General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 48637 United Rock Products Corp. Privately-Owned Business 1245 East Arrow Highway Irwindale, CA 91706 626-358-4558 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 820992 Olive Pit Inert Landfill Los Angeles 4 Land fill Owner and Operator 01/14/2016 null 269739 United Rock Products Pit No. 3 Los Angeles 4 Land fill Owner 04/12/1973 null 269738 United Rock Products Pit No. 2 Los Angeles 4 Land fill Owner and Operator 08/01/2011 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 531037 Ken Barker Person Legally Responsible Official 01/05/2012 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 404306 WDR 4 4B190319007 WDR R4-2016-0277 for United Rock Products Corp. Active LFOPER R4-2016-0277 07/14/2016 null Discharger 01/14/2016 null 380644 WDR 4 4B190319006 WDR R4-2011-0179 (CI 8799) for United Rock Products Corp Active LFOPER R4-2011-0179 11/10/2011 null Discharger 08/05/2004 null 148462 WDR 4 4B190319003 WDR 01-131 (CI 5801) for United Rock Products Corp. Active LFOPER 01-131 09/19/2001 null Discharger 09/19/2001 null 133173 WDR 4 4B190319003 WDR 73-032 for UNITED ROCK PRODUCTS CORP. Historical LNDISP 73-032 04/12/1973 09/19/2001 Discharger 04/12/1973 null 132683 WDR 4 4B190319006 WDR R4-2004-0118 (CI 8799) for United Rock Products Corp Historical LNDISP R4-2004-0118 08/13/2004 11/09/2011 Discharger 08/05/2004 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 228621 Oral Communication Staff phoned discharger Board staff phoned discharger 12/21/00 about noncompliance with WDRs. LFNONOPER 12/21/2000 Historical 228620 Notice of Violation NOV NOV sent 1/29/01 for noncompliance with WDRs. LFNONOPER 01/29/2001 Historical 228253 Staff Enforcement Letter Notice of Noncompliance Notice of Noncompliance sent 12/26/00 for 9 overdue DMRs. LFNONOPER 12/26/2000 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status