Tom, The lab "peninsula" would only be one pice of the "common path of travel" distance to where two distinct paths to exits diverge. Depending on your occupancy and whether you are sprinklered, the allowable distance can vary, generally in the 50 to 150 ft. range in NFPA 101. Regards, Ellis Quoting "Teel, Thomas R" <[log in to unmask]>: > Does anyone know of a "regulation" which would require limiting the > length of a lab peninsula (meaning only one means of egress from the > enclosed area) and requiring an island station? While such a rule makes > sense, I am unable to find any supporting information. Thanks for your > assistance. > > > Tom Teel > Research Facilities Coordinator > Dean's Office > UVM College of Medicine > Given C109B > Burlington, VT 05405 > 802-656-0377 > Cell 802-318-3809 > FAX-802-656-4618 >