Fonner Northrop Grumman System Corporation East Complex Facility, West of Crenshaw Boulevard Parcel - Interim Measures Work Plan for Chemical Milling Area Groun
Summary
SCH Number
2019090369
Public Agency
California Department of Toxic Substances Control
(DTSC)
Document Title
Fonner Northrop Grumman System Corporation East Complex Facility, West of Crenshaw Boulevard Parcel - Interim Measures Work Plan for Chemical Milling Area Groun
Document Type
NOE - Notice of Exemption
Received
Posted
9/13/2019
Document Description
The Department of Toxic Substances Control (OTSC) pursuant Is proposing the approval of the "Interim Measures Work Plan, Chem Mill Area, Former East Complex, Northrop Grumman Systems Corporation (NGSC Site), Hawthorne, California, dated May 20, 2017 (IM Workplan). This Interim measure (IM) will remedlate volatile organic compounds (VOCs) present in ground water within the Bellflower B-Horizon one ground water aquifer utilizing enhanced In situ bioremedlatlon (EISB) with a biorecirculatlon system beneath Chem Mill Area. The VOCs consist of trichloroethene (TCE), tetrachloroethene (PCE), and 1, 1-dichloroethene [1, 1°DCE, which is a daughter product of 1, 1, 1-trichloroethane (TCA)]. The primary VOC of concern is PCE.
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
One Northrop Avenue
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15330
Reasons for Exemption
Minor Actions Taken to Prevent, Minimize, Stabilize, Mitigate, or Eliminate the Release or Threat of Release of Hazardous Waste or Hazardous Substance.
See NOE for Details.
Attachments
Notice of Exemption
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