Phase I Environmental Site Assessment in Chester, PA

Chester anchors one of Pennsylvania's most heavily industrialized riverfront markets, sitting on the Delaware River between Philadelphia and Wilmington where I-95, US 13, US 322, and PA 291 converge. Property owners, developers, contractors, municipalities, and counsel working across Delaware County and the Delaware Valley rely on focused, locally informed environmental due diligence. Resource Renewal supports these projects through RCC's ASTM E1527-21 Phase I Environmental Site Assessment scope, layered with PA DEP Act 2 Land Recycling support to deliver both federal and Pennsylvania liability protections.

Resource Renewal connects three service tracks under one platform: ASTM E1527-21 Phase I ESAs and PA DEP Act 2 submissions delivered by RCC; Phase II Site Investigations and Remedial Investigations when Recognized Environmental Conditions are identified; and full remediation and brownfield redevelopment delivered with our affiliated platform DSR. Project teams coordinate with the PA DEP Land Recycling Program under Act 2 and pursue site closure through Final Report approval and relief from liability.

Why Property Owners and Developers in Delaware County Choose Resource Renewal

Resource Renewal's headquarters at 10 Lippincott Lane sits inside the Resource Renewal Business Park, a completed brownfield redevelopment project, and a working proof point for the methodology RCC and DSR apply to client sites across Delaware County and the Delaware Valley.

  • ASTM E1527-21 Phase I ESA
  • PA DEP Act 2 submission support
  • Phase II Site Investigation
  • Soil & groundwater investigation
  • PA DEP Act 2 closure pursuit
  • Brownfield redevelopment via DSR
  • Active project work in 5 states
  • 30+ years of regional project history

Environmental Context in Chester and Delaware County

Industrial and Commercial Heritage

Chester was incorporated in 1682 and is the oldest city in Pennsylvania, serving as the seat of Delaware County until 1851. Its waterfront became one of the heaviest concentrations of heavy industry on the Delaware River: Sun Shipbuilding and Drydock, the largest single shipyard in the world during World War II, the John Roach yard that later became Ford's Chester Assembly plant, Scott Paper, Congoleum-Nairn, Wetherill Steel, Belmont Iron Works, American Steel Foundries, and Crown Smelting. That layered industrial history drives Phase I ESA recommendations today, with former foundries, plating shops, fuel terminals, rail sidings, gas stations, and dry cleaners distributed through the waterfront district and along the US 13 and PA 291 corridors.

Current Environmental Profile

PA DEP Land Recycling Program and storage tank records show active and closed cleanup sites distributed across Chester and Delaware County. Common contaminants in this corridor include petroleum hydrocarbons (TPH, BTEX) from former service stations, fuel terminals, and underground storage tanks, chlorinated solvents (PCE, TCE) from metal finishing and dry cleaning operations, and heavy metals — lead, arsenic, chromium — plus PCBs associated with shipbuilding, foundry, and electrical equipment work. Historic urban fill, foundry sand, and slag are routine findings on waterfront parcels. Soil vapor intrusion is a standard evaluation during residential and mixed-use conversion of former industrial land, and PFAS investigation is now common scope near plating shops and firefighting training areas.

Real Estate and Development Market

Delaware County sits at the center of the Philadelphia metropolitan area, and Chester has been the focus of sustained public and private reinvestment: Subaru Park, home of the Philadelphia Union, opened on the waterfront in 2010, Harrah's Philadelphia opened its racetrack and casino in 2006 and 2007, and The Wharf at Rivertown converted the 1918 Chester Waterside Station generating plant into office and recreational space. Keystone Opportunity Zone designations continue to draw industrial and logistics interest along PA 291 and the Port of Chester. Each of those conversions moves through Phase I ESA review, with transaction volume extending into Eddystone, Ridley, Trainer, Marcus Hook, Upland, and Brookhaven.

Local Regulators, Authorities, and Stakeholders

The PA DEP Southeast Regional Office at 2 East Main Street in Norristown provides Land Recycling and storage tank oversight for Delaware County. Routine touchpoints during Phase II and remedial action work include the Delaware County Conservation District in Media for erosion and sediment control approvals, Delaware County planning and economic development offices, the City of Chester planning and zoning staff, and DELCORA, the regional wastewater authority headquartered at 100 East Fifth Street in Chester. Sites near Chester Creek, Ridley Creek, or the tidal Delaware River frontage often require coordination on Chapter 105 water obstruction and encroachment permitting and floodplain review alongside the remediation scope.

Why This Local Context Matters for Your Project

Local industrial history, the current contaminant profile, regulator office assignments, and real estate transaction velocity all feed directly into Phase I scoping decisions and downstream remediation planning. Three decades of project work across South Jersey and the Delaware Valley mean RCC crews already know the regional regulators, the typical AOC profiles encountered in this corridor, and the surrounding parcels that recur in historical use research. That institutional familiarity shortens timelines and sharpens the recommendations delivered in each report.

Environmental Services Available to Chester, PA Projects

Service availability spans two connected tracks: Investigation & Compliance, including transactions, financing, and regulatory closure documentation, and Remediation & Redevelopment, including physical cleanup, environmental liability transfer, and conversion of impaired real estate. RCC and DSR jointly cover the full project lifecycle from pre-acquisition due diligence through final regulatory closure and redevelopment.

RCC investigation track Compliance DSR redevelopment track

How Resource Renewal Serves Chester, PA

Investigation & Compliance (RCC Track)

The ASTM E1527-21 Phase I ESA scope covers site reconnaissance, historical land use review, regulatory database searches, agency file reviews, and key personnel interviews. RCC layers the federal ASTM scope with Pennsylvania Act 2 documentation so projects carry both federal CERCLA protections and a path to state liability relief under the Land Recycling Program. When Recognized Environmental Conditions or Areas of Concern are identified, RCC moves directly into Phase II Site Investigation and, where warranted, Remedial Investigation — coordinating sampling plans, certified laboratory analysis, and data evaluation against the applicable Statewide Health, Site-Specific, or Background standards. Documentation is built for PA DEP review and Final Report approval.

Remediation & Redevelopment (DSR-Affiliated Track)

Remediation capabilities include in-situ chemical oxidation, bioremediation, soil vapor extraction, ex-situ excavation and disposal, groundwater pump-and-treat systems, permeable reactive barriers, sub-slab depressurization, and long-term operations, maintenance, and monitoring (OM&M). For owners exiting impaired property, the DSR platform provides brownfield acquisition, environmental liability transfer, and full redevelopment, applied across more than 100 brownfield sites in NJ, NY, PA, MA, and OH. The Mount Holly HQ at the Resource Renewal Business Park is itself a representative example of a former brownfield converted into productive operating real estate.

Frequently Asked Questions

Visit Our Mount Holly, NJ HQ or Find Us Near You

The Resource Renewal Business Park

10 Lippincott Lane, Unit 1
Mount Holly, NJ 08060

For ASTM E1527-21 Phase I ESA, Phase II Site Investigation, remediation, regulatory compliance, or brownfield redevelopment support on a Chester, PA project, contact Resource Renewal directly. Project work in Pennsylvania is delivered under the PA DEP Act 2 Land Recycling Program, with field crews mobilizing from our Mount Holly HQ. Call (856) 273-1009 or request a project consultation.

Contact Resource Renewal for Project Support