University Hospital Consortium

Underlying Hazardous Constituent. Any constituent listed in 40 CFR 268.48, “Table UTS - Universal Treatment Standards”, except fluoride, selenium, sulfide, vanadium, and zinc, which can reasonably be expected to be present at the point of generation of the hazardous waste, at a concentration above the constituent-specific universal treatment standard.

University HealthSystem Consortium

Unicorn Hobby Company A Hong-Kong based airsoft manufacturer of low-end airsoft replicas.  They reportedly manufacture airsoft 'springer' replicas by contract to Tokyo Marui.

Any unburned hydrocarbon that is emitted in a combustion process. Also termed VOC (volatile organic compound).

UDP Host Cache

Urban Health Centres

Uniform Housing Code