Former Northrop Grumman Systems Corporation East Complex Facility Plant 1 Interim Measures Work Plan
Summary
SCH Number
2019098023
Public Agency
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
Received
Posted
9/13/2019
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
Name
Maria Fabella
Agency Name
Department of Toxic Substances Control
Contact Types
Lead/Public Agency
Phone
Name
Agency Name
Northrop Grumman Systems Corporation
Contact Types
Project Applicant
Location
Cities
Hawthorne
Counties
Los Angeles
Cross Streets
3901 Jack Northrop Avenue
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15330
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.
Attachments
Notice of Exemption
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