Envicon Group

PFAS & Emerging Contaminants

36 expert articles on pfas & emerging contaminants from Envicon Group's NY and NJ environmental engineers.

NJDEP Now Defaults to PFAS and Dioxin Testing: The 7:26E-2.1(c)1ii Mandate Every LSRP Must Follow
Regulatory Updates

NJDEP Now Defaults to PFAS and Dioxin Testing: The 7:26E-2.1(c)1ii Mandate Every LSRP Must Follow

Published August 31, 2026 at 2:00 PM ET On June 15, 2026, the New Jersey Department of Environmental Protection adopted final remediation standards for PFNA, PFOA, PFOS, and GenX. NJDEP also amended the Technical Requirements for Site Remediation at N.J.A.C. 7:26E-2.1(c)1ii. The result is a new baseline for many New Jersey site investigations. When contaminants […]

September 12, 20269 min read
EPA PFOA/PFOS CERCLA Designation Upheld: What the August 2026 Ruling Means for NY and NJ Site Owners
PFAS & Emerging Contaminants

EPA PFOA/PFOS CERCLA Designation Upheld: What the August 2026 Ruling Means for NY and NJ Site Owners

On August 18, 2026, the U.S. Court of Appeals for the D.C. Circuit unanimously upheld EPA’s designation of PFOA and PFOS as hazardous substances under CERCLA. The ruling leaves the federal framework in place for cleanup orders, cost recovery, contribution claims, and release reporting. It also increases the importance of PFAS screening in New York […]

September 10, 20269 min read
EPA’s PFAS Drinking Water Compliance Extension: How the 2031 Option Affects NY and NJ Water Systems
Regulatory Updates

EPA’s PFAS Drinking Water Compliance Extension: How the 2031 Option Affects NY and NJ Water Systems

As of August 2026, the federal PFAS compliance picture has two important dates: April 26, 2029, and a possible extension to April 26, 2031. The EPA’s May 2026 proposal would allow eligible public water systems to request two additional years to comply with the federal 4.0 parts per trillion, or ppt, Maximum Contaminant Levels for […]

September 7, 202610 min read
NJDEP PFAS Final Rule: New Standards Changing NJ Site Cleanup
Remediation & Brownfields

NJDEP PFAS Final Rule: New Standards Changing NJ Site Cleanup

Published August 17, 2026, at 2:00 PM ET On June 15, 2026, the New Jersey Department of Environmental Protection (NJDEP) adopted final remediation standards for four widely monitored PFAS compounds: PFNA, PFOA, PFOS, and GenX. The rule does more than add another table to a regulatory manual. It converts interim criteria into enforceable requirements under: […]

September 2, 20268 min read
PFAS in Biosolids: New NY/NJ Rules Reshaping Land Application
Regulatory Updates

PFAS in Biosolids: New NY/NJ Rules Reshaping Land Application

As of August 2026, PFAS in biosolids is no longer a future compliance issue for New York and New Jersey wastewater operators, agricultural users, municipalities, and environmental counsel. It is an active sampling, reporting, and land-management issue. The regulatory picture is not identical in both states: New York has interim PFAS thresholds that can restrict […]

August 31, 20268 min read
PFAS Remediation Costs in NY & NJ: What GAC, IX, and Foam Fractionation Actually Run
Remediation & Brownfields

PFAS Remediation Costs in NY & NJ: What GAC, IX, and Foam Fractionation Actually Run

PFAS remediation cost is never a single number. Anyone giving you a fixed price before reviewing the water chemistry, flow rate, PFAS profile, and treatment endpoint is guessing. For developers, investors, and municipal or utility managers in New York and New Jersey, that guess can become an expensive surprise. A treatment system that looks reasonable […]

August 27, 20268 min read
NJDEP Formally Adopts PFAS Site Remediation Standards: Numerical Cleanup Levels for PFOA, PFOS, PFNA, and GenX
Remediation & Brownfields

