General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 40962 Silica Resources, Inc. Privately-Owned Business Po Box 167 Loomis, CA 95650-0167 916-652-1704 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 227554 Goldfields Aggregate Facility Yuba 5S Sand and Gravel Mining Operator 12/21/1999 null 741213 Silica Resources Facility Placer 5S Sand and Gravel Mining Owner and Operator 09/18/2006 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 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 141406 WDR 5S 5A58NC00001 WDR 5-00-104 for Silica Resources, Inc., Goldfields Aggregate Facility Active WDRMINING 5-00-104 06/15/2000 null Discharger 06/15/2000 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 230689 Staff Enforcement Letter null Enforcement - 5A58NC00001 WDR 11/18/1999 Historical 397777 Notice of Violation null NOV 08/11/2014 for Silica Resources Inc WDRMINING 08/11/2014 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status