Laserfiche WebLink
111 Release and Site Characterization Information (continued) <br />Maximum <br />Documented Contaminate oncentrations - -Before and After Clt.,jup <br />Contaminant <br />Soil <br />(ppm) <br />Water <br />(ppm) <br />Contaminant <br />Soil <br />(ppm) <br />Water., <br />(ppm) <br />Before <br />After: <br />Before <br />After <br />Before <br />After <br />Before <br />After <br />TPH (Gas) <br />2,300 <br />20. <br />110. <br /><0,05 <br />Ethyl -benzene <br />19 <br /><0.005 <br />.890 <br /><.0005 <br />TPH (Diesel) <br />120 <br /><5.0 <br /><0.05 <br /><0.05 <br />Xylene <br />35 <br /><0.005 <br />1':0 <br /><.0005 , <br />Benzene <br />6.8 <br /><0.005:.340 <br /><.0005 <br />MTBE <br />0.095 <br /><0.005 <br /><.00I <br /><.001 <br />Toluene <br /><.3 <br /><0.005 <br />.160 <br /><.0005 <br />1,2 -DCA <br /><0.005 <br /><0.005 <br /><.0005 <br /><.0005 <br />Comments: Soil Before data for TPH gas and BTEX is from MW -2-15' on 11/29/00 and for TPH diesel, MTBE <br />and 1,2 -DCA is from UST -4 on 1115103. This area was over -excavated and resampled on 11/12/03 with non- <br />detect results. Soil After data is from MW -9-15 on 6130105.. Water Before data.1s from MW -2 which was , <br />destroyed in October 2003 during over -excavation of contaminated soil. Water After data is from MW -8 on <br />7121109 except MTBE and 1,2 -DCA are from MW -8 on 12112108. <br />EV .. r-Inm ira <br />Does completed corrective action protect existing beneficial.uses per Regional Board. Basin Plan? Yes <br />Does completed corrective action protect potential beneficial uses per Regional Board Basin Plan? Yes <br />Does corrective action protect public health for current land use? Yes <br />Site management requirements: None <br />Should corrective action be reviewed if land use. changes? Yes <br />Have the Monitoring/Vapor wells been decommissioned? Some Number Decommissioned: 4 <br />Number retained: 9 <br />List -enforcement actions taken: NORs: 6-29-2000.& 10-17-2007 <br />List enforcement actions rescinded: None <br />V I ncal Ananr_v RAnrASantatlVA rata <br />Name: Margaret Lagorio <br />Title:. <br />Program Coordinator <br />Signature: <br />Date.. <br />o <br />v . <br />VI- Central Vnllpv Raainnal Water Ouality Control Board IRB) Notification <br />Date Submitted to RB: <br />Response Dater <br />RB Staff: James L.L. Barton <br />Title: Engineering Geologist <br />Response: <br />VII. Additional Comments, Data, etc.. . <br />IF - <br />J:1 <br />This document and the related CASE CLOSURE. LETTER shall be retained by the lead agency as part of the <br />official site file. <br />Mil <br />