General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 46428 Northrop Grumman Systems Corporation Privately-Owned Business 2980 Fairview Park Drive Falls Church, VA 22042-4511 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 647028 Canoga Park Site (Former Landowners Ltd Partnership Property) Los Angeles 4 Service/Commercial Site, NEC Responsibility For 06/02/2010 null 266640 Former TRW Benchmark Facility Los Angeles 4 Manufacturing NEC None null null 243245 Monadnock Facility Los Angeles 4 Facility Owner 03/10/1997 null 231379 Northrop Grumman - Hawthorne Site (Formerly TRW Inc) Los Angeles 4 Manufacturing NEC Owner 03/28/1995 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 568963 James L'Esperance Person Legally Responsible Official 10/18/2017 null null 547341 Crystal Chang Person Data Submitter 06/30/2014 null null 546698 Norimitsu Takayoshi Person Data Submitter 06/02/2014 null null 539135 Bryan Shieh Person Data Submitter 05/09/2013 null null 539135 Bryan Shieh Person Data Submitter 03/13/2013 null null 538283 Joseph Kwan Person Legally Responsible Official 07/16/2007 null null 537542 Matthew Nelson Person Data Submitter 11/05/2012 04/19/2016 null 322028 Joel Blair Person Data Submitter 06/10/2006 null null 141646 Tom Wright Person Employee 02/02/2016 null null 119630 Mathew Carfagno Person Facility Contact 03/28/1995 null null 97010 Chris Coltey Person Facility Contact 08/06/1996 null null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 393802 NPDES Permit 4 4B192557002 NPDES R4-2013-0169 for Northrop Grumman Systems Corporation Historical NPDNONMUNIPRCS R4-2013-0169 12/07/2013 02/02/2017 Discharger 11/04/2013 null 328234 NPDES Permit 4 4B192557002 NPDES Permit R4-2007-0029 for Northrop Grumman Systems Corporation Historical NPDNONMUNIPRCS R4-2007-0029 07/27/2007 12/06/2013 Discharger 12/13/2001 null 320766 Enrollee - WDR 4 4B198601039 Enrollee - WDR for Northrop Grumman Historical WDRNONMUNIPRCS R4-2014-0187 01/17/2007 04/26/2017 Discharger 06/02/2010 null 307751 NPDES Permit 4 4B192557002 NPDES 01-177 for TRW INC. Historical NPDESWW 01-177 12/23/2001 07/26/2007 Discharger 12/13/2001 null 193373 Enrollee 4 4B196000343 Enrollee - TRW Inc., Monadnock Historical NPDNONMUNIPRCS 97-045 09/22/1997 03/05/2004 Discharger 09/01/2005 null 136767 NPDES Permit 4 4B192557004 NPDES 97-057 for NORTHROP GRUMMAN S & MSC Historical NPDESWW 97-057 05/12/1997 12/12/2004 Discharger 05/12/1997 null 136066 NPDES Permit 4 4B192557002 NPDES 96-060 for TRW INC. Historical NPDESWW 96-060 08/19/1996 12/12/2001 Discharger 08/19/1996 null 133486 NPDES Permit 4 4B192557004 NPDES R4-2004-0169 for Northrop Grumman Systems Corporation Historical NPDNONMUNIPRCS R4-2004-0169 01/12/2005 05/13/2021 Discharger 12/13/2004 null Violations within the past calendar year Violation ID Occurrence Date Violation Type Violation Description Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked To Enf. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 357942 Admin Civil Liability SWB-2008-4-0088 Expedited Payment Letter for TRW Inc. NPDESWW 09/30/2009 Historical 253742 Notice of Violation NOV NOV sent 5/18/04 for overdue 1Q04 DMR. NPDESWW 05/18/2004 Historical 411415 Admin Civil Liability R4-2017-0007 ACL R4-2017-0007 for Northrop Grumman Systems Corporation NPDNONMUNIPRCS 05/19/2017 Historical 219753 Clean-up and Abatement Order CAO Enforcement - 4B192557N01 UNREGS 09/29/1989 Historical 226001 Clean-up and Abatement Order UNKNOWN Enforcement - 4WIP1050181 WIP 09/01/2005 Historical 375934 Admin Civil Liability R4-2010-0155-M EPL No. R4-2010-0155-M 09/09/2010 for Northrop Grumman NPDESWW 09/09/2010 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 431175 James L'Esperance Enrollee - NPDES NPDNONMUNIPRCS 01/31/2020 Active