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terrapha..�e <br /> i <br /> e n g i n e e r n g <br /> 1 <br /> ' October 30,2013 <br /> Mr.Todd Del Frate, P.G. <br /> Engineering Geologist <br /> ' WDR Compliance and Enforcement <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive#200 <br /> ' Rancho Cordova,California <br /> Sent via:email <br /> 1 Subject: Work Plan to Install Compliance Groundwater Monitoring Wells, Musco Family Olive <br /> Company,Tracy,California <br /> ' Dear Mr. Del Frate: <br /> ' Terraphase Engineering Inc. (Terraphase) has prepared this work plan on behalf of Musco Family Olive <br /> Co. (Musco)to set forth the procedures for installing three (3)compliance groundwater monitoring <br /> wells for the surface impoundments to be built in support of the Musco facility located in Tracy, <br /> ' California.As discussed with the Central Valley Regional Water Quality Control Board (RWQCB), Musco <br /> is currently in negotiations to purchase the adjoining property to the east of the current Musco facility <br /> ' ("the Site"; Figure 1).This property will accommodate the construction of approximately 8 acres of <br /> surface impoundments.This work plan has been prepared to discuss the procedures to install three <br /> compliance groundwater monitoring wells for the proposed surface impoundments. This Work Plan was <br /> ' written in conformance with Central Valley Regional Water Quality Control Board's guidelines titled <br /> "Requirements for Monitoring Well Installation Workplans,and Monitoring Well Installation Reports." <br /> ' Background and Objectives <br /> Musco Family Olive Company(Musco) has operated an olive processing facility at 17950 Via Nicolo in <br /> ' Tracy,California since 1983 (Figure 1). Fresh olives are received at the Facility during the harvest period <br /> of September through early November each year. During the harvest period,fresh olive processing and <br /> canning occurs. Stored olives are processed the remainder of the year. The facility processes and cans <br /> ' olives on a year-round basis and generates process water containing organic and inorganic dissolved <br /> solutes. <br /> ' The management of process wastewater at the Facility is regulated under two Waste Discharge <br /> Requirement (WDR) Orders issued by the Regional Water Quality Control Board (RWQCB). WDR Order <br /> No. 115-2005-0024 currently regulates and specifies the required monitoring for two surface <br /> ' impoundments (Pond A and Pond B),which receive process water and spent lye solutions.WDR Order <br /> No. 115-2010-0025 regulates Musco's land application system,which involves less concentrated process <br /> water used to irrigate approximately 200 acres of forage crop. <br /> ' Terraphase Engineering Inc. <br /> 1404 Franklin Street,Suite 600 <br /> Oakland,Caldornia 94612 <br /> w .terraphase.com <br />