Laserfiche WebLink
CLEARWATER <br /> G P. O L. P I \ C <br /> Environmental 5erricrs <br />' approximately 48 inches w c , and produced a total air flow of approximately 125 scfm The <br /> resulting vacuums at perimeter wells MW-4 through MW-7 ranged form approximately 0 7 to 18 <br /> rinches w c These results indicate that the SVE system exerts vacuum control well over the area of <br /> known soil contamination while operating as described Vacuum readings relative to area of soil <br /> contamination are shown graphically on Figure 6 <br /> Effluent air stream sample results and operational data indicate that the catox unit is operating <br /> within compliance of the SJVUAPCD PTO permit#N-3868-1-0 <br /> r <br /> 3.2 Operational Data -- Air Sparge System <br />' Two air sparge wells (SW-1 and SW-2) are used to infect air into groundwater for the purpose of <br /> both volatilizing and enhancing aerobic biodegradation of dissolved-phase hydrocarbons <br /> r Hydrocarbon vapors removed from the groundwater are recovered and treated by the SVE system <br /> The air sparge system is configured to deliver air to the subsurface via the two sparge wells for <br /> fifteen minute intervals approximately every four hours at a pressure of 3 psi <br /> r3.3 System Status -- Soil Vapor Extraction and A;_r Spz:ge System <br /> The SVE system is currently configured to extract vapor from wells VW-1 through VW-4, MW-1, <br /> r and RWA The catox is operated 24-hours per day The air sparge system is currently not <br /> operational The air sparge system is operated at 15 minute intervals every four hours through the <br /> day <br /> r <br /> r <br /> r <br /> r <br /> r <br /> • <br /> r <br /> D-107 4Q98 GW & Sys Mon Report 5 January 27, 1999 <br /> r <br />