Laserfiche WebLink
_ VIM= AM <br /> 25 March 1991 <br /> Clint RogersPage 5 <br /> Chevron U.S.A. Inc. <br /> Log A P A(x)+B (1) <br /> where D P is the differential pressure measured in inches int of.induced vacuum. Assuming thaf water ta A1P of 0.05 inches water <br /> the extraction lims the distance between <br /> it <br /> i and the point the <br /> represents the limit of functional influence ire9 showsatphe estimated radius of influence ince radius <br /> to <br /> influence of the system is 112 fee gm <br /> the site and to three other potentially contaminated adjacent sites. The site of major concern is the <br /> enue and East former Beacon station <br /> o this sitedite across <br /> eptly intersection <br /> ters excavated, of l Dorado known f hydrocarbooHarding <br /> contain ng <br /> A large porn estimated radius of influence f the vapor <br /> soils were left in pcrea hies half way acrosstt ee ter section. Even f a ore conservative A P <br /> extraction system onl y <br /> of 0.01 inches water is assumed,the estimated radius of influence would only reach the curb face <br /> of the former Beacon site. <br /> S the <br /> To further reduce the possibility of d aMW5 willbe used for passive venting. Thpor is will reduce <br /> intersection,macros <br /> onitoring wells Mem an <br /> the radius of influence of the system in the direction of the former Beacon station. <br /> arding this project,please contact me or Terry Winsor at the above <br /> if you have any questions reg <br /> number. <br /> Sincerely, <br /> JCly-�'�— <br /> a'm,Douglas E.[drPh•D• <br /> Project Manager II <br /> Terry R. Winsor,R.G. <br /> Manager,UST Services <br /> DEGCI'RW/pmlds <br /> Enclosures <br />