Laserfiche WebLink
Sampling Crew Reviews Project <br /> Sampling Requiremorft, Schedule <br /> Fleur D & <br /> Instrument Calibration <br /> Check Integrity of Well <br /> (Inspect for Well Dam e) <br /> Measure & Record Depth to Wate <br /> and Total Well Depth with <br /> Interface Probe <br /> Measure Floating Product Thickness <br /> with Interface Probe <br /> Floating Product Not Present <br /> or Visible Product Sheen Only <br /> Floating Product Present Check Visible Water <br /> Confirm Product Thickness Purge Volume Calculation <br /> with Clear Bader <br /> V a(r112) 2 h(X vol)(7 48) _ �callons <br /> Collect Free Product Sam le V = purge volume (gallons) <br /> Dissolved Product Sam le Not Required z = 3 14 <br /> r = inner well radius (inches) <br /> h = water column height (feet) <br /> Record Data on7F91d X = desired number of casco volumes <br /> [S Vin Data et <br /> Evacuate water from well equal to the calculated <br /> . purge volume while monitoring groundwater <br /> stabilization parameters (if appropriate) at <br /> intervals of one casinc volume <br /> Well Dewaters After One Purge Volume Well Readily Recovers <br /> (low yield well) <br /> Weil Recharges to 809'0 of Initial If appropriate, record groundwater stability <br /> Measured Water Column Height parameters with each purge volume Stability <br /> Is Indicated when the following criteria are met. <br /> Measure Groundwater Stabillty pH = t 0 2, Conductivity = ± 100%, <br /> Indicator Parameters Temperauture = t 1 0 °C <br /> If Appropriate <br /> Collect and Preserve Sample Groundwater Stabile Achieved Groundwater Stability <br /> According to Required Chemical <br /> Analysis I Collect Sample & Complet <br /> Chain-of-Custody Continue Purging Until <br /> Complete Chain of Custody Stability Is Achieved <br /> ransport to Analytical Laboratory or a Maximum of 10 Well Volumes <br /> ranspon to Analytical Laborato Collect Sample & Complete <br /> Chain-of-Custody <br /> EENV <br /> DR6- ransport to Analytics) LIR6NM.ENTAL <br /> PLATE A-3 <br /> HN b LOGIES, INC. WATER SAMPLING <br /> FLOWCHART <br />