A second union for Philadelphia city workers is holding a strike authorization vote, according to an email sent to members last week that was obtained by The Inquirer. But it’s far from clear that leaders of that union — the American Federation of State,

AFSCME District Council 33, which represents more than 9,000 city workers, went on strike at midnight June 30, impacting city services including trash and recycling collections, street and water repairs and maintenance, libraries and public pools, airport custodial services, licenses and inspections and public health services.