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John Merrill

John Merrill and Wendy Key to Speak on Navigating PFAS in Environmental Due Diligence

2026-08-13T13:45:05-06:00August 11th, 2026|Tags: , |

John Merrill, PE, and Wendy Key, PG, will present “Navigating PFAS in Environmental Due Diligence” at the Bar Association of San Francisco’s Environmental Law Section Event on Thursday, August 20, 2026, at 12:00 p.m. PT.

Pharmaceuticals in the Environment (PiE)

2026-07-02T07:32:56-06:00March 27th, 2026|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Lead Practitioners Nothing Found

John Merrill and Kirk Craig to Present on PFAS Regulations at SESHA

2026-03-23T13:44:06-06:00April 7th, 2025|Tags: , |

John Merrill, PE, and Kirk Craig, PE, will speak as part of the “PFAS Regulatory Roundtable” at the Semiconductor Environmental Safety and Health Association (SESHA) Annual Symposium from April 14 through 17, 2025, in Tempe, Arizona. They will speak during a two-part session on PFAS regulations on Tuesday, April 15, 2025, at 10:30 a.m. and 11:30 a.m. MT.

Geosyntec Practitioners Publish Article on PFAS Destruction in the Journal, Groundwater Monitoring & Remediation

2026-03-17T16:43:26-06:00December 3rd, 2024|Tags: , , , , , |

Hannah McIntyre, PhD; Tom Wanzek, PhD; Elisabeth Hawley, PE; John Merrill, PE; and Rula Deeb, PhD, BCEEM, PMP, coauthored “Assessing UV/SGM Photocatalytic PFAS Destruction Using a Lines of Evidence Approach” in the November 2024 edition of Groundwater Monitoring & Remediation.

Geosyntec Practitioners Coauthor Paper in the Journal Groundwater Monitoring & Remediation

2026-03-15T10:24:54-06:00June 11th, 2024|Tags: , , , |

Tom Wanzek, PhD, Elisabeth Hawley, PE, John Merrill, PE, and Rula Deeb, PhD, BCEEM, PMP, coauthored “A Multiple Lines of Evidence Approach to Demonstrate Effectiveness of PFAS Remediation Technologies.”

John Merrill and Kirk Craig to Present on PFAS Regulations, Treatment, and Permitting at SESHA Annual Symposium

2026-03-15T10:24:49-06:00April 22nd, 2024|Tags: , |

John Merrill (California) and Kirk Craig, PE (Arizona), will present “PFAS Regulations, Treatment, and Permitting: An Overview and Two Case Studies” at the Semiconductor Environmental Safety and Health Association (SESHA) Annual Symposium on Tuesday, April 23, 2024, at 3:30 p.m. MST. The symposium will take place from April 22 through 25 at the Hilton Resort at the Peak in Phoenix, Arizona.

Geosyntec Practitioners to Present at the Western Groundwater Congress of the Groundwater Resources Association of California

2026-03-15T10:23:55-06:00September 8th, 2022|Tags: , , |

Andy Simons, P.G., Elisabeth Hawley, PE, and John Merrill (California) will present at the 5th Annual Western Groundwater Conference of the Groundwater Resources Association (GRA) of California at the Sacramento Convention Center and Hyatt Regency in Sacramento, California from September 19 through 21, 2022.

John Merrill and Elisabeth Hawley to Present on PFAS Treatment and Mitigation at ECEC22

2026-03-15T10:23:38-06:00April 25th, 2022|Tags: , |

John Merrill and Elisabeth Hawley, PE, (California) will present on per- and polyfluoroalkyl substance (PFAS) treatment and mitigation online at the 2022 Emerging Contaminants in the Environment Conference (ECEC22) on April 27–28, 2022.

Rula Deeb, Elisabeth Hawley, Michael Kavanaugh, and John Merrill Coauthored a Report Entitled “Lines of Evidence to Assess the Effectiveness of PFAS Remedial Technologies” Published by SERDP/ESTCP

2026-03-15T10:23:27-06:00February 16th, 2022|Tags: , , , |

Rula Deeb, Ph.D., BCEEM, PMP; Elisabeth Hawley, P.E; Michael Kavanaugh, Ph.D., PE, BCEE; and John Merrill (California) coauthored a report entitled "Lines of Evidence to Assess the Effectiveness of PFAS Remedial Technologies" published by the Strategic Environmental Research and Development Program (SERDP)/ Environmental Security Technology Certification Program (ESTCP) in December 2021.

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