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f � Terra Genesis' s desire to build and manage a permanent site for the treatment of petroleum contaminated soils came out of -the need for such a facility by the industry, as well as the general public . We at Terra Genesis have found leaKage from underground storage tanKs has become an increasingly serious problems, partieuiary because many of these tanks and associated product line plumbing have reached the end of their lifee expectancy arid, in many cases, are IeaKing profusely . in many of the cases where petroleum contaminated soil had to be brought to the surface for treatment, limitations to -the treatment process, such as lot size, on goinj business activities, or neighboring public populations, made these soils unavailable; for clean up . The soil was then hauled off to Class I depositories, or in some cases, remained in non-complying on site temporary storage areas. Terra Genesis believes Class I depositories are not the best solution for most of these soils . F=irst, there is not enough capacity in existing Class I depositories in California to sore ail so-designated Class I material . Second, the cost of depositing all petroleum contaminated soils in Class 1 depositories will be extremely expensive to the waste owners and tot the general American public who finally pay all costs as consumers . Terra Genesis is dedicated to providing an ecological , efficient and less costly method for cleaning these contaminated soils . It is Terra Genesis' s goal to provide soil clean up and soil enhancement at a reasonable cost so that petroleum laden soils can be returned to I h L field at minimal cost to the economy, environment, or air quality . Bioaugmentation will be used for treatment and reduction of toxic: substances round inthese contaminated soils. This treatment process will reduce the toxic substances, to acceptable levels, making the soil suitable for spreading on agricultural land or as selected fill . The appropriate regulatory agencies will supervise the clean up and disposal activities . The clean up process outlined below may be altered some what as more experience directs to specific methods. Sails from sites contaminated by petroleum will be hauled under federal, state, and local codes to our site in San Joaquin County east of Austin Rd . and west of Hwy. 99 . (See fig . 1, parcel and vicinity map) At this site, there is a 8000 ft square concrete slab poured to faciiitate this soil treatment procedure (see fig. 2, plan and profile view) . Contaminated soil (hauled material), will be spread on the concrete slab to a depth of one (1 . 0 ft . ) to two (2 . 0 ft . ) . The following steps will be performed to start the cleansing process.