Former Northrop Grumman Systems Corporation East Complex Facility Plant 1 Interim Measures Work Plan


SCH Number
Lead Agency
Toxic Substances Control, Department of (Department of Toxic Substances Control)
Document Title
Former Northrop Grumman Systems Corporation East Complex Facility Plant 1 Interim Measures Work Plan
Document Type
NOE - Notice of Exemption
Project Applicant
Northrop Grumman Systems Corporation

Document Description
The Department of Toxic Substances Control (DTSC) determined remedial actions were required to address volatile organic compounds (VOCs) present in ground water within the Bellflower B-Horizon perched zone beneath the Former Northrop Grumman System Plant 1. The remediation will consist of enhanced in situ bioremediation (EISB) with a biorecirculation system. The predominant VOCs to be remediated consist of trichloroethene (TCE), tetrachloroethene (PCE), and 1,1 dichloroethene (1, 1-DCE). DTSC approved the lnterim Measures Work Plan, Plant 1 Area Groundwater, Former East Complex Facility, West Parcel, Hawthorne California dated June 19, 2017 for the Northrop Grumman Systems Corporation (NGSC) pursuant to Section 25187 of the Health and Safety Code. See NOE for Details.

Contact Information
Maria Fabella
Department of Toxic Substances Control
9211 Oakdale Avenue
Chatsworth, CA 91311

Phone : (818) 717-6598


Los Angeles
Cross Streets
3901 Jack Northrop Avenue

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
Minor Actions Taken to Prevent, Minimize, Mitigate or Eliminate the Release or Threat of Release of a Hazardous Waste or Hazardous Substance. See NOE for Details.


Notice of Exemption
2019098023_noreply@dtsc   PDF 1148 K

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