ASSP Society has released a statement in support of both Arizona chapters’ position. You can view that statement submitted to Assistant Secretary Parker and Deputy Assistant Secretary Frederick here.
For the background information, here is the link to the website for the publication in the Federal Register to view the supporting documentation and OSHA’s statement about the proposed revocation of ADOSH’s 18E Final Approval status. Here is the link to view the 197+ comments that have been submitted about this topic.
***UPDATE*** 8/15/22 – OSHA has reopened the comment period on the Reconsideration & Revocation of the ICA/ADOSH’s 18E Final Approval status. You can read about it in the federal register here.