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Advanced <br /> GeoEnvironmental Inc . - <br /> 17 October 2000 <br /> AGE-NC Project No. 00-0768 <br /> y <br /> Mr. Ron Van De Pol <br /> VAN DE POL ENTERPRISES <br /> P.O. Box 1107 <br /> Stockton, CA 95201 <br /> Subject: Phase II Site Assessment Report <br /> FORMER LAIDLAW FACILITY <br /> 1444 Tillie Lewis Drive, Stockton, California <br /> Dear Mr. Van De Pol: <br /> On 11 October 2000,Advanced GeoEnvironmental, Inc. (AGE) advanced six soil probe borings at <br /> 1444 Tillie Lewis Drive, Stockton, California. The work was performed as part of a due diligence <br /> investigation at the site by Van De Pol Enterprises in preparation for a property transfer. The field <br /> work was conducted as outlined in the Phase II Site Assessment Work Plan dated 04 October 2000, <br /> and prepared by AGE. <br /> Soil probe borings B-I through B-6 were advanced utilizing a van-mounted Geoprobe 5400 using <br /> "direct push"technology. Soil probe boring B-1 was advanced vertically to a depth of 20 feet below <br /> surface grade(bsg),borings B-2,B-5 and B-6 were advanced to 15 feet bsg and borings B-3 and B-4 <br /> were advanced to 5 feet bsg. A site map showing the soil probe boring locations is attached (See <br /> figure 1). <br /> Discrete soil samples were collected at 5-foot intervals,beginning at 5 feet bsg,to total depth of each <br /> boring. Soil samples were collected using a Geoprobe soil sampling assembly loaded with four pre- <br /> cleaned 1.125-inch by 6-inch brass sleeves. No soil samples were submitted for laboratory analysis. <br /> Grab ground water samples were collected from probe borings B-1, B-2, B-5 and B-6 using a <br /> temporary PVC screen. No ground water samples were submitted for laboratory analysis. <br /> An intense solvent-like odor was noted in soil samples collected from probe boring B-2 at depths <br /> between 5 feet bsg and 15 feet bsg. Organic vapor was detected in soil samples from B-2 using a <br /> photo-ionization detector (PID) at concentrations as high as 782 parts per million (ppm). A <br /> solvent-like odor was also noted in the grab ground water sample collected from probe boring B-2. <br /> Solvent and petroleum hydrocarbon odor were not observed or detected using a PID in any of the <br /> soil and ground water samples collected from probe borings B-1 and B-3 through B-6. <br /> 4005 North Wilson Way, Stockton, California 95205 <br /> Telephone(209)467-1006 FAX(209)467-1118 <br />