ARCHIVED REPORTS_QUARTERLY GROUNDWATER MONITORING AND REMEDIATION STATUS REPORT AND UPDATED SITE CONCEPTUAL MODEL 2009

Home Browse Search

Table A Well Construction Details Chevron Facility#306620 (Former Unocal#5098) 5400 and 5606 Pacific Avenue Stockton, California Well Depth t ... Blank. Iumher Bottom Screened ratigrapitic. Sand Benttimte Hydrost I Casing' Interval Cement/ Unit:: Pack t o s):. t b g): Seat Groat rhs) Air Sparita Wells(cont) VEW-4B 51 30 to 40 VEW-5B 51 40 to 50 A 38 to 51 31 to 38 30 to 40 40 to 50 VEW-6B 60 0 to 55 A 38 to 51 31 to 38 VEW-7B 60 55 to 60 B 53 to 60 47 to 53 0 to 54.5 54.5 to 59.5 VEW-8B 60 0 to 54.5 B 53 to 59.5 46.5 to 53 VEW-9B 60 54.5 to 59.5 B 52 to 59.5 47 to 52 0 to 54.5 54.5 to 59.5 B 53 to 59.5 47.25 to 53 VEW-10B 60 0 to 54.5 54.5 to 59.5 VEW-11B B 52 to 59.5 48 to 52 60 0 to 54.5 54.5 to 59.5 B VEW-12B 60 0 to 55 55 to 60 52.5 to 59.5 47.5 to 52.5 VEW-13B 60 0 to 55 B 53 to 60 48 to 53 AS-33 91 55 to 60 B 52 to 60 47 to 52 0 to 85 85 to 90 AS-14 72 0 to 69 C 83 to 91 81 to 83 0 to 81 AS-15 75 0 to 70 69 to 71 B 68 to 72 65 to 68 0 to 65 AS 17 70 to 72 B 69 to 73 1 75 0 to 70.5 66 to 69 0 to 66 70.5 to 72.5 B 69.5 to 75 66.5 to 69.5 AS-18 71.5 0 to 60 0 to 66.5 AS-20 110 60 to 62 B 58 to 63 1 55 to 58 0 to 102 102 to 104 0 to 58 AS-21 105 0 to 102 D 101 to 105 1 98 to 101 0 to 98 102 to 104 100.5 to 105 96 to 100.5 EXPLANATIONS: 0 to 96 Well details were compiled from reports prepared by ENSR International. I Borehole below sand pack sealed with bentonite chips *bgs=below ground surface Hydrostratigraphic units are approximately screened as follows: A=25 to 45 feet below grade surface(bgs) B=45 to 65 feet bgs C=85 to 90 feet bgs D=97 to 103 feet bgs --=Screened above the upper hydrostratigraphic unit. 306620.xis/#385833 3