General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 569586 Allegheny Technologies, Inc. Privately-Owned Business 48 Prestbury Square Building 18 Newark, DE 19713 302-368-7350 mark.thomasen@alimetals.com Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 240018 Former Teledyne McCormick Selph Inc./Pacific Scientific San Benito 3 Manufacturing NEC Owner 08/17/2015 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 581588 Mark Thomasen Person Legally Responsible Official 07/24/2018 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 422947 Enrollee - Waiver 3 3 350618628 Enrollee - Waiver WDR for Former Teledyne McCormick Selph Facility (Allegheny Technologies, Inc.) Historical SLIC R3-2019-0089 06/21/2018 09/20/2019 Discharger 07/24/2018 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