General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 399199 Chevron Mining Inc R6 Privately-Owned Business 6001 Bollinger Canyon Road C-2144 San Ramon, CA 94583 760-856-7664 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 246044 Onsite Evaporation Ponds San Bernardino 6B Surface Impoundment None null null 245880 Old Evap Pond Closure San Bernardino 6B Surface Impoundment Owner 10/09/2007 null 244589 North Tailing Pond P-16 San Bernardino 6B Metal Mining Owner 09/10/2007 07/11/2017 244189 New Ivanpah Dry Lake Evap Pond San Bernardino 6B Surface Impoundment Owner 09/10/2007 null 241611 Mountain Pass P-1 Closure San Bernardino 6B Metal Mining Owner 09/10/2007 07/11/2017 241610 Mountain Pass Mine & Mill Ops San Bernardino 6B Metal Mining Owner 09/10/2007 04/14/2009 220454 DOMESTIC WASTEWATER T&DFs San Bernardino 6B Wastewater Treatment Facility Owner 09/10/2007 07/11/2017 215314 COMMUNITY & CO LANDFILLS-Molycorp San Bernardino 6B Land fill Owner 09/10/2007 07/11/2017 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 388260 WDR 6V 6B360011004 Mountain Pass Mine Wastewater Treatment Active WDRMUNIENROTH WQ 2014-0153-DWQ 11/07/2012 null Discharger 09/10/2007 04/14/2009 377626 WDR 6V 6B362098001 Revised WDR-Mountain Pass Mine & Mill Active LNDISPOTH R6V-2010-0047 10/14/2010 null Discharger 10/03/2007 04/14/2009 306717 WDR 6V 6B369706002 Mountain Pass Mine (Community Landfill and Company Landfill) Active LFNONOPER R6V-2006-0024 06/14/2006 null Discharger 09/10/2007 04/14/2009 148025 WDR 6V 6B360011004 Domestic Wastewater Treatment & Disposal Historical WDRMUNIOWTS 01-018 04/11/2001 06/19/2013 Discharger 09/10/2007 04/14/2009 148001 WDR 6V 6B360008001 MOLYCORP INC Mountain Pass Mine and Mill Site (Closure and Post Closure Maintenance) Active LNDISPOTH 00-074 09/14/2000 null Discharger 10/10/2007 04/14/2009 147169 WDR 6V 6B369003001 WDR 90-041 for New Ivanpah-6B369003001 Active LNDISPOTH 90-041 06/14/1990 null Discharger 10/03/2007 null 145895 WDR 6V 6B362098001 WDR 91-836 for Mountain Pass Mine & Mill Historical LNDISP 91-836 06/13/1991 10/14/2010 Discharger 10/03/2007 04/14/2009 145883 WDR 6V 6B369006001 WDR 90-056 for Old Evap pond Closure-Chevron Mining Active LNDISPOTH 90-056 09/13/1990 null Discharger 09/10/2007 null 133369 WDR 6V 6B369807003 On-Site Evaporation Pond-Molycorp Minerals Active LNDISPOTH R6V-2005-0011 04/14/2005 null Discharger 10/04/2007 04/14/2009 132920 WDR 6V 6B360009001 WDR 2004-0042 No Tailings Pond Active LNDISPOTH R6V-2004-0042 10/14/2004 null Discharger 09/10/2007 04/14/2009 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 448139 Oral Communication null Oral Com 06/14/2022 Violation Notification LNDISPOTH 06/14/2022 Historical 402179 Oral Communication null Oral Com 07/21/2015 for Molycorp Minerals LLC LNDISPOTH 07/21/2015 Historical 399720 Oral Communication null Oral Com 01/15/2015 for Molycorp Minerals LLC LNDISPOTH 01/15/2015 Historical 397929 Oral Communication null Oral Com 08/07/2014 for Molycorp Minerals LLC LNDISPOTH 08/07/2014 Historical 397928 Oral Communication null Oral Com 07/23/2014 for Molycorp Minerals LLC LNDISPOTH 07/23/2014 Historical 397167 Oral Communication null Oral Com 06/24/2014 for Molycorp Minerals LLC LNDISPOTH 06/24/2014 Historical 396142 Oral Communication null Oral Com 04/23/2014 for Molycorp Minerals LLC LNDISPOTH 04/23/2014 Historical 395386 Oral Communication null Oral Com 02/28/2014 for Molycorp Minerals LLC LNDISP 02/28/2014 Historical 387419 Notice of Violation null N.O.V.- MOLYCORP MINERALS, MTN PASS MINE/MILL (9-14-2012) LNDISP 09/14/2012 Historical 381415 Notice of Violation null N.O.V.E-Mail MOUNTAIN PASS MINE (9/15/2011) LNDISP 09/15/2011 Historical 381356 Notice of Violation null N.O.V.E-Mail MOUNTAIN PASS MINE (9/7/2011) LNDISP 09/07/2011 Historical 380130 Notice of Violation null N.O.V.- MOUNTAIN PASS MINE (6/27/2011) LNDISP 06/27/2011 Historical 377252 Oral Communication R6V-2005-0011 Verbal - MOLYCORP MINERALS LLC- (01/04/2011) LNDISP 01/04/2011 Historical 377137 Oral Communication R6V-2005-0011 Verbal - MOLYCORP MINERALS LLC- (12/15/2010) LNDISP 12/15/2010 Historical 377153 Oral Communication R6V-2005-0011 Verbal - MOLYCORP MINERALS LLC- (11/22/2010) LNDISP 11/22/2010 Historical 377156 Oral Communication R6V-2005-0011 Verbal - MOLYCORP MINERALS LLC- (11/22, 23 & 12/21, 2010) LNDISP 11/22/2010 Historical 377152 Oral Communication R6V-2005-0011 Verbal - MOLYCORP MINERALS LLC- (10/19/2010) LNDISP 10/19/2010 Historical 374884 Oral Communication R6V-2005-0011 Verbal - MOLYCORP MINERALS LLC- Requested spill report 6/24/2010 LNDISP 06/24/2010 Historical 373075 Notice of Violation R6V-2005-0011 N.O.V.- R6V-2005-0011, PROHIBITION LETTER DATED 2/9/2010 LNDISP 02/09/2010 Historical 378461 Notice of Violation null N.O.V.- MOUNTAIN PASS MINE (3/14/2011) LNDISP 02/09/2010 Historical 371968 Notice of Violation R6V-2005-0011 N.O.V.- MOLYCORP MINERALS LLC-Lined/unlined ponds ww discharge (11/3/2009) LNDISP 11/03/2009 Historical 366142 Notice of Violation R6V-2005-0011 N.O.V.- MOLYCORP MINERALS LLC, ONSITE EVAP PONDS- 4/21/2009 LNDISP 04/21/2009 Historical 361178 Notice of Violation R6V-2005-0011 Staff Enf Letter - MOLYCORP MINERALS LLC, ONSITE EVAP PONDS- 1/16/09 LNDISP 01/16/2009 Historical 352256 Notice of Violation null NOV/Chevron Mining Inc - 10/24/2007 LNDISP 10/24/2007 Historical 376448 Oral Communication UNKNOWN Oral Communication- 6B369006001 LNDISP 09/13/1990 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status