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Acronym: NASDS

Category: SCUBA Diving Acronyms

Meaning / Stands for:

	Acronym	Meaning
	PDIC	Professional Diving Instructors Corporation International; Diving Instruction Organization.
	EFR	Emergency First Response
	OD	Ocean Diver (BSAC)
	TP	Test Pressure
	AA	Assisted Ascent
	DL	Dive Leader (BSAC)
	TDT	Total Dive Time
	ITW	Instructor Training Workshop (BSAC)
	SCUHA	Self-contained Underwater Heating Apparatus (urinating In Your Wet Suit).
	EO	Equipment Officer (BSAC)