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INCORPORATED <br /> P. 0. BOX 418 TEHACHAPIt CALIFORNIA 93861 24 hour phono: (806) 832.4101 <br /> I <br /> 12-11-89 <br /> Son Joaquin- County Public Works <br /> Acampo Phase-2 Well . <br /> Gco-Hydro-Dat a,performed .a series of Electric logs and natural Gamna logs <br /> or: the Phase-2 well and a reference test hole, to determine if the steel conduct <br /> or casing was cemented and sealed properly- from 140' to 198' <br /> The distance from 140' to 198' of the cement seal was in doubt because tine <br /> supply pipe from the surface has obstructed at 140' and could not be lowerud any <br /> further, . <br /> After perforn:ina the lois and careful- analysis,Ceo-hydro-Data has concluded <br /> that. there is sufficient. proof that there is a nonpermeable cement seal from 198' <br /> to the surface, and that there is no separation of the materials in the cement <br /> mix. <br /> President, Registered Geologist <br /> L - <br /> Associate -Geoloeist <br />