Mr. Crosby is a Project Manager at SCS Engineers and has 16 years of professional experience in the environmental consulting field. He successfully manages complex environmental site assessments (ESAs), subsurface investigations, and remediation and construction projects to navigate regulatory requirements and meet client objectives. He has experience investigating and remediating properties that have impacted soil and groundwater by a variety of constituents of concern, including total petroleum hydrocarbons, chlorinated solvents, volatile organic compounds (VOCs), pesticides, lead and other heavy metals, and PFAS.
He routinely prepares technical environmental documents clearly describing environmental conditions to meet regulatory agency compliance. These documents include Work Plans, property mitigation plans, soil management plans (SMPs), corrective action plans (CAPs), remedial action plans (RAPs), ESA reports, groundwater monitoring reports, health risk assessments (HRAs), and property closure reports. He has experience managing groundwater monitoring programs, drilling operations (vertical and horizontal), remediation, and construction oversight. He has implemented remedial action Work Plans that include source zone excavation, dual-phase extraction (DPE), soil vapor extraction (SVE), in-situ chemical oxidation, bio-augmentation, and air sparging techniques. He has provided construction quality assurance (CQA) at landfill facilities, routinely manages Brownfield redevelopment excavation and grading projects, and has worked to assess and remediate releases at various military bases and airports.