Remediation & Brownfields
214 expert articles on remediation & brownfields from Envicon Group's NY and NJ environmental engineers.
New York SEQRA Environmental Justice Rules 2026: What Developers Must Document Early
Effective June 12, 2026, amendments to 6 NYCRR Part 617 changed how New York agencies evaluate environmental justice issues under the State Environmental Quality Review Act, or SEQRA. The change does not mean every project near a disadvantaged community requires an Environmental Impact Statement. It does mean that certain Type I and Unlisted actions must […]
Vapor Intrusion Assessment NYC: E-Designation, Soil Vapor Testing, and Real Estate Closing Risk
A vapor intrusion assessment can determine whether volatile organic compounds in soil or groundwater are migrating into a building. For New York City property transactions, the assessment can also determine whether an acquisition stays on schedule or moves into a longer regulatory and lender review. The issue often appears during Phase I or Phase II […]
NJDEP Dewatering Permit Jersey City: Construction Groundwater Management Before Excavation
A deep excavation in Jersey City, Newark, Hoboken, or elsewhere in Hudson County can encounter groundwater before the foundation work begins. Once that water enters the excavation, the project team must make several decisions quickly: How much water will be pumped? How long will dewatering continue? Where will the […]
NJDEP Historic Fill Guidance 2026: Soil Management, Groundwater Migration, and Development Risk
New Jersey developers and contractors need to treat historic fill as a design and construction issue, not only an environmental report issue. On March 20, 2026, NJDEP announced two new guidance documents addressing historic fill and metals with natural background concentrations. On May 26, 2026, NJDEP issued a follow-up notice addressing fill donor material and […]
NYSDEC Vapor Intrusion Guidance: 2026 Soil Vapor Sampling and Decision Matrix Updates for NYC Sites
For NYC and Lower Hudson Valley property transactions, vapor intrusion is no longer a late-stage technical issue. It can affect acquisition decisions, lender approval, building design, remediation budgets, and closing schedules. The current NYSDEC vapor intrusion guidance 2026 framework remains anchored in the New York State Department of Health’s 2006 Soil Vapor Intrusion Guidance, with […]
NYC E-Designation Removal 2026: EPIC Submissions, Remedial Action Plans, and Certificate of Occupancy
If your development site in Manhattan, Brooklyn, Queens, or the Bronx carries an NYC E-Designation, the requirement is not a footnote in the zoning record. It can control when you receive a building permit, begin certain construction activities, and obtain a temporary or final Certificate of Occupancy. In 2026, developers need a clear path through […]
NYC OER E-Designation Removal for Manhattan and Brooklyn Development Sites: Steps, Records, and Closeout
An NYC OER E-designation can affect your building permit, construction sequence, certificate of occupancy, and real estate closing. It does not disappear simply because remediation is complete or a new building is occupied. The required environmental work must be documented, submitted through the NYC Office of Environmental Remediation’s EPIC Environment system, and certified by OER. […]
NJ Underground Storage Tank Closure Before Property Sale: Newark and Jersey City Compliance Guide
An underground storage tank can delay a New Jersey property sale long after the purchase agreement is signed. Buyers, lenders, attorneys, and regulators typically want more than proof that an old tank was pumped out. They want a documented closure, environmental assessment, sampling results, disposal records, and a clear answer to one question: Does the […]
ASTM E1527-21 Phase I ESA in New York and New Jersey: 180-Day Timing and Lender Approval
A Phase I Environmental Site Assessment can protect a transaction or create a closing problem. The difference usually comes down to timing, scope, documentation, and whether the report answers the lender’s actual questions. For commercial property transactions in New York and New Jersey, ASTM E1527-21 is the current benchmark for Phase I ESAs used to […]
Brownfield Remediation Jersey City and Newark: Environmental Due Diligence for 2026 Acquisitions
A 2026 acquisition in Jersey City, Newark, Hoboken, Bayonne, or another Northern New Jersey industrial corridor cannot rely on a high-level desktop review alone. Historic manufacturing, rail operations, bulk storage, metal finishing, dry cleaning, landfilling, and waterfront filling have left many properties with environmental conditions that affect price, financing, construction, and closing timelines. For buyers, […]
Phase II ESA Cost Jersey City and Newark: Sampling Scope for NJ Commercial Acquisitions
If you’re searching for Phase II ESA cost Jersey City Newark, the first thing to understand is that a responsible scope does not come from a universal price sheet. A Phase II Environmental Site Assessment can involve a few targeted soil borings. It can also require groundwater wells, soil vapor testing, PFAS analysis, traffic control, […]
Environmental Consultant Newark NJ: Coordinating Phase I ESA, LSRP, Asbestos, and Site Engineering
A commercial property in the Ironbound, Downtown Newark, the North Ward, or near the Passaic River may require environmental due diligence, NJDEP coordination, building-material surveys, civil design, and construction oversight before the project is ready to close or build. That is why choosing an environmental […]