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Y <br /> 7144 <br /> 714 477G68211 <br /> FAX CRC ENVIRONMENTAL RISK MANAGEMENT� INC. <br /> 211 ��y► <br /> 17875 VON KARMAN <br /> SUITE 200 <br /> IRVINE, CALIFORNIA <br /> 92714 <br /> April 6, 1995 <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 445 N. San Joaquin Street <br /> P.O. Box 388 <br /> Stockton, California 95201 <br /> Attn: Mr. Michael Infurna, R.E.H.S. <br /> Senior Health Specialist <br /> Dear Michael: <br /> We are forwarding two (2) copies of the Revised Work Plan and a copy of the Health and <br /> Safety Plan in connection with the Phase II Environmental Assessment to be conducted at the <br /> American Savings Bank's property at 222 North El Dorado Street, Stockton, California. <br /> The primary objective of the investigation is to determine if the subsoils at the property site <br /> have been impacted by petroleum hydrocarbons and volatile organics resulting from the <br /> site's former use as an auto service station and associated auto businesses. Since there are <br /> potential off-site sources, the groundwater beneath the property will also be investigated. <br /> We plan to drill and sample six (6) boreholes within the vadoze zone by using the Geoprobe <br /> System of coring and sampling. Two (2) additional monitoring wells will be drilled and <br /> installed on site. Both soil and water samples will be collected from these wells. <br /> The soil samples will be analyzed for TPH and TEH by EPA 8015 Modified; and volatile <br /> organics by EPA 8260. Groundwater samples will be analyzed for TPH as gasoline and <br /> diesel and VOCs. The groundwater monitoring well presently onsite will be sampled at the <br /> _same time. .I will be in contact with you when we get closer to the permitting stage of this <br /> proposal. <br /> Thank you for all the assistance you have extended to us. <br /> Sincerely, <br /> CRC Environmental Risk Management, Inc. r <br /> R nnie Almero, S., R.E.A. #3376 <br /> P jest Manager <br /> PAYMENT <br /> cc: Trevor Santochi, CRC RECEIVED <br /> APR 17 � :^a <br /> SASPTARONNIE\SANJOAQ.LET SANJOAQi.i"stv ; <br /> PUBLIC HEAT { <br /> ENVIRONM_NTAL 11 n<i t,DIVISION <br />