Township Council Meeting — Packet

Proposal for Professional Services –Groundwater Monitoring and Reporting Re: Department of Public Works at 25 Lakeside Avenue – UST Case December 6, 2024 Page 3 of 6 SCOPE OF SERVICES Based on the review of existing remediation documents, CME has prepared the following scope of work to comply with the NJDEP Technical Requirements for Site Remediation at the Site and provide the consultation and project management necessary to continue to advance the project towards a closure. Task 1: Monitoring Well Gauging & Sampling (Quarterly- Four Rounds) Perform four quarterly groundwater sampling events at the Site. Collect samples from all the existing monitoring wells (MW-1 through MW-12). Groundwater samples will be obtained in accordance with the NJDEP Field Sampling Procedures Manual (August 2005). Groundwater samples will be analyzed for TCL VO+15, and TBA. A QA/QC plan consisting of field and trip blank samples will be incorporated into the sampling program. Purged groundwater will be containerized in drums and disposed off-site at an approved disposal facility. All sampling and monitoring will be performed according to the methodology specified in the most current edition of the Department's Field Sampling Procedures Manual. All samples will be analyzed by a New Jersey Certified Laboratory except those field-determined parameters specified in the monitoring program established pursuant to the oversight document. Task 2: Reporting and Management CEA and GW remedial Action Permit Based on the previous sampling results and the results of the proposed additional Four quarterly sampling events, CME will establish fate and transport modeling to evaluate the extent of dissolved groundwater impacts (plume) and to compare the degradation predictions to existing data. CME will prepare and submit a Revised CEA Fact Sheet Application and prepare a groundwater remedial action permit pursuant to the Administrative Requirements for Remediation of Contaminated Sites (ARRCS Rule, N.J.A.C. 26:C). The CEA application will be submitted with a Groundwater Remedial Action Permit for natural attenuation as the remedial action for the groundwater impacts related to the UST discharge at the Site, a Groundwater Remedial Action Permit Application will be prepared and submitted