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age 1 <br /> - <br /> degr.aders of long- chain hydr:ocar.bons' such- as lubricating <br /> oil . - The 'microorganisms" present., in both the contaminated <br /> soil and the =mushr.aom compost should- thoroughl y: degrade the <br /> TOG -contaminants to Ia.rm the' non-.toxic- end- products products of <br /> carbon dioxide; ,mineral'si-and water within 4 to- 8 weeks . <br /> At oxygen will-- -be--aZupplled to the hydrocarbon <br /> utilizing microorganisms- in `the treatment bed by piping. : . <br /> -laced -within 't-he bed _and - through °which_ air will be drawn <br /> using.-,a vacuum-:pump . Sail :moisture-will be maintained by- <br /> -'sprinklin:g the 'treatment, bed- with water <br /> - pumped'.-from the <br /> -on-site purge=water storage tanks after this water has <br /> itself'-beenitself bial.ogically detoxified .(this would- be <br /> -- accomplished by adding-.'nutri''ents a_nd" umpi_ng -air 'into- the <br /> storage -tanks) . _ <br /> . .During the course_ of theproject , the treatment beds will <br /> be onitored -for -,rates ;7of degradation, moisture content , <br /> soil chemistry, and biological activity. Confirmation of <br /> the success of the treatment:' process- will - be through the ' <br /> collection and cert fi-4d laboratory analysis. of :one - <br /> discrete soil sample to every 20 cubic yards 'of soil ' <br /> :treated: Each :o# the 'two-�.di'` crete °soi l- sampl es {one per, <br /> 1 <br /> - every 20 cubic yardshof,; contaminated -soil) will- be acquired- <br /> by. driving.- a- 1. 9 incE` iameUpr .by 6 0 inch long `clean brass_ <br /> tube into the soil. unt117 each tub'e - is- completelyfilled- - <br /> with consolidated material <br /> Upon `.being `wit-hdrawn from the <br /> soil.,,.°the .ends -o.f each ':tube Will .-..be covered with teflon <br /> sheeting.- oraluminum' f(oil, °f'ltted'-with_plastic_.-caps and <br /> sealed- with duct 'tape.' "- Each" tube`w Fl then marked and <br /> placed within-'.an, 'iced; ::in5uiyatedMconta ner for ;trans- <br /> porta--ti-on to :Priority Environmental Labs under, chain of _ <br /> cust-ody:. Cert-ified -analysis; wil-l'.- subsequently be performed= - 1 <br /> f.or Total .Petroleuim' Hydrocarbons as` Diesel (.T.PH-D) using= 1 <br /> EPA Methods '3550/8015 , `To-talT Petroleum ,Hydr.ocar'bons. as - <br /> Gasoline- (TPH:-.G) :benzene,=toluene,. ethylbenzene, °and °total <br /> = xylenes (BTEX) using..,EPA Methodsy503.0%.8015= <br />