HMUG is the
abbreviation for Hazardous Materials Users Guide.
It was previously contained in
is currently found in NSTM 670 VOL. 2
Afloat Hazardous Material Control and Management
Guidelines Hazardous Materials Users Guide (HMUG).
It provides a single
comprehensive document for all afloat users about
material safety and health information to
personnel responsible for using, storing, and handling
chemicals organized into the twenty HMUG groups. The
groups are referenced by ship Maintenance Requirement
Cards (MRCs) and contain information concerning general
information, risk assessment, material storage and
compatibility, control measures/Personnel Protective
Equipment (PPE), safety precautions, health hazards,
spill controls, and offload guidelines.
PPE must be selected based on the severity of the hazard
and the probability that it could happen. Within each
Group there are PPE recommendations and information
(respirators, hand protection, eye protection, face
protection, body/skin protection, and foot protection).