If you resided in Greenfield Mobile Estates, Starlight Mobile Home Park, or Villa Cajon Mobile Home Estates in El Cajon, California for one or more calendar years from January 1, 1963 through April 14, 2020, or currently own a mobile home in one of those parks, you may qualify for benefits from this class action Settlement.

A settlement has been reached in a class action lawsuit about claims of exposure to toxic contamination from waste materials stored below ground at the Former Ametek Facility (located at 790 Greenfield Avenue, El Cajon, California). Generally, you are included in the Settlement if you (1) resided in Greenfield Mobile Estates, Starlight Mobile Home Park, or Villa Cajon Mobile Home Estates mobile home park in El Cajon, California for one or more calendar years from January 1, 1963 through April 14, 2020, or (2) you own a mobile home coach as of April 14, 2020 in one of the Mobile Home Parks.

The Settlement includes every person who resided in the following mobile home parks for one or more calendar years from January 1, 1963 through April 14, 2020 or if they own a mobile home coach as of April 14. 2020 in one of the following mobile home parks:

  • Greenfield Mobile Estates, 400 Greenfield Dr., El Cajon, CA 92021
  • Starlight Mobile Home Park, 351 E Bradley Ave., El Cajon, CA 92021
  • Villa Cajon Mobile Home Estates, 255 E Bradley Ave., El Cajon, CA 92021

The Settlement Class does not include any individual who has independently settled or resolved any claims related to exposure to contaminants emanating from the Former Ametek Facility with any Defendant in the litigation, and specifically including any person who has settled or resolved claims directly with Ametek, Inc., Thomas Deeney, Senior Operations LLC, and or any of Defendants’ or any of Third-Party Defendants’ present, former, and future parents, subsidiaries, divisions, affiliates, stockholders, benefit plans, officers, directors, employees, joint ventures, members, domestic and foreign corporations, attorneys, insurers, agents and any of their legal representatives, and the predecessors, heirs, executors, administrators, successors, and assigns of the same.

Your legal rights are affected whether you act or don’t act.


Your Legal Rights and Options in This Settlement
Receive Medical Consultation

The deadline to file a claim to receive any medical consultation benefits has passed.
Receive Remediation/Mitigation Benefits

To make a claim against the Settlement Fund and to receive any Remediation/Mitigation benefits from the Settlement, Class Members are required to submit a Claim Form. To submit a Claim Form, you must follow the instructions on the Claim Form and in FAQ 12.

If the Court approves the Settlement and it becomes final and effective, you remain in the Settlement Class, and you filed a timely Claim Form, you are eligible to receive the benefits.
Exclude Yourself from the Settlement Receive no benefit from the Settlement. This is the only option that allows you to retain your right to bring any other lawsuit against Ametek about the claims in this case.
Object Write to the Court if you do not like the terms of the Settlement.
Go to a Hearing Ask to speak in Court about the fairness of the Settlement.
Do Nothing You will not receive any benefits from the Settlement and will give up your right to bring your own lawsuit against Ametek about the claims in this case.

These rights and options—and the deadlines to exercise them—are explained further on the FAQ page of this website.


Current Status

On December 15, 2020, the Court granted Final Approval of the Settlement and the claims review process is on-going.


Important Dates
  • January 1, 1963 - April 14, 2020
    Class Period
  • July 25, 2020
    Deadline to Exclude Yourself from the Settlement
  • July 25, 2020
    Deadline to Object to the Settlement
  • October 26, 2020, at 2:00 p.m.
    Final Fairness Hearing
  • December 15, 2021
    Deadline to Submit Claim For Remediation/Mitigation Benefits
  • December 15, 2022
    Deadline to Submit Claim For Medical Consultation Benefits