100-25 Exhibit A-RES 350-23 RI.pdf

ASSOCIATES, Mr. John Gross April 14, 2023 Township Business Administrator/CFO Page 3 of 8 Re: Department of Public Works at 25 Lakeside Avenue — Remedial Investigation SCOPE OF SERVICES The following proposed Scope of Services is based on the findings of the investigations (SI sampling results and additional soil and groundwater investigation), as well as the NJDEP requirements set forth in the Administrative Requirements for the Remediation of Contaminated Sites (ARRCS) (N.J.A.C. 7:26C), Underground Storage Tanks (UST Rules) (N.J.A.C. 7:14B), the Technical Requirements for Site Remediation (TRSR) (N.LA.C. 7:26E) and applicable NJDEP guidance documents. TASK 1: SOLL DELINEATION - SOL BORINGS AND SAMPLING CME will retain the services of a qualified drilling contractor (Geoprobe operator) to perform direct-push soil borings and advance borings in all the impacted AOCs at.the Site where additional investigation for soil and groundwater as recommended in the SI, The additional sampling is required to complete the horizontal and vertical delineation of soils impacts at the Site and collect additional information to support development of a remedial action design. Encountered soils will be screened for the presence of volatile organic compounds (VOCs) using a calibrated photoionization detector (PID), assessed for visual and olfactory indications of contamination, and logged by CME personnel. In order to complete the delineation of the horizontal and vertical extents of soil contamination identified at the Site, soil samples will be collected at appropriate locations and intervals proximate to previous samples and will be submitted for appropriate analytical parameters based on the contaminants previously identified at each location/AOC. Final boring/sample locations will be determined in the field and will be surveyed using handheld GPS equipment. The additional sampling will be conducted at the following Impacted AOCs: - AOC-LF Edison - Two (2) former oil tank ASTs at East Storage Area - AOC-5G Former Edison Coal Pile at Exterior East Storage Yard - AOC-10A Oil/Water Separator at Exterior West Side of Repair Garage - AOC-I1A Historic Fill Area depicted at Location of Former Rai! Line and AOC-11B - Historic Fill - Miscellaneous Subsurface Fill and Building Debris throughout Site - AOC-I5B - Staining at Exterior Truck Park, South of Storage Garage -

at Location of Former Rai! Line and AOC-11B - Historic Fill - Miscellaneous Subsurface Fill and Building Debris throughout Site - AOC-I5B - Staining at Exterior Truck Park, South of Storage Garage - AOC-18B - Former Edison: Concrete Coal Trestle (Rail Siding)