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hs <br /> FILE COF <br /> GAUGING DATAIPURGE CALCULATIONS <br /> No- CA Location: 0..rY�-2__S O C !n Date: Tech <br /> ( - <br /> s)- <br /> WELL DIA. DTB DTW ST CV PV SPL NOTES <br /> tNO (in) (ft-) (ft-) (ft) (gal) ("al.) (ft) <br /> . � <br /> 19 ?- 9 lr� l 1 4 • 2_3 <br /> rM <br /> 11AM 19 %-%L_ � -351Y_ 2)5 <br /> AdftkI <br /> I <br /> I <br /> Fxplanatxon- Conversion Factors (cf) <br /> DDA. =Well Diameter 2 in- dia. well cf=0 16 gal./ft. <br /> DTB = Depth to Bottom 4 m. dia_ well ci=0.65 gal /ft <br /> DTW=Depth to Water 6 in dta_ well cf=1.14 gal./ft. <br /> ST=Saturated Tluckness (DTB-DTW) <br /> CV=Casing Volume(ST x cf) CLEARWATER GROUP, PV-C. <br /> �= Purge Volume (standard 3 x CV, 520 Third St ,Ste.104 <br /> well development 10 x CV) Oakland, California 94607 <br /> SPL=Thidmess of Separate Phase-isgcuxd Phone 310-895160 <br /> Fax: 510-893-5947 <br />