General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 531005 Cemex Inc Privately-Owned Business 3990 Concours Street 200 Ontario, CA 91764-7971 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 765611 Rho-Chem Los Angeles 4 Manufacturing NEC Operator 01/04/2012 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 94804 Brian Mastin Person Legally Responsible Official 01/04/2012 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 382712 Resolution 4 4B191522001 Resolution R11-012 for CEMEX, Inc. Historical WDR R11-012 12/08/2011 12/09/2011 Discharger 01/04/2012 null 378695 WDR 4 4B191522001 WDR R4-2011-0192 for CEMEX, Inc. Historical WDRNONMUNIPRCS R4-2011-0192 12/08/2011 03/02/2017 Discharger 01/04/2012 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 Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status