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SECTION G <br /> GROUNDWATER SAMPLING AND LEVEL MONITORING <br /> least <br /> 48 48 hours <br /> samples fwill <br /> The initial groundwater sampling of each new monitoring.well will be performed at least hours after" <br /> well development One field duplicate will be collected per sample event_ Groundwater or a <br /> be collected using dedicated disposable polyethylene alwrthth d dedicated di. <br /> posab emonofilament rTefln®tubing. <br /> Recti Flo 2® (or equivalent)submersible sampling pump <br /> Samples will he transferred directly into the appropriate container as.specifically prepared bythe <br /> on <br /> laboratory for a tra type of analysis, as shown in Table T_ The samples will be labeled and p <br /> ice Tatond transported h under chain analysis, <br /> ;tody to a California certified laboratory. The groundwater <br /> samples will be analyzed for the parameters also specified in Table 1'_ <br /> Table t <br /> Analytical Methods <br /> Flag City WastewatetTreatmentPlant <br /> Groundwater Monitoring and Reporting Program <br /> Analyte Analytical Practical Sample Containers/Preservatives Holding Time- <br /> Quantitation Limit <br /> t 7d s <br /> 10 m L 500 milliliter ml ool eth lene. cool a 2days <br /> TD8 EPA 160.1 500 ml, polyethylene, cool (a) <br /> Nitrate as I EPA 300.0 0.5 mglL 28 days <br /> nitrogen 0 ml polyethylene, w/H2SOa,cool <br /> Ammonia as EPA.350.1 0_t mglL 5028 days. <br /> PrrRaC� 1500 ml, polyethylene, cool (a) <br /> ElecUigl EPA 720_1. 10.PS/cin <br /> condutdanc 1 <br /> e 500 ml, of ethylene, cool (a 1 day <br /> H EPA 150.1 0-01 SU Pre-sealed 110 ml plastic w/sodium <br /> Ictal 115 TUBE 2 MPN/100 mL <br /> thiosulfate. cool <br /> frform <br /> (a) A single 500 ml polyethylene bottle Provides suffident volume for TDS, nitrate,electrical conductance and PH an ' <br /> Co <br /> mentwill be decontaminated prior to sampling collection andhe depth all field test <br /> All sampling equip ecifications_ The depth to water'ill <br /> equipmentwill be calibrated according to the manufacturer's sp riorto an disruption of the wafer <br /> be measured to the neaof the well will be measured with a weighted sounding tape,and the well bore <br /> column,the total depthed usinga Grundfos <br /> volume and the required Purge volumes will be calculated. The well will be Puphysical parameters HPspe <br /> Recti-Flo2® (orequivalent) submersible pump, <br /> e waterd th be measured and recorded along with the date <br /> temperature) of the purge and sampling form <br /> conductance andtempe ) well <br /> and time of measurement The measurements will be a Deb purging <br /> to five cased <br /> (Appendix B)_ Pumping will continue until physical p moment between the iasttwo sets of <br /> volumes have been purged Stabilization shall be defined us I O c, and plus or minus 10 percent of full <br /> readings within plus of minus 0.1 PH units, p ammeters have not stabilized during the removal of <br /> scale reading for specific conductivity. if these p <br /> ll volumes,then a maximum of five well volumes will be removed <br /> three cased we <br />