Is there a difference between the Clean Break Facility Disinfectant (light blue label) and the Clean Break Disinfectant-Detergent (multipurpose disinfectant/dark blue label)?

Yes, the Facility Disinfectant is formulated to be effective against pathogens typically associated with humans and the CleanBreak Disinfectant-Detergent is formulated to be effective against pathogens normally associated with animals, more specifically dogs and cats.

Clean Break Multi-Purpose Disinfectant – Detergent (EPA Registration No. 1839-100-82023) 

Clean Break Facility – Disinfectant Detergent (EPA Registration No. 1839-169)