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KLE/NFELOER <br /> . Bnglt hoph.IlpM f::_w. <br /> 2 GROUNDWATER SAMPLING <br /> 2.1 Sampling Locations <br /> The groundwater sampling shall be conducted in accordance with the following table: <br /> Name _ Location Purpose <br /> B-1 Northeast Comer of site near canal Assess estimated down gradient <br /> groundwater condition <br /> B-2 North of the site Assess estimated down gradient <br /> groundwater condition <br /> B-3 East of site Assess central groundwater gradient <br /> condition <br /> B4 Southwest corner of site Assess estimated up gradient groundwater <br /> condition <br /> B-5 Northwest corner of site Assess nature of groundwater in northwest <br /> portion of parcel <br /> Please see Plate 2 for the proposed groundwater sampling locations. <br /> 2.2 Water Level Survey <br /> The depth to water will be measured in each boring to the nearest 0.01 foot. The <br /> measurements will be made immediately prior to sample collection. The water in the <br /> borehole will be allowed to stabilize by equilibrating to atmospheric pressure for <br /> approximately 30 to 60 (maximum) minutes. The depth to water will be recorded in the <br /> field on the appropriate water level form. <br /> In the event that at least three well volumes of water cannot be purged from the wells <br /> without adversely affecting the recharge availability, then a modified purge strategy <br /> such as micro purge or low flow purge protocol will be used. <br /> 2.3 Sample Handling and Chain of Custody <br /> The water samples will be collected in appropriate laboratory grade containers for the <br /> listed analysis, logged on a chain of custody, and stored in an iced cooler for transport <br /> to the laboratory. Each of the analysis listed will be performed in accordance with EPA <br /> 128328/SAC14R0267 Page A-5 of 8 July 12, 2013 <br /> Copyright 2013 Kleinfelder Revision 2-February 14,2014 <br />