NJDEP Formally Adopts PFAS Site Remediation Standards: Numerical Cleanup Levels for PFOA, PFOS, PFNA, and GenX

On June 15, 2026, the landscape of New Jersey real estate development and environmental compliance shifted fundamentally. The New Jersey Department of Environmental Protection (NJDEP) formally adopted final enforceable site remediation standards for four prominent per- and polyfluoroalkyl substances (PFAS): PFNA, PFOA, PFOS, and GenX (HFPO-DA). What was previously a murky world of interim criteria […]

August 26, 20266 min read
NJDEP Formally Adopts PFAS Site Remediation Standards: Numerical Cleanup Levels for PFOA, PFOS, PFNA, and GenX
Remediation & Brownfields

NJDEP Formally Adopts PFAS Site Remediation Standards: Numerical Cleanup Levels for PFOA, PFOS, PFNA, and GenX

On June 15, 2026, the landscape of New Jersey real estate development and environmental compliance shifted fundamentally. The New Jersey Department of Environmental Protection (NJDEP) formally adopted final enforceable site remediation standards for four prominent per- and polyfluoroalkyl substances (PFAS): PFNA, PFOA, PFOS, and GenX (HFPO-DA). What was previously a murky world of interim criteria […]

August 25, 20266 min read
NYSDEC Part 375 Soil Cleanup Objectives: Where PFAS Rulemaking Stands in 2026
Regulatory Updates

NYSDEC Part 375 Soil Cleanup Objectives: Where PFAS Rulemaking Stands in 2026

For over five years, New York’s remediation community has been operating in a state of "regulatory limbo" regarding Per- and Polyfluoroalkyl Substances (PFAS). We’ve navigated a thicket of interim guidance documents, draft policies, and sampling protocols, all while waiting for the New York State Department of Environmental Conservation (NYSDEC) to codify formal Soil Cleanup Objectives […]

August 25, 20267 min read
NJDEP Finalizes PFAS Remediation Standards: What LSRPs and Site Owners Need to Know
Regulatory Updates

NJDEP Finalizes PFAS Remediation Standards: What LSRPs and Site Owners Need to Know

On June 15, 2026, the New Jersey Department of Environmental Protection (NJDEP) officially adopted final, enforceable remediation standards for per- and polyfluoroalkyl substances (PFAS) under N.J.A.C. 7:26D, alongside critical amendments to N.J.A.C. 7:9C (Ground Water Quality Standards) and N.J.A.C. 7:26E (Technical Requirements for Site Remediation). For years, Licensed Site Remediation Professionals (LSRPs), property owners, and […]

August 21, 20266 min read
NYSDEC Proposes Landmark Landfill Leachate PFAS Pretreatment Rules (Part 360/363)
Regulatory Updates

NYSDEC Proposes Landmark Landfill Leachate PFAS Pretreatment Rules (Part 360/363)

On July 1, 2026, the New York State Department of Environmental Conservation (NYSDEC) published a sweeping Notice of Proposed Rulemaking in the State Register that fundamentally alters how solid waste management facilities handle leachate. Targeting 6 NYCRR Parts 360 and 363, the proposed amendments establish first-in-nation pretreatment standards specifically designed to eliminate per- and polyfluoroalkyl […]

August 18, 20266 min read
NYSDEC Proposes Landmark Landfill Leachate Treatment Rules: PFAS and 1,4-Dioxane in the Crosshairs
PFAS & Emerging Contaminants

NYSDEC Proposes Landmark Landfill Leachate Treatment Rules: PFAS and 1,4-Dioxane in the Crosshairs

On July 1, 2026, the New York State Department of Environmental Conservation (NYSDEC) signaled a seismic shift in waste management policy. The department officially proposed landmark amendments to 6 NYCRR Parts 360 and 363, targeting the systematic treatment of emerging contaminants in landfill leachate. For active Municipal Solid Waste (MSW) and Construction and Demolition (C&D) […]

August 16, 20265 min read