SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

San Joaquin County Environmental Health Department DIRECTOR ? ' i:' "' .9`i 1868 East Hazelton Avenue Linda Turkatte, REHS U X Stockton California 95205-6232 PROGRAM COORDINATORS ' Robert McClellon, REHS Jeff Carruesco, REHS, RDI Website: wwwsjKasey Foley, REHS S �� FOR govorg/ehd Rodney Estrada, REHS 'I Phone: (209) 468-3420 Adrienne Ellsaesser, REHS Fax: (209) 464-0138 April 7, 2015 r'I \ Mohammad S. and Wafa Matar A Nasheem Khan 1901 South EI Dorado Street ) a 39 E 176Lroj2bejj Ale,, 5925 Terminal Apartment 1 Stockton , California 95206 Cq•q Riverbank, California 95367 Subject: Quick N Save No. 1 1901 South El Dorado Street Stockton, California 95206 San Joaquin County Environmental Health Department (EHD) has received and reviewed Off- site Assessment Work Plan (Original Work Plan) , dated 23 January 2015 , and Addendum to Offsite Assessment Work Plan (Addendum), dated 17 March 2015; both submitted by your consulting firm , Advanced GeoEnvironmental, Inc. (AGE) on your behalf for the above- referenced site. By letter dated 8 December 2014, the EHD had directed that a conceptual site model, a work plan to delineate petroleum hydrocarbon contamination east, northeast, and southeast of the above-referenced site and a work plan to install additional monitoring wells be submitted to this agency by 13 February 2015 . By electronic mail dated 11 March 2015 , the EHD commented about the Original Work Plan and directed additional information be submitted to the EHD to clarify and support proposals presented by AGE in the Original Work Plan, this following a telephone conversation that day between AGE and the EHD . In the Original Work Plan, supplemented by the Addendum containing a preliminary site conceptual model that identified two primary routes for contaminant migration from the former underground storage tank system , at approximately thirty-five to fifty feet bsg and at '+ approximately seventy to eighty feet bsg , AGE proposes to: f Advance three soil borings, B9, 1310, and B11 , to a minimum depth of eighty feet below surface grade (bsg) using hollow-stem auger drill technology, at locations illustrated on '1 Figure 3 of the Original Work Plan and Addendum ; • Install three additional monitoring wells , screened approximately seventy-five to eighty feet bsg , based on Feld observations targeting saturated soil consisting of coarse-grain sand , silty sand or gravel, during advancement of the pilot borings, at locations illustrated on Figure 3 of the Original Work Plan and Addendum ; • Collect soil samples from all six boreholes at five-foot intervals between five and eighty feet bsg for lithologic evaluation , chemical analysis and field screening for the presence of volatile organic compounds using an organic vapor meter with a photo- ionization detector;