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<br />EXHIBIT ~ <br /> <br /> <br />Green . <br />Environment mc. <br />www.greenenvironme-nt.oom <br /> <br />195 Glenn Way, Suite 250 <br />San Carlos. CA 94070 <br />T 650.508.8018 <br />F 650.508.8176 <br /> <br />PROJECT PROPOSAL <br /> <br />Date: <br /> <br />May 1, 2007 <br /> <br />Project #: R07xxx <br /> <br />Client: <br /> <br />City of Redwood City <br />1017 Middlefield Road <br />Redwood City, CA 94063 <br /> <br />Attn: Mr. Brian Lee <br /> <br />Re: Monitoring and Reporting for NPDES Permit Compliance for <br />Groundwater Treatment System for City's Underground Parking <br />Facility at 850 Jefferson Avenue, Redwood City, CA <br /> <br />Introduction <br /> <br />The site known as "On Broadway" in Redwood City, California includes a parking <br />garage with two below grade parking levels. The garage is dewatered by a permanently <br />installed groundwater extraction system and volatile organic compounds (VOCs) in the <br />groundwater are removed by a carbon filtration system before the groundwater is <br />discharged to the storm sewer system. The discharge is permitted by the Regional Water <br />Quality C()ntr61Boaid(RWQCB). The permit requires perIodic monitoring and quarteiiy <br />reporting. <br /> <br />Proiect Scope <br /> <br />Task 1 : Monthly Monitoring and Quarterly Reporting <br /> <br />GEl will conduct monitoring of the treatment system from June 2007 through December <br />2007. GEl will collect one (1) influent, one (1) midstream and one (1) effluent <br />groundwater sample for subsequent laboratory analyses. The proposed sampling and <br />analytical schedule is provided in the tables below. <br />