INTRODUCTION
The provisions of Article 6 need not apply to anhydrous ammonia installations
up to the point of delivery to a transportation tank in plants manufacturing
this product or in refrigeration plants where ammonia is used solely as a refrigerant;
provided, however, that tanks used in such plants be designed and constructed
in accordance with the provisions of Article 2, and shall be maintained and
operated in accordance with the provisions of Article 4 of these Orders.
HISTORY
1. Amendment of introduction filed 3-28-75; effective thirtieth day thereafter
(Register 75, No. 13).