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' CGRS,Inc. • • <br /> ' sampling will be determined after reviewing the initial analytical results; it is not anticipated that N O <br /> ' more than three months will be required before water quality parameters equilibrate. <br /> ' Surface water quality will be monitored by obtaining samples from the Saint Wain river <br /> downstream of the study area. Surface water samples will be obtained at the same frequency as <br /> ' groundwater samples. <br /> ' 4.5 Continency Plan and Abatement <br /> If adverse changes to water quality as predetermined by all interested parties are observed during <br /> ' testing, the coal ash will be immediately excavated and stored in a dry impoundment within the <br /> Varra property boundary. Native soils will be placed in the trench and water quality will be <br /> ' monitored on a monthly basis for the constituents of concern. Additional remedial activities, if <br /> needed, will be commensurate with the extent and degree of water quality degradation. <br /> ' 5.0 PROJECT SCHEDULE <br /> ' Upon authorization to initiate field testing, two weeks will be required to contract subcontractors <br /> ' and initiate field activities. Based on laboratory experiments it is anticipated that approximately <br /> three months will be required to perform field activities. The project length is based partially on <br /> ' pore volume flow through calculations and the observed leachability of coal ash samples. It is <br /> anticipated that a summary report will be submitted within four months of coal ash placement. The <br /> report will detail analytical results, hydraulic characteristics of the ash bed, observed variations in <br /> ' hydrogeology and water quality. <br /> ' 6.0 ORGANIZATION AND STAFF ASSIGNMENTS <br /> 6.1 Project Personnel <br /> Mr. Joby Adams of CGRS will serve as project coordinator and contact to Varra Companies. Dr. <br /> ' James Warner (CSU Groundwater Program Leader) of Colorado State University will provide <br /> senior technical review. Mr. Chester Hitchens of CGRS will serve as field coordinator and will be <br /> responsible for supervising drilling activities and will perform or supervise water quality sampling. <br /> 1 <br /> II <br />