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ENVIR Pages ENVIR Page <br /> March 24,2020 1 March 24,2020 <br /> ESSMENT, PC Pmjectxumber2020-03-011 ESSMENTr PC Project Number 2020-03-011 <br /> Monitoring and Record Keeping During Water Level Measurement and Well Purging Conventional Chemistry Parameters by EPA Methods <br /> Test Parameter I DLR1 I Unit Method <br /> hloride 1.00 m EPA300.0 <br /> During the water level measurement and well purging,a specifically designed field form ecific Conductance C 1.00 VIL <br /> EPA120.1 <br /> will be used to keep a record of the water level and some physical properties of the purge water. odium 1.0 EPA 200.7 <br /> Attached to this SAP is a field record to be used for each sampling event on each well. itmte Nitro en 1.00 EPA 300.0 <br /> otal Nitrogen 1.00 EPA300.0 <br /> oral Dissolved Solids 1.00 EPA 160.1 <br /> The purge water will be tested once foreach casing volume removed for basic water quality Meatsb EPA 200 Series Methods <br /> issolved Iron 1 50 1 pa EPA200.7 <br /> parameters including pH,electrical conductivity,and temperature. The water quality meter to be Vissolved Manganese 1 20 EPA 200.7 <br /> used is a Oakton PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester. The portable I-DLR=D.eeuon Limi9 for Proposes ofR,016 g <br /> meter will require decontamination between wells. The required meet calibration period for pH <br /> is every me weeks and for TDS is every month. Sample Containers and Preservatives <br /> The laboratory will provide all the sample bottles and preservatives. Prior w the beginning of the <br /> The well is ready for sampling when all the parameters are within+5 percent on three(3) sampling the analytical laboratory and our office will review the procedures for correct collection. <br /> consecutive readings. handling and transportation of each required sample from the fieldtothe labomtory. Thefollowing <br /> table provides the sample containers for each of the four(4)different groups of tests. <br /> Purge Water Disposal <br /> Sample Containers.Preservatives,and Holding times <br /> Since the purge water is not hazardous waste, the purge water will be discarded on the Family of Tests Container Holding Time Preservative <br /> ground nearby the monitoring well. If any noticeable odors or concerning physical properties are Conventional Chemistry three(3)one-liter plastic S hours nitrate no pre <br /> ammeters by EPA Methods and bottle 14 days for <br /> observed in the ground water sample,the purge water will be stored in 55-gallon drums for further Metals by EPA 200 Series others <br /> analysis. Methods <br /> Analytical Methods and Required Reporting Limits Sampling <br /> The initial proposed sampling frequency is Semi-Annually. Samples will be taken in January and <br /> The following are the proposed analytical methods: July. Should the required tests show no impact to ground water quality from activities at the site, <br /> less frequent sampling or a suspension of sampling activities may be appropriate. <br /> ENV@OASSESSNRNr.PC EIIVL¢OMAIN EN0E43ERWG-0E01,00Y lTNL¢OnSSESSp1EMI.PC 6NVIXONM14N1'AL 6NGOJGmPIG GEOLOGY <br /> coa ,Posox IIH.BONNERS}£RRY.DBMS PHONE(W)U4 rill FAX(Vn63.t-M93 CORP:PoBO%IISC.BONNERa FflLQY.mB]A05 MOMS )7424311 FA uM)60-5493 <br />