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a� <br /> WELL DEVELOPMENT PROTOCOL <br /> For all newly installed ground-water monitoring wells <br /> casing, filter pack, and adjacent formation shall be cleared of <br /> disturbed sediment and water before representative water samples <br /> , the well <br /> are collected. An Applied GeoSystems <br /> Operate or observe such development. <br /> field geologist shall <br /> Before well development begins, the grout and bentonite seals <br /> Will be allowed to set for at least 24 hours. Well development <br /> tools shall be thoroughly cleaned immediately before each well <br /> development. Well development shall begin with bailing either a stainless steel or Teflon bailer. This <br /> remove heavy g using <br /> remove <br /> hea y sediments from within each well casing <br /> will <br /> Posing <br /> sibility <br /> of well screen abrasion and pump dama e' reducing the <br /> quem pumping. Wells shall be bailed until watersamples <br /> contain only trace amounts of fine to coarse sand <br /> sampling containers after 15 minutes of settling. as measured in <br /> The wells will be mechanically surged with a surge block for 30 <br /> minutes. The block will be lowered to the we <br /> of th <br /> from the water. ll bottom and then <br /> carefully drawn up to the top e screen or until it emerges <br /> required Areas of dense or over-compacted sediments may <br /> more vigorous surging. Between surging strokes the well <br /> will be bailed and/or pumped to remove the sediment-laden water <br /> generated. <br /> After surging wells under development will be pumped. For <br /> P development, the wells will be pumped or bailed until: <br /> 1) the discharge is clear or near clear; or 2) the turbidity has <br /> not noticeably changed within half an hour. <br /> All water and sediment generated b <br /> y well collected in clean, 55-gallon Department OfvTransportatelopment ion-be <br /> approved steel drum(scontained <br /> Drums of this development water will be <br /> temporarily contained on-site pending <br /> analysis. Non-hazardous development waterslshall ng dbeadisposed <br /> by surface dumping (small amount) , or sewerage. disposed of <br /> I hazardous development water shall be Potential <br /> suitable hazardous waste disposal be properly disposed of at a <br /> non-hazardous discharge. Disposal or treatment the <br /> development properly treated for <br /> P water will be undertaken after receiving <br /> authorization from the client. <br /> A..._'F'- -' <br />