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H s —ires'e r a s - k SOIL REMEDIATION the above mentioned report concerning the pilot As was shown in characoa1 absorbtion will bethe hould test, vapor extraction using option for remediating the soil to the QO foot depth, positive impact on the ground water plume beneath the also have a g approximately 30% of site Cameron Yakima state tharocarbonaoflapped charcoal as an is absorbtion for gasoline range by He have found that this o�dsrafihydrocarbons on rat the charcoal weight' the above estimate of F weight for the closer to 25%• and a 25� absorbtion by to bs removed, 2268 lbs. D72 lbs. of activated charcoal a needby themonth charcoal, y, activated charcoal reactor by Yakima rents a 10,000 lb• this reactor with two 85 plus profiling. and disposal fees- Using ounds each of activated d gallon activated charcoal stub scrubs {30Q p Ot charcoal) in series on the 10, 000 lb. reactors exhaust, increasing the flow rate from 30 two scfmRotronrienR during blowersthe in test, to 100 scfm by placing • this will also increase theofahyddrrocarobons Pei' tdaye parallel, roximatlly 200 lbs- 60% of the should remove app roximately during the initial week of extThisloconcentration will start to to be recoverable hydrocarbons. in the vapor stream and the two blowers will need vacuum decreaseslowing the €law rate but increasing This hooked in series, or extraction on the soil-drops to rating for the duration of vwP recovery will take place when the daily replumbing ounds per day. approximately 75 p VAPOR EBTRACTION SYSTEM CONSTRUCTION l should Rotron Blowers in paralleincrease by th2to DR 505 AX Using two increasing pounds recovered by flow rate by 2.5 to 3 times and increasing the vacuum that can be d onto exerted 2.5 times) the ti formation by 1.75 to 2 times. water Pl. P3 and 'ground DR 505 ASC Manifold vapor extraction MW5 tostworexplo' we proof, monitoring wells MW'1 arallel. At each well head a air tight Rotron Blowers hooked in P art sleeve to man Tee will be placed with a needle valve l control the m „ �} on the well, and a orifice sample p this influence vacuum temperatures and flow iotas at the W placed onla common „ measure vapors, can also be g le ort, valve assembly with individual tubi-ng r' 5 to orifice camp P manifold at the treatment comp the wells). MW,,, MW2, MW3 r �'• 811d M4�T6 will be used _ le-_port co measure, vapors and ---- -------- ----Gra••usd._water monitoring A same also _-- .a s. These--wells-wells -- ---- - ----- as vacuum influencinwplace on the well P . enhance the " vacuum is already action wells to help . 4 be converted into hot air injection page 4 . 4