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SoR Boring Log SSI � C 1 7 �Cllant Nestle Foods Site Ripon, CA ,lob No 1130-111 keyed Elevation Ground C )rifled 6/14/88 Well No M -10A Boring Co Top of Casing Screen Length 20' • Depth 114 -- Boring Method U Air Percussion Hammer Meld Geologist K Kelly Cttamic Vapor Instruments Used Piexontater Casing Slie & Type 4" PVC Water Table Depth 26' Depth Sarnp Blows per 6' Sample Adv / t]rq Vao� le Description Strata Etlutpmenl (feet) -NO lbs Interval Aecov - PPM Change Installed SP - Sand, as above, grading into GP - 60 -65 Sandy gravel brown, coarse gr and and cobble's to 2-3 inches, good watersandy 65 production gravel GP - Sandy gravel, as above, minor 65-70 interbedded CL - Clay _. 70 GP - Sandy gravel, as above to 72' CL 72' 70-75 sandy clay at 72-75' Clay is Volclay brown, stiff, no water production G rout 75 J Schedule 40 PVC Casing 75_80 Sandy clay, as above Clay 80 CL - Sandy clay, as above except 80-85 significant increase in sand content CL - Sandy clay, as above to 87' SP - 87' 85-90 sand from 87-90' sand is brown. $ 7 loose, poorly sorted. Good water D production SP - Sand,as above, except CQ - Clay 90-95 layers present Clay layers are 92 3/4" thick 95 SP - Sand, brown, fine to medium Sand 95-100 grained, loose, good water and * "Sand 100 production Gravel Schedule 40 PVC 5P - Sand, as above, except coarser Screen— grained. grained. 010 Slot 105 105-110 SP - Sand. as above II0 SP - Sand, as above to 1121. CL - Clay I10-114 — from 1I2-114. Clay is grayish, 112 brown, plastic, no water 114 115 production TD -114 1"rks