Parts 5230.5000 to 5230.5915 form the code for ammonia refrigeration systems and applies to ammonia piping systems used for closed circuit refrigeration systems. Parts 5230.5000 to 5230.5915 are minimum standards.
Minn. R. agency 206, ch. 5230, CODE FOR AMMONIA REFRIGERATION SYSTEMS, pt. 5230.5000
Statutory Authority: MS s 326.46; 326B.90; 326B.925