Westchester County Westchestercounty #43011

Hydrogeologic Sampling and Reporting Services for Sprout Brook Landfill

Westchester County is seeking hydrogeologic monitoring and reporting services for Sprout Brook Landfill in Cortlandt Manor, New York. - Government buyer: County of Westchester, through the Department of Environmental Facilities. - Procurement: Professional consulting services; no OEMs, products, or contractor vendors are named. - Quarterly field sampling: Up to 22 groundwater monitoring wells, 2 surface-water locations, and 2 sediment locations. During the second and fourth quarterly events each year, collect groundwater at 3 locations beneath Sprout Brook. - Field and sample handling: Provide two technicians/scientists and equipment; record pH, temperature, conductivity, oxidation-reduction potential (ORP), and turbidity; obtain and label County laboratory bottles, complete chain-of-custody forms, and return samples to the laboratory. Attend landfill staff’s quarterly leachate sampling to record field parameters. - Optional work: Sample leachate for emerging contaminants if required by NYSDEC rulemaking; applicable frequency will depend on regulatory requirements. - Reporting: Prepare location-specific field data sheets and event memos, notify NYSDEC about detected expanded parameters before report submission, and provide quarterly and annual reports that assess results and standards, identify trends, summarize findings, and recommend future sampling. Deliver one hard copy and four electronic copies on CD or external drive. - Requirements: Work must comply with applicable NYSDEC and Part 360 requirements. Proposals must include at least three references for hydrogeological landfill services and event-based pricing, including pricing for possible extensions.

Description

Westchester County seeks proposals for hydrogeologic sampling and reporting services at Sprout Brook Landfill in Cortlandt Manor, New York. Work includes quarterly groundwater, surface water, and sediment sampling, field measurements, and preparation of sampling data sheets and reports. Optional sampling for emerging contaminants in leachate may also be required. Services are to comply with applicable New York State Department of Environmental Conservation and Part 360 requirements.

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