAC,N.\PJM80S08051470.4AS-47\prz:1 <br /> I <br />