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Volume df Open Scrsholo and Annular Space <br /> 8stween Casing and 11.1. <br /> IHI, Vokum e/ Volume/ <br /> Y� Iicla 1ST ear ft. N-Ln.1 11 near ft, af- <br /> Oiamster of holo Casing Diameter Annular Space <br /> (inches} Gal. Cu. ft. (,no <br /> hes) Cal. Cu. Ft. <br /> 7.25 2.14 0.29 2 1.91 0.26 <br /> 0.25 2.70 0.37 2 2.55 0.34 <br /> 10.25 4.29 0.57 2 4.06 0.54 <br /> 10.25 4.29 0.57 4 3.46 0.46 <br /> 12.25 5.13 D.92 4 5.30 0.7L <br /> -Nate: Annularvolumes will bo multiplied by 30% to account far <br /> pornslty of filter pack, i <br /> 1 <br /> j If tho II aquifer 19 slaw to rechargu, -d—I.pment will anta until recharge is too slow to practically continue. <br /> The volume of water produced Versus time w1.11 be recorded, <br /> • 411 withdrawn groundwater will be -tared on-Bite in 55 <br /> gallon waste tlrum. unldsa pe -ioe io graatod by the <br /> approprl ata regulatory agency to discharge the —ter <br /> tq the <br /> ground surface or Banitary newer, brummed Water will be <br /> labeledwith the .—Co of Cha water to help enyure <br /> appropriate disposal based on centamLnation levels. <br /> 11.0 Soil Sampling prwt000i <br /> 11.1 Sample COUCCYion During Drilling Activities . <br /> Apropceel will bo submitted to the lead Regulatory <br /> A wthorlty with proposed boring/sampling lceation.. Th. <br /> actlocation and number of borings at each site will be <br /> determined in the field by the Prw]cct S.ologist/Engineer, <br /> prior to arriving at the 40mp10 "to, the drill rip/augers <br /> will be a cam cleaned and all ample equipment will be <br /> cleaned. Cleaning will bo ..d—tad o -si to en all sampling <br /> equipment hatwean each sample Int.—I. <br /> Sall samples will be obtain.d using a Caiifprniemodified <br /> .pIlt-spawn sampler containing three, six inch long, Ewa <br /> inch diameter brass tubes. Th- sampler will bq drivan IS <br /> I` Inches ahead of the hollow stem auger by a 140 Found hammor <br /> With a 30 Inch drop I .....danoa with American Soofety for <br />