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• <br />C <br />I~ J <br />Summary of Field Inspection/Monitoring Requirements during Sand and Gravel <br />Mining Operation. <br />Table 2. <br />Tasks Frequency Location & Trigger Response <br /> Sco a Criteria Action <br />Fluid levels [o Daily basis for first MW-I, MW-2, Product detected in Cease pumping, <br />accuracy of 0.01 2 weeks after start MW-3, MW-4, wells not notify the <br />ft. of dewatering; then WP-3, GWC-1, previously Division, evaluate, <br /> weekly for next 6 (HI.A)MW-3E, containing and mitigate as <br /> weeks; monthly (HI,A)MW-9W, product, or product appropriate <br /> thereafter. thickness shows <br /> increasing trend in <br /> MW-2 or WP-3. <br />Field Inspection Daily (mining Inspect: 1. Mining 1. Product/product ].Cease pumping, <br /> operators) excavation for sheen detected in notify MEI. <br /> contaminated soil mining excavation <br /> orproducUproduct or sedimentation <br /> sheen on basin <br /> groundwater. 2. Contaminated <br /> 2. Sedimentation soil in excavation 2. Cease rttining in <br /> basin for (black staining contaminated area, <br /> producUproduct odor, visible notify MEI. <br /> sheen roduct. <br />Field Inspection Weekly (MEI) Inspect: 1. Mining LProducUproduct ].Cease pumping, <br /> excavation for sheen detected in notify the <br /> contaminated soil mining excavation Division, and <br /> or producUproduct or sedimentation mitigate as <br /> sheen on basin required. <br /> groundwater. <br /> 2.Sedimentation 2.Con[atnina[ed <br /> basin for soil in excavation 2.Manageldispose <br /> producUproduct per table 1. <br /> Sheen <br /> 3.CondiGon of any 3.Runan/runoff <br /> stockpiled soils, problems, nuisance 3.ControUcorrect <br /> solid waste, ACM. odors or dust, problems, <br /> 4.Other pertinent improper manage/dispose <br /> observations management per table I. <br /> /di sal <br />CDPS Discharge Consult CDPS <br />Permit monitoring Permit #. CO- <br />requirements. 0046175 <br /> (A ndix C). <br /> <br />12 <br />