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Aktnx Well Development <br /> Project Number Well Location Name <br /> Installation/Site SOP No. <br /> Field Team Leader Date <br /> Contractor/Technician <br /> Description of Technique and Equipment Used (e.g.,surge block, pump, bailer description,sizes,etc.) <br /> Well Parameters <br /> 1-ft Casing Vol. (gal/ft) Total Depth (ft TOC) Initial Final Well 1-ft Casing <br /> Water Column (ft) Depth to Water (ft TOC) Initial Final Diam. Vol. (gal/ft)**Sch Sch <br /> Top Bottom <br /> One Well Volume (gal) I2� Screened Interval (ft TOC) (ID) c 80 <br /> Pump Depth/s Total Volume Removed 2 0.17 0.15 <br /> [1] 1-ft casing volume(gal/ft)_(n x r2 x h x CF);where r=I.D.radius(in);h=1-ft well height(i.e.,12 in); 3 0.38 0.34 <br /> CF=conversion factor for cubic inch to gallon(0.00433 gal/cubic inch) <br /> [2] One well volume(gal)=h x 1-ft casing volume(gal/ft)x height of water column(ft) 4 0.66 0.59 <br /> 6 1.50 1.35 <br /> 8 2.60 2.37 <br /> Example:100ft well,Water Level at 80ft,4"diameter <br /> 100-80=20 20x 0.66=13.2 gallons(1 well volume) <br /> Typical Development is 10 volumes or 132 gallons for this example <br /> *Check with PM and review work plan to determine what criteria constitutes the completion of development. <br /> **Confirm inner diameter to calculate the volume <br /> Field Measurements <br /> Spec. <br /> Time DTW Purge Vol. Flow Rate Temp. pH Cond. DO ORP Turbidity <br /> (hh:mm) (ft TOC) (Gal) (gpm) (°C)±3% (S.U.)±0.1 (µ6/cm)±3% (mg/L)±0.2 (mv)±10 (NTU)<5 <br /> Observations(color,odor,NAPL,other) <br /> Ahtna Southwest Environmental Page of SWE-FFRM 402.00(May 2022) <br />