Organizers have yet to initiate a card campaign, a process by which 30% of the proposed bargaining unit must indicate their support for a union to prompt an election.

Source: https://pittnews.com/article/180508/featured/graduate-students-at-yale-johns-hopkins-syracuse-and-several-other-large-universities-have-unionized-with-more-than-90-support-in-the-last-six-months-sparking-hope-among-organizers-for-a-similar-vi/

Workers included in the bargaining unit and eligible to vote are all hourly production and maintenance employees.

Source: https://triblive.com/local/valley-news-dispatch/braeburn-steelworkers-to-vote-on-another-labor-union-representation-since-new-owner-doesnt-recognize-first-one/