Pat has over 20 years of experience in soil and groundwater remediation and environmental compliance, including the design, construction, and operation and maintenance (O&M) of treatment, containment, and mitigation systems for environmental remediation projects throughout the US. He has led the preparation of feasibility studies, cleanup action plans, engineering design reports, and managed construction sites. He has aided clients in negotiations with regulators and third-party groups. He has hands-on experience in multiple industries, including hazardous waste management, recycling, lumber manufacturing, terminal, and intermodal transport facilities, aerospace facilities, food processing/manufacturing, plastics manufacturing, fuel cell research and development (R&D), and hydrogen storage R&D.
Technical Specialties
- Soil and groundwater remediation * In-situ (Bioremediation, Chemical oxidation/reduction, PRBs, containment, etc.) * Ex-situ (Soil vapor extraction, groundwater pump and treatment, water treatment, etc.)
- NPDES (wastewater and stormwater) permitting and treatment
- Environmental compliance, (Stormwater, Spill Planning, Hazardous and Universal Waste, Air Emissions, Ash/Fertilizer Management)
- Process control, including programmable logic controller (PLC) programming and data acquisition/recording.
Education
- M.S. Chemical Engineering, University of Rochester
- B.S. Chemical Engineering, University of Rochester, cum laude
Registration/Certifications
- Registered Professional Engineer – WA (45361), OR (80809), AK (116003), NV (024277)
- HAZWOPER Certification
- TWIC Certified
Speaking Engagements
Presenter, “So Many PFAS Regulations, So Much Confusion: Practical Considerations Balancing Federal and State Oversight”, Battelle Conference on Remediation of Chlorinated and Recalcitrant Compounds, Fort Worth Texas, June 2026.
Presenter, “How MTCA Incorporates Environmental, Social, and Governance Considerations for Remediation Sites in Washington State”, Battelle Conference on Remediation of Chlorinated and Recalcitrant Compounds, Fort Worth Texas, June 2026.
Speaker, “So Many PFAS Regulations So Much Confusion- Practical Considerations for Facilities in Washington ”, Battelle Conference on Remediation of Chlorinated and Recalcitrant Compounds, Denver Colorado, June 2024.
Presenter, “The Impacts of Source Control and Stormwater Regulations on Sediment Concentrations in Washington State”, Battelle Conference on the Remediation and Management of Contaminated Sediments, Austin Texas , January 2023.
Presenter, “A Comparison of In-Situ Bioremediation Substrates (HFCS and EVO) for use in a Heterogeneous Aquifer”, Battelle Conference on Remediation of Chlorinated and Recalcitrant Compounds, Palm Springs, May 2022.
Presenter, “Adapting Treatment to Optimize Capture of a Hexavalent Chromium Plume in Perched Aquifer with a Discontinuous Silt Layer”, Battelle Conference on Remediation of Chlorinated and Recalcitrant Compounds, Palm Springs, May 2022.
Speaker and Co-organizer, “A Permit Holder’s Guide to Washington’s New Industrial Stormwater General Permit”, Industrial Stormwater Seminar at Perkins Coie, March 2020.
Speaker, “Lessons Learned: In Situ Bioremediation in a Heterogeneous Aquifer using Recirculation Wells Inside Hydraulic Containment ”, Battelle International Symposium on Bioremediation and Sustainable Environmental Technologies, April 2018
Speaker, “In Situ Remediation of a 1,4-Dioxane Plume in a Heterogeneous Aquifer, Pilot Study ISB with Bioaugmentation ”, Battelle International Symposium on Bioremediation and Sustainable Environmental Technologies, April 2018
Speaker, “Washington Industrial Stormwater Regulatory Overlap: Lessons Learned ”, StormCon, August 2016
Speaker, “Incorporating Sustainability to Develop, Advance, and Improve Remediation Technologies”, Chlor-Con Session Chair, May 2016
Speaker and Co-organizer, “A Permit Holder’s Guide to Stormwater Regulation”, Industrial Stormwater Seminar at Perkins Coie, February 2016 & Fall 2014.
Speaker, “Lessons Learned: Electrocoagulation Treatment of Dredge Return Water to Acute and Chronic Water Quality Criteria for Dissolved Metals, Total PCBs, pH, and Turbidity ”, WEDA 2015 Dredging Summit, June 2016
Speaker, “Design, Construction, and Monitoring of a Field-Scale Discontinuous Permeable Reactive Barrier for Chromium Removal ”, Contaminated Site Management, 11/2014, Battelle Chlor-Con Platform Presentation, May 2014