General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 48501 USG Corporation Privately-Owned Business 550 West Adams Street Dept. 143-040 Chicago, IL 60661-3676 312-436-4352 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 237755 Former United States Gypsum Company Facility Los Angeles 4 Manufacturing NEC Owner 07/19/1999 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 500925 Lanita Stevens Person Legally Responsible Official 03/03/2009 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 388678 Enrollee - WDR 4 4B198600225 Enrollee - Gen WDR for GW Remediation at Pet Fuel/VOC Sites USG Corp Historical WDRNONMUNIPRCS R4-2007-0019 09/18/2006 11/03/2020 Discharger 01/24/2002 null 131872 WDR 4 4B191407001 WDR R4-2002-0026 for United States Gypsum Co Historical WDRNONMUNIPRCS R4-2002-0026 01/24/2002 03/10/2016 Discharger 01/24/2002 null 131359 Resolution 4 4B191407001 Consideration of a proposed mitigated neg. dec. for a pilot test using chemical Historical WDR 02-002R 01/24/2002 01/25/2002 Discharger 01/24/2002 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 399833 Notice of Violation NOV NOV 02/12/2015 for USG Corporation WDRNONMUNIPRCS 02/12/2015 Active 393510 Notice of Violation NOV NOV 08/12/2013 for USG Corporation WDR 08/12/2013 Active Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status