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Environmental <br /> omenta <br /> Science & <br /> Engineering,Inc Page i of� <br /> 4 MGM C..".1 i <br /> WELL DEVELOPMENT DATA <br /> Bore us:-,-S Well (d 57 S <br /> Coject No & Task 9 ZSA-4o - I 00o Well Completion Summary <br /> Project Cl;c.a.µ N. Date Installed 4-13-If 4 <br /> ate(s) Developed -2v-4 6 __ Well Diameter (I.D) J L- i,,c w <br /> tga <br /> nnel (Name/Co) `lir++� t,.t$tcE ASI Annulus Diameter -L zm 5 ft to�ft <br /> Used VA,- 'fm wc.l' in ft. to & <br /> Surge Block(Types/Diam) a.- t,,,L.4 Screen Interval o.oz. slots ft. toffs ft <br /> timp (Type/Capacity) vRt t+ti,w< _ _ slot ft to ft <br /> ailer(Type/Capacity) V4t, Casing Height (ags) ft <br /> Measured Well Depth TOC (Initial) 7%-o ft Bottom of Screen(bgs) <br /> (Final) `i 3, q ft <br /> Water Level TOC/Date/Time (Initial) 6 2-+a <br /> Feet of Water in Well_LL JT ft x 4 7, allons/foot= !.9 _ gallons casing/annulus volume <br /> Method Volume Measurement <br /> One Purge Volume t gallons <br /> Mmunum Purge Volume 30 gallons <br /> Total Purge Volume 40 gallons <br /> Calibration . pH Meter Used H,r,hA c Calibrated (dateltime) 4-zo•k L 06 3 a rMs <br />*Conductance <br /> pH 700 = .oa at -:?-q °C, pH 1000 (circle) at 'irk °C <br /> Meter Used 1�Yo `�z o a S <br /> Standard--j- 'L a umhos/cm at 25°C, Reading I Z.Zo umhos/cm at <br /> �o °C <br /> InPurge Volume Tithe Temp 'C pH Conductance Physical Characteristics <br /> (turbidity,odor,sand content,color) <br /> rZI <br /> (gal) (cast vol) <br /> Initial <br /> CIO l � <br /> i O <br /> I.?' qof' I is 1R.I% Tr��i <br /> Gp V LLAi.OY i1/+wn <br /> gyp" 5 4Cz II. C.L4r2 CLP'4 <br /> Flna1 <br /> �4 toms 68 1 a,�. 1.33 Cc,E�. ¢ CLerrz <br /> Remarks <br /> ater Sourcq--_________= Collected by <br /> Signature Date <br /> Added Water (gallons) <br /> Water Lost (gallons) Checked by <br /> 4090 Nelson Avenue,Suite J Concord,CA 94520 Phone(510)685-4053 y Fax(510)685-5323 <br />