General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 524363 Robert Aldenhuysen null Po Box 697 Pleasanton, CA 94566 925-426-2261 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 345854 Cemex Construction Materials Pacific, LLC Organization Legally Responsible Official 07/29/2010 null Privately-Owned Business 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 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 454535 Cemex Construction Materials Pacific, LLC Enrollee - 401 Certification CERFILLEXC 10/09/2023 Active 450891 Cemex Construction Materials Pacific, LLC Enrollee - 401 Certification CERFILLEXC 02/01/2023 Active 423255 Cemex Construction Materials Pacific, LLC 401 Certification CERFILLEXC 05/29/2019 Active 422130 Cemex Construction Materials Pacific, LLC Enrollee - NPDES WDRMINING 07/02/2018 Active 420295 Cemex Construction Materials Pacific, LLC 401 Certification CERFILLEXC 08/17/2018 Historical 375631 Cemex Construction Materials Pacific, LLC WDR LFNONOPER 07/29/2010 Active 144387 Cemex Construction Materials Pacific, LLC WDR WDRINDIVLRG 03/23/1990 Active 143491 Cemex Construction Materials Pacific, LLC WDR WDRMINING 01/25/1974 Active 140672 Cemex Construction Materials Pacific, LLC WDR LNDISP 08/11/1989 Historical 131436 Cemex Construction Materials Pacific, LLC WDR WDRMINING 04/26/2002 Active