acetylcholine - a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems. neurotransmitter - a neurochemical that transmits nerve impulses across a synapse. Translations.
NFPA 484 2015 EDITION â STANDARD FOR COMBUSTIBLE METALS REVISIONS AND THE ABRASIVE BLASTING INDUSTRY. Abrasive (media) blasting is a process that does in fact generate dust and in many applications, a combustible metal dust. However, until the 2015 edition of NFPA 484 abrasive blasting hasnât been included or listed as a process within the standard.
other personnel working in the vicinity of abrasive blasting operations. This equipment shall conform to the requirements of CCR, Title 8, Section 3404 (Eye and Face Protection). 4.8.3 Protection shall be provided to any other personnel working in the vicinity of abrasive blasting operations. 4.9 Environmental Controls