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Cambria Environmental Technology, Inc BORING/WELL LOG 1 144 - 65th St „ Oakland, CA 94608 Telephone (510) 420-0700 Fax (510) 420-9170 CLIENT NAME BP Oil Company BORINGIWELL NAME !MW-2 JOB/SITE NAME BP-11191 DRILLING STARTED 10-Dec-01 LOCATION 1469 East Hammer Lane, Stockton,CA DRILLING COMPLETED 10-Dec-01 Continued from Previous Page U v a a a 3 Z � LU � v n-p LITHOLOGIC DESCRIPTION z WELL DIAGRAM LU N 0 S mD is O ¢ W C�7J Oa ,e SILTY SAND(SM),light brown,dry,20%silt,80%fine 1e MW-2- grained sand,no plasticity, high estimated permeability 36 03 ,a 40 SM @40' light brown mottled with orangetsh brown,damp, 5%clay,25%silt,75%fine grained sand 17 MW-2 41 Bentonite Seal Monterey _ _ _ _ _ _ _ _ _ _ _ _ _ _ 450 Sand#2/12 p '� 45 SAND(SP), brown,damp, 10%silt,90%medium grained 45 5 sand noplasticity' lasticit high estimatedpermeability46 0 31 M4462 SILTY SAND(SM) brown,wet 20%salt,80%fine grained sand low plasticity,high estimated ermeabilit SP SAND(SP),brown wet, 10%silt,90%fine grained sand no plasticity,high estimated permeability _ _ _ _ _ _ _ _ _ _ _ _ _ _ 500 10 v 50 — SILTY SAND(SM) brown,wet,5%clay,30%silt,65% 16 fine grained sand,no plasticity high estimated Mw-2- permeability 51 2"-diameter, 0 010"Slotted Schedule 40 SM PVC 05 ; 55 @55' 15%silt,85%fine to medium grained sand 12 MW-2 56 580 g Mw-2- SAhIDY SILT(ML),brown,wet,5%clay,65%silt,30% N 58 ML fine grained sand,low plasticity,moderate estimated permeability 600 r 60 Total depth=60' Boring 0f orin60 It ❑ g a LU a c� m a rn i rn i G r z x t 0 a J J W PAGE 19 OF 2