Choose your reply from the options at the end. Does "The National Institute for Occupational Safety and Health (NIOSH) has set a Recommended exposure limit (REL) of 5 mg/m3 over a 15-minute period." contain the correct answer to "What is the nationally set limit for exposure of asphalt in a 15 minute period?"
Options are:
(i). yes.
(ii). no.
(i).