Search
Now showing items 1-1 of 1
ISA and IEC Standards--How Are They Impacting the Process
(Mary Kay O'Connor Process Safety Center, 1998)
At the present time, we have two approved USA National Standards on Safety Instrumented Systems (SIS); ANSI/ISA S84.01 and ANSI/ISA S91.01. In addition, there are two international standards presently under development on ...