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GROUND ZERO ANALYSIS LOG OF BORING SB3/SB3a <br /> DbISEgROJECT _MA ,2 - LOCATION ti960 WA[NIIT GROVE ROAD, THORNTON CA PROJECT NO -314 <br /> ATE DRILLED 07128199 do 07/30/99 LOGGED BY SE_A_N_C,ARVFX REVIEWED BY JOHN P. LANE, RG N0, 6795 <br /> RILLING COMPANY FISCH ENVIRONMENTAL DRILLER FLINT METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 -IN DEPTH DRILLED _ 26 FT DEPTH TO WATER INITIAL 7 FT STATIC 54 FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA — DIAMETER IN SLOT SIZE IN INTERVAL — --- --J TO FT <br /> FILTER PACK TYPE NA _ INTERVAL FT To FT <br /> SURFACE SEAL TYPE _NEAT GEMENT GROUT INTERVAL . . <br /> 0 F7 To 18/26 FT <br /> COMMENTS _RRA SAMPLED TO 18 FE REFUSAL), S133a SAMPLED FROM 19-26 FEET REL OW-GROUND_SLIRFACE PAGE 1 OF_, _ <br /> WELL DEPTH FID SAMPLE 10 U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-4' ASPHALT <br /> 2 4'-6/9' LEAN CLAY WITH SAND (CL) 20% FN, A—SA SND, so% FNS, M—H <br /> DRY STRNGTH, SLW DLTNCY, M TGHNSS, L—M PLST, BRN, HPO, <br /> MST <br /> 4 CL <br /> 0 <br /> 6 <br /> 6 6/9-11/14' SILTY CLAY (CL/ML) 10% FN, A SND, 90% FNS, M-H DRY <br /> STRNGTH, SLW DLTNCY, M TGHNSS, M PLST, BRN, M PO, MST <br /> IIA142-S83-10' <br /> 10 3000 CL/ML <br /> 12 11/14-21/24' SANDY SILT (ML) 40% FN-CRS, A-SA, W GRDD SND, 60% FNS, <br /> L-M DRY STRNGTH, SLW DLTNCY, M TGHNSS, L-M PLST, BRN, <br /> NPO, MST-WET, SL PO AT 15' <br /> MAN2-S83-15' <br /> 14 <br /> 10 <br /> 1s <br /> 18 ML <br /> WAN2-SB3a-10' <br /> 20 2 <br /> 21/24-26' SILTY CLAY (CL/ML) 5% FN SND, 95% FNS, M-H DRY <br /> 22 STRNGTH, SLW DLTNCY, M TGHNSS, M PLST, BRN, NPO, WET <br /> 24 IIAN1-SB3a-25' <br /> CL/ML <br /> 0 GRAB GROUNDWATER SAMPLE COLLECTED THROUGH TEMPORARY <br /> WELL SCREEN <br /> 26 <br /> 2$ <br /> 30 E© GF4l <br /> —32- <br /> - <br /> 2 Q� JOHN p � <br /> • Lrt C' <br /> 34 No 6795 <br /> 36 ` <br /> yF <br /> 38 <br /> 40 <br />