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MONITORING WELL PURGING PROTOCOL <br /> EIYLCON MEASURE AND RECORD DEPTH TO WATER <br /> �awc�+�TEs AND WELL TOTAL DEPTH <br /> CHECK FOR FLOATING PRODUCT <br /> YES <br /> MEASURE AND DOCUMENT CALCULATE PURGE VOLUME BY <br /> FLOATING PRODUCT THICKNESS. USING THE FOLLOWING EQUATION- <br /> DO <br /> ISSO VED CONSTRUENTS. P n r z h x 7 48 x 3 <br /> where: <br /> P = calculated purge volume(gallons) <br /> TT - 3.14 <br /> r = radius of wetl casing in feet <br /> h = height of water column in feet <br /> EVACUATE WATER FROM WELL EQUAL TO <br /> WELL EVACUATED TO PRACTICAL LIMITS THE CALCULATED PURGE VOLUME WHILE <br /> OF DRYNESS BEFORE REMOVING MONITORING GROUND-WATER STABILIZATION <br /> CALCULATED PURGE VOLUME INDICATOR PARAMETERS(pH, CONDUCTIVITY. <br /> TEMPERATURE)AND TURBIDITY AT INTERVALS <br /> OF ONE CASING VOLUME <br /> NO EYES <br /> FINAL TWO SETS OF GROUND-WATER <br /> STABILIZATION INDICATOR PARAMETER WELL RECHARGES TO A LEVEL <br /> MEASUREMENTS MEET THE FOLLOWINC3 SUFFICIENT FOR SAMPLE <br /> CRITERIA SUFFICIENT <br /> WITHIN 24 HOURS <br /> cotv0 - t 10%PH - t 1 pH units OF EVACUATION TO DRYNESS. <br /> a <br /> TP = 10 "F <br /> YES <br /> TB <br /> I,q <br /> YES NO <br /> FIELD TEST FIRST RECORD WELL <br /> WELL PURGING CONTINUE PURGING. RECHARGE WATER FOR AS DRY FOR <br /> CRITERIA MET. EVACUATE ADDITIONAL INDICATOR PARAMETERS PURPOSES OF <br /> PROCEED TO CASING VOLUME OF AND TURBIDITY.THEN SAMPLING. <br /> WELL SAMPLING WATER. MONITORING PROCEED TO WELL <br /> INDICATOR PARAMETERS SAMPLING. <br /> FOR STABILITY. <br /> ElREE�IJIGONAssociates MMr` RIN0 WELL PUpGMG PROTOCOL <br />