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
Lead Agency
Toxic Substances Control, Department of (Department of Toxic Substances Control)
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
Project Applicant
Northrop Grumman Systems Corporation

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

Phone : (818) 717-6598

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
2019090369   PDF 478 K

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