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FAST& EASY MAR)w Soil Testing Work Plan Page: 2 All drilling equipment will be thoroughly steam cleaned before drilling begins to ` prevent the introduction of contamination from off site, and between borings to prevent cross contamination. ® The borings will be logged under the direct supervision of a registered geologist using the Unified Soil Classification System. The color, texture, moisture, plasticity (if applicable), consistency of the earth materials, pertinent soil or bedrock characteristics, and any evidence of contamination will be noted. All water-bearing zones and the depths at which they are encountered will be noted on these logs. All borings will be drilled in such a manner as to prevent cross contamination between strata. Water samples will be taken at the soil/groundwater interface, and the borings will then be terminated with a cement and three percent (31l) Bentonite mixture. 2.2 Soil Sampling All soil sampling equipment will be thoroughly steam cleaned before and between sampling to prevent cross contamination. Relatively undisturbed soil samples will be taken at intervals of not more than five feet (5') in order to evaluate the subsurface materials. The soil samples will be taken using a California Modified Split Spoon sampler with brass liners. The sampler will be driven continuously by a wire line hammer. The laboratory samples will not have head space and will immediately be sealed in their liners using aluminum foil lined plastic caps. The remaining sample will be removed from its liner to be used as an aide to the on-site geologist in logging the material at that depth. Soil samples will be collected at five foot intervals for geological interpretation and laboratory analysis (2 laboratory soil samples per goring). All soil samples will be delivered, under chain of custody, to an analytical laboratory licensed by the State of California for hazardous materials work. The samples shall be analyzxd for Total Petroleum Hydrocarbons (gasoline) and BTX&E (Benzene, Toluene, Xylene, and Ethyl Benzene). All rinse water and drill cuttings will be containerized in DOT approved 55 gallon drums. Disposal will be the responsibility of the property owner.