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Page 3 of 5 <br /> and construction documents to Ecology as required by State law. Develop the monitoring well by a <br /> combination of surging and purging. Monitoring well survey will be completed by the CITY. <br /> 7. Obtain soil samples at approximately 2.5-foot depth intervals during drilling and visually classify the <br /> samples in general accordance with ASTM International (ASTM) D 2488 and maintain a detailed log of <br /> each exploration. Soil samples are not planned to be obtained from the monitoring well borings. <br /> 8. Complete four quarterly groundwater compliance sampling events of monitoring wells (four existing <br /> monitoring wells and two new monitoring wells) using low-flow sampling techniques. Submit the <br /> groundwater samples for chemical analysis of PAHs, diesel and oil-range petroleum hydrocarbons, <br /> gasoline-range petroleum hydrocarbons,volatile organic compounds,and MTCA 5 metals.Water samples <br /> will be submitted for analysis of total and dissolved metals. Prior to sampling,the wells will be purged until <br /> water quality parameters stabilize and/or three well volumes are removed. Chemical testing will be <br /> performed on a standard turnaround time by an Ecology-certified environmental laboratory under <br /> subcontract to GeoEngineers. Depths to groundwater will be measured prior to sampling. <br /> 9. Evaluate groundwater chemical analytical results relative to MTCA cleanup levels. <br /> 10. Investigative derived wastes (IDW) left on site for disposal by the City at a future time. IDW soil will be <br /> wrapped in plastic and left adjacent to test pits. IDW water from monitoring well installation will be <br /> drummed and left on site at a location designated by the City.Costs for IDW disposal is not included in this <br /> scope of work and we assume IDW disposal will occur during the Property redevelopment. <br /> 11. Prepare a compliance groundwater monitoring report summarizing the results of the four quarterly <br /> compliance groundwater monitoring events. The draft report will be submitted to the City for review and <br /> comment. Comments will be incorporated into the final prior to submittal to Ecology under the VCP. <br /> Task 4:Inspection and Maintenance Plan for Parking Lot <br /> 1. An Inspection and Maintenance Plan will be prepared following cleanup if an environmental covenant is <br /> required as part of the cleanup. An environmental covenant may be needed if soil exceeding MTCA <br /> cleanup levels cannot be removed in the vicinity of buried utilities along 36th Street. The Inspection and <br /> Maintenance Plan, if required, will outline requirements for maintaining the future parking lot surface to <br /> prevent contact with contaminated soils remaining at the Property. <br /> Task 5: Regulatory Support <br /> 1. Communicate and meet with Ecology to discuss VCP submittals and Ecology opinion letter. <br /> 2. Submit environmental data into Ecology's Environmental Information Management (EIM) database as <br /> required under MTCA. <br /> 3. Provide support to the City related to the environmental covenant, if needed. <br /> 4. Provide supporting environmental consulting or meetings with the City related to the completed cleanup. <br /> 5. Following an NFA from Ecology, subcontract a licensed driller to abandon the environmental monitoring <br /> wells provided they are no longer needed. <br /> 6. Perform routine project management, budget tracking, and invoicing. <br /> GeoEngineers,Inc. <br /> File No.0661-108-03 <br />