The public records for Aerojet’s Chino Hills facility clean-up activities are kept at:

James S. Thalman Chino Hills Branch Library
14020 City Center Drive
Chino Hills, CA 91709
(909) 590-5380

or

Department of Toxic Substances Control
5796 Corporate Avenue
Cypress, CA 90630-4700
Contact: Ms. Julie Johnson for an appointment
(714) 484-5337