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EGG <br /> GREGG DRILLING S TESTING, INC <br /> '247 ARNOLD INDUSTRIAL WAY, SUITE A <br /> CONCORD, CA 94520 ❑ {415) 680-4442 0 FAX (415) 680-4559 <br /> Top of Protective Casing <br /> Top of Well <br /> Ground Level 0 0 ' pJC- <br /> !S � - or- O2Lo <br /> u SANo <br /> ' Top of Grout � , O OA-MR- Flew rcti.Y� <br /> Bottom of Protective Casing 1J <br /> tTop of Seal <br /> Top of Filter Pack 13.6 <br /> Top of Screen s' y <br /> RECEIVED _ <br /> MAY 1 1 1990 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> ? Bottom of Wel l Zh' w Well No <br /> 4 <br /> 4 <br /> SPFC1Al IZINC; IN CONTAMINANT SAMPI ING AND IMC]NITORING WFLL INSTALLATIONS <br />