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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 /> cf hole Casing Diameter Gal. cu. Ft. <br /> Diameter of ft. (inches) __ <br /> Gal. -------------------- <br /> 0.26 1.91 0.2fi <br /> 7.25 2.14 0.29 <br /> 2 2.55 0.34 <br /> 8.25 2.78 0.37 <br /> 2 4.06 0.54 <br /> 10.25 4.29 0.57 <br /> 4 3.46 0.46 <br /> 10.25 4.29 0.57 <br /> 4 5.30 0.71 <br /> 12.25 6.13 0.82 <br /> Annular volumes will be multiplied by 30% to account for <br /> porosity Note: of filter pack. <br /> e development will <br /> If the aquifer is slow to recharge.. continue. <br /> continue until recharge is too slow to p <br /> The volume of water produced versus time will be recorded. <br /> will be stored <br /> 55 <br /> All withdrawn groundwater rantedebynthe <br /> gallon waste drums y agencyeto discharge the water to the <br /> appropriate regulatermission is <br /> ory Drummed water will be <br /> ground surface or sanitary sewer-the water to help ensure <br /> i label e� ate disposal source <br /> onfcontamination levels. <br /> apP p <br /> 11.0 Soil Sampling Protocol <br /> Activities <br /> 11.1 Sample Collection During Drilling ead Regulatory <br /> A proposal will be submitted sa piing locations. The <br /> Authority with proposed boring/ at each site will ]:>e <br /> exact locatin the field by the and number of bPrings Geologist/ gineer. <br /> determined <br /> Prior to arriving at the sample site, the drill rig/augers <br /> will be <br /> will be steam cleaned and all sample equipment <br /> cleaned. Cleaning each sample interval. site on all <br /> equipment b sampling <br /> be obtained using a California modifiedd <br /> Sail samples will six inch long, <br /> wo <br /> split-spoon sampler containing three,sam <br /> inch diameter brass he hollow stemeaugerler by ai140 by and hammer <br /> inches ahead o <br /> _-- with a 30 inch drop in accordance with American Society or <br /> 1 <br />