Laserfiche WebLink
' File No 94342-S&G Page 9 <br /> 1 <br />' TABLE V <br /> TOTAL LEAD IN THE GROUNDWATER <br /> ' Sample Total Lead <br /> I D ( ppm ) <br /> MW-1 N D <br /> ' MW-2 N D <br /> MW-3 N D <br /> ' Detection 01 <br /> Limit <br /> No Hologenated Volatile Organics were detected in the groundwater <br /> 1 <br /> 1 <br /> 4 0 HYDROGEOLOGY <br /> The Central Valley is a long, narrow, northwest trending, asymmetric structural trough that <br /> ' has been filled with about 32,000 feet of sediment in the southern part and as much as <br /> 50,000 £t in the northern part Sedimentary deposits include both marine and continental <br /> deposits and range in age from Jurassic to Holocene The valley is bordered on the east by <br /> Sierra Nevada and on the west by the Coast Ranges The Sierra Nevada is the source of <br /> most of the sediment that underlies the valley <br /> ' In the San Joaquin Valley from the 1940's to 1960's, substantial withdrawals of groundwater <br /> were accompanied by hundreds of feet of head decline This head decline caused inelastic <br /> compaction of fine-grained beds, resulting in land subsidence that is unequaled anywhere <br />' else in the world More recently, surface-water imports have increased, groundwater <br /> ADVANCE SOIL TECHNOLOGY INC <br />