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• <br /> Preliminary Site Assessment Report <br /> ` FAST AND EASYlMART ' <br /> r 244 West Harding Way, Stockton; California N <br /> 1.0. INTRODUCTION <br /> At the request of Mr.Mike Ali,Advanced GeoEnvironmental,Inc. (AGE)has prepared the enclosed <br /> Preliminary,;-Site Assessment"Report,for the property located at 244 West Harding"Way,'Stockton, <br /> California. The scope of work included advancement of three soil probe boring and preparation of <br /> this report. The location of the site is illustrated on Figure 1 and a plan of the.site is illustrated'on <br /> 1 Figure 2: . <br /> This report has been prepared in accordance with guidelines established by the Central Valley <br /> Regional Water Quality Control Board (CVRWQCB) for,'the subsurface• investigation 'of <br /> '., underground storage tank (UST) sites., Site background information'is provided in Appendix A. <br /> 2.0 PROCEDURES <br /> Field work Was conducted in accordance with guidelines established by the CVRWQCB for'the <br /> investigation of UST sites and.the San Joaquin County•Environmental Health Department (EHD) <br /> 1• for.sampling of ground water monitoring wells,. Soil boring installation and sampling procedures for <br /> the site were outlined in Site Assessment Work Plan dated 15 December 2000,prepared by AGE and <br /> approved by the EHD by letter dated 29 December 2002. ,- <br /> 2.1. <br /> 002. ,2.1. ADVANCEMENT,OF,SOIL PROBE BORING <br /> 1 1 July 2002 three soil robe boring. B3 B4 and BS were advanced to a total depth of 45 feet <br /> On 3 J y � , p g-{ � ) p , <br /> below surface grade(bsg)utilizing a van-mounted.Geoprobe'5400 direct-push probing unit'equipped ' <br /> with 1.25-inch diameter probing rods;the probing unit advances soil probe borings using a hydraulic <br /> hammer to drive soil and ground water sampling tools to ,specified depths. Two borings,were <br /> ;advanced east and west,respectively,of the former UST excavation; the third boring was advanced <br /> north of the former dispenser area. <br /> ' 2.2. SOIL SAMPLE COLLECTION <br /> _Discrete soil samples were collected using the Geoprobe push-driven 2-inch diameter soil-sampler <br /> fitted with four six-inch long brass sleeves at 5-foot intervals,beginning at 10 feet bsg. Soil samples <br /> were collected to a depth of 40 feet bsg in boring B3 and to a depth of 35 feet bsg in borings B4 and <br /> B5. <br />