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Project No. 034-17016 <br /> Page No. 6 <br /> • Soil samples will be collected at eight(8)and 12 feet bgs. <br /> • The two(2)soil samples will be analyzed for TPH-cc. <br /> 550-GALLON WASTE OIL UST <br /> • One(1) soil boring will be completed to a depth of approximately 12 feet bgs near the 550-gallon <br /> waste oil UST. <br /> • Soil samples will be collected at eight(8)and 12 feet bgs. <br /> • The two(2) soil samples will be analyzed for TPH-cc,VOCs,CAM 17 metals and PCBs. <br /> • Due to the possibility that VOCs from maintenance operations may have been discharged to the <br /> waste oil tank, one (1) soil vapor boring will be completed to a depth of 5.5 feet bgs and one (1) <br /> soil vapor sample will be collected and analyzed for VOCs. <br /> AREA OF FUEL DISPENSERS <br /> • Two (2) soil borings will be completed to a depth of five(5) feet bgs,one boring adjacent to each <br /> of the two(2) fuel dispensers. <br /> • Soil samples will be collected from depths of two (2) and five (5) feet bgs for a total of two (2) <br /> soil samples from each boring. <br /> • Four(4)soil samples from the fuel dispensers will be submitted for analysis of TPH-d and VOCs. <br /> AREA OF PRODUCT LINES <br /> • Four(4)borings will be completed to a depth of five(5) feet bgs adjacent to the inferred location <br /> of the product lines connecting the 20,000-gallon diesel USTs to the fuel dispenser island. <br /> • Soil samples will be collected from depths of two (2) and five (5) feet bgs for a total of two (2) <br /> soil samples from each boring. <br /> • A total of eight (8) soil samples from the product line areas will be submitted for analysis of <br /> TPH-d and VOCs. <br /> 2. TRUCK MAINTENANCE SHOP TRENCH DRAINS, OILIWATER SEPARATORS/ <br /> CLARIFIERS/SUMPS <br /> The investigation within the truck maintenance shop will include the surface staining near the trench <br /> drains, grated drain/sump located within a lube pit, oily liquid located with the lube pit sump, subsurface <br /> clarifiers located within the maintenance shop building, and oil/water separator located outside of the <br /> truck maintenance shop building. The scope of work for the investigation includes the following: <br /> • Ten(10)soil borings will be completed in the truck maintenance shop area as follows: <br /> o Two (2) soil borings will be completed to a depth of five (5) feet bgs in the stained areas <br /> near the trench drains. Soil samples will be collected at depths of two (2) and five (5) <br /> feet bgs. <br /> o One (1) soil boring will be completed to a depth of five (5) feet bgs in the stained area <br /> next to the drain/sump located in the lube pit. Soil samples will be collected at depths of <br /> two(2)and five(5) feet bgs. <br /> o Four(4) soil borings will be completed to a depth of 10 feet bgs, one (1) adjacent to each <br /> of the four (4) interior subsurface clarifiers in the truck maintenance shop area. Soil <br /> samples will be collected at depths of five(5)and 10 feet bgs. <br /> KRAZAN&ASSOCIATES,INC. <br /> With Offices Serving the Western United States <br /> 034-17016 WP for LSA SSI Lativop PNAL.do. <br />