Laserfiche WebLink
x i :i: �' �, FEN <br /> '- a � I- <br /> ate. <br /> ;"�,+».. 'r`.'�' F` xn +!.a°�^w � <br /> r� <br /> The dept,t, to groundwater will 00 mer,""" from the highest point <br /> the top of thethe ,.asiclg tea t.fyc: surface Of the water table' <br /> on which <br /> on devise usan will by an electric conductivity <br /> trips a red light and a buzzer when the: probe touches water. <br /> A <br /> l.l <br /> minimum of three m"jurements wlll be made at �'.3 w� � <br /> final reading will be noted after 2 or more readings do not vary <br /> by morn than 0. 03 feet. <br /> Water ,,,les will be obtained as follows: <br /> A) First, one full well volume of water will be withdrawn from <br /> the well; <br /> ph, Conductivity, find Temperature wi)l be <br /> t5) parameters of <br /> measured:. <br /> C) A 1/2 well volume of water will be withdrawn and the <br /> parameters remeasured, �r_the results vary by more h f 3 then <br /> stop C is repeated, 'Tf�10 � �4 t <br /> D) The well is allowed to recover to 80% of its original volume <br /> or 2 hours blue Passed then a sample will be withdrawn and <br /> placed in its appropriate container. <br /> Purged water will be placed in a drum sealed and loft at the <br /> site until its hazardous condition is assessed. <br /> `..-.• Each well site will be surveyed <br /> dto withinThe 0 tion torizthet1fioplOf <br /> and to within 0. 01 I+ vertically, <br /> the casing in each well will be measured with a spirit level an <br /> surveyors rod. The leveling will take place at least 24 hours <br /> after the casing seal and traffic box have been Fet. <br /> Water samples will be taken from the water at or near the <br /> surface of the water table, unlesa otherwise indicated. Water <br /> will be placed within the prescribed container forthe eats ce <br /> required. The containers will be filled so that zero <br /> is present in the sealed vial then they will be placed in a <br /> cooler containing ine Trip blanksawillred taccompany all o the lab hsampin 8f-}14ur� <br /> of the sampling timethe <br /> containers. A Chain of Custody will be <br /> lby the laboratory. <br /> sanpler, detection limits must be supplied <br /> Well or Boring Abandonments: <br /> All wells and borings will be destroyed once no lcnger needed. <br /> The following "Ps will be followed: <br /> 1. Check well to see if the hole is open to its original drilled <br /> depth, if not clean out tfle hole- <br /> wealed <br /> 2. Tile uFPcaCsfeet'ementowithe5% bentonite egrout. Thehloweronite <br /> grout)partionoof a the well can be filled with clean grout or sand <br /> whichever is more convenient. <br />