T J Nelson

The assigned protection factor according to ANSI.

T J Nelson, 1996, American Industrial Hygiene Association journal.

Workplace protection factors--supplied air hood.

T J Nelson, T H Wheeler, T S Mustard, 2001, AIHAJ : a journal for the science of occupational and environmental health and safety.

TYPICAL TECHNICAL ISSUES

T J Nelson, J R Wullert, 1997 .

The effect of inhalation resistance on facepiece leakage.

T J Nelson, C E Colton, 2000, AIHAJ : a journal for the science of occupational and environmental health and safety.

The assigned protection factor of 10 for half-mask respirators.

T J Nelson, 1995, American Industrial Hygiene Association journal.