PTDI


AcronymDefinition
PTDIProvisional Tolerable Daily Intake (maximum daily exposure level to a contaminant)
PTDIProductivity Design Tools Incorporated (Vancouver, BC, Canada)
PTDIPalm Tree Death Incident (thrash metal band)
PTDIPrimary Test Data Input
PTDIPulsed Tissue Doppler Imaging
PTDIProfessional Truck Drivers Institute, Inc.