Laserfiche WebLink
ENVIRONMENTAL HEALTH DEPARTMENT <br /> °P4 SAN JOAQUIN COUNTY <br /> � Ullr!Supervisors <br /> �.4 Donna K Heron,R£H 5304 East Weber Avenue, '1'[lird Floor Carl Borgman,R E H S <br /> Direefor M11'a Huggms,R E H S ,R D 1 <br /> • Al Olson,R£HS Stockton, Call fornia 95202-2708 boughs W Wilson R E El S <br /> e¢ P+ograui Manager Telephone (204) 468-34.20 Margam Lagorio R 1:1I 5 <br /> {/FDR <br /> Lourie A Colulla,RE If S Robca McClcllon,R E N S <br /> Pmgrarn Manager Fax (209) 464-0138 Mark Barecllos,R E H S <br /> LIZ SEWELL <br /> CONOCOPHILLIPS L -J E3 0 3 2U } �' <br /> 76 BROADWAY ,n <br /> SACRAMENTO CA 95818 " L--------------------- <br /> RE: <br /> `--------------------- <br /> RE: ConocoPhkllips Service Station No. 1 .193 Site Code:1129 <br /> 3242 West HaRaner Lane <br /> Stockton, CA 95209 <br /> WORKPLAN: Addendum to Revised Interim Remedial Action <br /> Plan and Work Plan for Ozone Sparge Well <br /> Installation and Additional Off-Site Assessment <br /> • DATED: March 29, 2004 ` <br /> PREPARED BY: Secor International. Incorporated <br /> STATUS: APPROVED with conditions noted below: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health & <br /> Safety Code (H&S) Section 25296 .10 (c) (3) 1 : <br /> • Advancement of two cone penetrometer besting (CPT) borings <br /> to defane subsurface stratigraphy below 50 feet below <br /> ground surface (bgs) to a maximum depth of 120 feet bgs or <br /> until refusal is encountered. Based on the results of the <br /> CPT borings, one to three grab groundwater samples will be <br /> collected from permeable intervals from a borehole <br /> advanced adjacent to each CPT boring to evaluate potential <br /> dissolved phase comtamination in deeper groundwater <br /> bearing zones. <br />