IN NEW LIQUID PIPELINE CONSTRUCTION FOR HAZARDOUS MATERIALS THE MANUFACTURER’S SPECIFICATIONS MUST BE MARKED ON THE WALL OF PIPE WHICH IS AT LEAST_____IN DIAMETER OR LARGER.

IN NEW LIQUID PIPELINE CONSTRUCTION FOR HAZARDOUS MATERIALS THE MANUFACTURER’S SPECIFICATIONS MUST BE MARKED ON THE WALL OF PIPE WHICH IS AT LEAST_____IN DIAMETER OR LARGER.