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Effective October 21, 2019, parties to unfair labor practice or representation cases processed in NLRB Regional Offices must submit all written statements, correspondence, position statements, documentary or any other evidence through the Agency’s electronic filing system (E-Filing). 

Click on the NLRB’s NEW My Account Portal Link to

·        Create an account or access your existing  E-Filing account

·        View your E-Filing History

·        E-File documents in a case or inquiry to which you are a party

·        Manage the contact information associated with your account.

Asarco Copper Mine Mission Complex

Case Number: 28-CA-248046
Location: Sahuarita, AZ
Date Filed: 09/05/2019
Region Assigned: Region 28, Phoenix, Arizona
Status: Closed on 12/09/2019
Reason Closed: Withdrawal Non-adjusted

Docket Activity

Datesort ascending Document Issued/Filed By
12/09/2019 Letter Approving Withdrawal Request* NLRB - GC
10/21/2019 Amended Charge Letter* NLRB - GC
10/21/2019 Amended Charge Letter* NLRB - GC
10/18/2019 Signed Amended Charge Against Employer* Charging Party
09/11/2019 Initial Letter to Charged Party* NLRB - GC
09/11/2019 Initial Letter to Charging Party* NLRB - GC
09/05/2019 Signed Charge Against Employer* Charging Party


  • 8(a)(5) Refusal to Furnish Information
  • 8(a)(5) Refusal to Bargain/Bad Faith Bargaining (incl'g surface bargaining/direct dealing)
  • 8(a)(1) Concerted Activities (Retaliation, Discharge, Discipline)
  • 8(a)(5) Repudiation/Modification of Contract [Sec 8(d)/Unilateral Changes]


Participant Address Phone
Charged Party / Respondent
Legal Representative
Richard Russo
Davis and Campbell, L. L. C.
401 Main Street, Suite 1600
Peoria, IL
Charged Party / Respondent
Asarco Copper Mine Mission Complex
Sahuarita, AZ
Charging Party
United Steelworkers Local 937
Tucson, AZ

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