Follow link for UA Guidlines for worker safety related to COVID - 19
https://uanet.org/pdf/GuidelinesWorkerHealthPlumbingHVACSystemsCOVID-19_1.pdf?fbclid=IwAR2S4XKxB8xHVchMlRkQ_aC5xoDTsmdS4GydJVp7ho4z8KImHaWUqSk3YbA
