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_ K•Y j ; _ ._ �. <br /> .y. <br /> Volume of Open Borehole and Annular Space <br /> Between Casing and Hole <br /> Volume/ <br /> Volume/ Nominal linear ft. of* <br /> Hole linear ft. Annular Space <br /> Diameter of nole Casing Diameter(inches) Gal. Cu. Ft- <br /> (inches) Gal. Cu. ft• ______________ <br /> ...... <br /> -_-__- -_.._- - 2 1.91 {x.26 <br /> 7.25 2.14 0.29 <br /> 2 2.55 0.34 <br /> 8.25 2.78 0.37 <br /> 10.25 4.24 0.57 <br /> 2 4.06 0.54 <br /> 1.0.25 4.29 0.57 <br /> 4 3.46 0.46 <br /> 12.25 6.13 0.82 <br /> 4 5.30 0.71 <br /> *,'ote' Annular volumes will be multiplied by 30% to account for <br /> porosity of filter pack• <br /> slow to recharge, development will <br /> If the: aquifer is <br /> continue until recharge Ce versus timelow to practically <br /> cl <br /> willberecorded. <br /> The volume of water p <br /> All withdrawn groundwater will be stared on-site <br /> bin the <br /> 55 <br /> gallon waste drums unagencyeP-,rmissiOTI is to ranted <br /> discharge the water to the <br /> appropriate regulatory <br /> ground surface or sanitary sewer• Drummed wthe water to hey wensure <br /> labeled appropriate disposal ed onource fcontamination levels. <br /> approp <br /> 1 <br /> 11.0 soil Sampling Protocol <br /> 11.1 sample Collection During Drilling Activities <br /> A proposal will be submitted sa the lead tions- The <br /> Authority With proposed boring/sampling <br /> ings; at each site will be <br /> exactdetermined andlocation in the field by the Project ,eologist!Engineer. <br /> rig/augers <br /> Prior to arriving at the sample Site, the drillment will be <br /> will be steam cleaned and all sample equip <br /> e conducted on-site on all samplingcleaned. Cleaning will b <br /> equipment between each sample interval. <br /> soil samples will be obtained using a sixlong, <br /> i inch aified <br /> two <br /> split-spoon sampler containing three, <br /> inch diameter brass tubes. The sampler a <br /> of the hollow stem auger by ill <br /> bpoundi hammer <br /> mdriven <br /> s <br /> incheaead <br /> with s h inch drop in accordance with American Society for <br />