Noted as well-versed in environmental law and commended for her negotiation skills in the Chambers USA Guide to America’s Leading Lawyers for Business, Ms. Peticolas primarily represents clients in Superfund and Spill Act litigation, as well as in companion personal injury and property damage matters. Currently, she represents a number of companies in the massive Lower Passaic River Study, one of the largest contaminated sediment sites in the country.

In addition to litigating, she counsels clients on general regulatory compliance questions, including issues relating to Resource Conservation and Recovery Act of 1976 (RCRA), Industrial Site Recovery Act (ISRA), Occupational Safety and Health Administration (OSHA), and the New Jersey Site Remediation Reform Act. Matters she has handled include:

  • Representation of companies in the multi-party regulatory investigation of the Passaic River pursuant to an Administrative Order on Consent
  • Counsel to a paint company on a challenge to a National Priorities Listing on grounds of improper aggregation of sites
  • Counsel to Potentially Responsible Parties in federal court CERCLA litigation
  • Counsel to a detinning company in private party CERCLA/RCRA litigation

Ms. Peticolas is listed in the Chambers USA Guide to America's Leading Lawyers for Business for Environmental Law and in Best Lawyers® for Environmental Law and Environmental Litigation, as well as New Jersey Super Lawyers. She is AV Preeminent® rated by Martindale-Hubbell. A Master of the Justice Stewart G. Pollock Environmental American Inn of Court, she is a frequent writer and speaker on environmental topics, and she edits the firm's Real Property and Environmental Law Alert blog.


  • Rutgers School of Law - Newark (J.D., high honors)
    • Rutgers Law Review, Member 1978-1979 and Managing Editor 1979-1980
  • Barnard College (B.A., cum laude)

Professional Activities

Justice Stewart G. Pollock Environmental American Inn of Court
Master of the Inn, 2005-2006, 2010-2011

New Jersey State Bar Association
Co-Chair, Superfund Committee of Environmental Section

New Jersey Governor's Trade Mission
Delegate to the Far East, May 2000

American Bar Association

American Immigration Lawyers Association

Gibbons Real Property & Environmental Law Alert blog
Co-Editor (www.rpelawalert.com)

Civic / Charitable Activities

Middlesex County Workforce Investment Board
Chair, Barriers to Work Committee, 2004-present

Urban League of Essex County
Human Resources Advisory Committee, 2008
Trustee, 1996-2005

Borough of Highland Park Rent Leveling Board
Board Attorney, 1983-1985

Professional Admissions

  • State of New Jersey
  • State of New York
  • District of Columbia
  • United States District Court for the District of New Jersey
  • United States Court of Appeals for the Third Circuit
  • United States Court of Appeals for the District of Columbia Circuit

Judicial Clerkship(s)

Law Secretary to the Honorable Harold A. Ackerman, U.S. District Judge, District of New Jersey, 1980-1982

Publications & Features


Listed in Chambers USA Guide to America's Leading Lawyers for Business, Environment

Listed in Best Lawyers®, Environmental; Litigation - Environmental

Selected to the New Jersey Super Lawyers list, Environmental

AV® Peer Review Rated by Martindale-Hubbell

Selected to the Morris/Essex Health & Life magazine's "Essex County Top Lawyers" list, Land Use and Environment, 2018

Human Rights First Pro Bono Star Award recipient for excellence in legal advocacy, 2014

NJBIZ, New Jersey’s Best 50 Women in Business, 2009

Master of the Inn, Justice Stewart G. Pollock Environmental American Inn of Court, 2005-2014

Rutgers University, Center for Women and Work, Tenth Anniversary Celebration Honoree, November 12, 2003
No aspect of this advertisement has been approved by the Supreme Court of New Jersey. A description of the selection process methodology for the awards referenced is available at gibbonslaw.com/awards/.

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