Laserfiche WebLink
E <br />In the c4se* of the n�n-dedicated pump, it is lowered tato the well, and then activat& <br />(Power from'the controller box is tegW.ated which controls the discharge rate of the <br />cenY` ifugal purge. pump), In the cm of a well with a dedic-ated pump,the pneumad*c <br />controller box is connecud to the de&ciated pump (some W'ellt have Special high -rate <br />purge pumps used only for pur&g, these can be identffiter: by the fittings . an the cap). A <br />dediwed. discharge tube Qcept locked at the well head in, a protective. <br />bag) IS then' <br />attached to the discharge fittifig on the casing cap. The -COntrOffer is then turned on a6d <br />adjusted to reach the desired -purge rate. <br />Note: In all ca:!�es where gasolipe powered generator orc'Ornpressdrs am used, they are to <br />be laced at I�ast ten feet do-wnwi d of <br />P m the well being samplecL <br />5. During purging, field parameters (PFL electrical conductivity, turbidity� and <br />v 'N be InOlift0red- Parameter Measurements •Will be recorded on - temperature) <br />n Purge and sarnple Logs. <br />In addition field observations AsG will be made, and rrat e& an dv-- Ptirge and -sanWI, <br />Logs. Such observations includeItow rates, -volume ' -purged,-co•lorodw, bubbling or-apy.. <br />other notable observations. An example of a Purge (I'racterizati'On and Sample Log is <br />:r: vAlIxoritinue until -stalAe .f .ireadings am obtained - <br />PH is considered <br />stable if dic readings •do. not vary by ✓greater than 0. 1 pH unit'- Teraperatuz-c i� considered <br />table if it does not vau by mom that one degree Cebit& Conductivity and turbidity are <br />considered stable if they do not vary by great" than M%. Field <br />parameters will be <br />rcPeated at appftdmatc fivcgallon intaTals. A Of ffirce Well volumes Of WaW <br />wM be removed from each well- 17lic tin aLstabl"n. values -will be recorded to be us�i in <br />fl;c annual repott <br />SmMles Will. be collected as soon as possible after purging is **plcte& Labor,,Wry-supp <br />coti►ikars WW be used to hold the. water samplim Samples to be analyjod for volaffle- organic <br />*M be col1w.W first Depending on.the well, samples will be collected -with either <br />,dedicated TO-UM73-cuaff Wtwm-im <br />In ihe. case of dedicated purnp the rate will be acrjusted so t <br />PUMP that he sample will not be <br />agitated as it is collecW in sample battles. 'When ballers are used, their will be lowatd slowly <br />Wo the we'll so not to disturb the water. The sample will be decanted into the botues slowly with <br />234-93949-FOIXMIOR325 A4 <br />C*PYrWA M KkkWa. hrr <br />