The AISE Policy for the certification of Specialists in Safety or Environmental Engineering defines a specialists as follows:
a member who concentrates primarily on a particular subject or activity and is highly skilled in a specific and restricted field within safety engineering or environmental science and who has a minimum professional working history of 5 years in that field.
In the interpretation hereof, a collection of activities or subjects in a field does not meet this requirement.
The credential AISE awards to a specialist member is TechS.ISE as Certified Specialist in Industrial Safety / Environmental Engineering.
The credential AISE Awards to a specialist member in Consulting practice is TechP.ISE
See a comparison between Saiosh and AISE designations here.