11. The NIOSH short-term exposure limit ( STEL 15 min ) is 1 ppm. 12. Also, the exposure limits would be established at levels intended to protect infants and children. 13. Occupational exposure limits may be one of two types : rate limited or dose limited. 14. Workers have a daily and annual radiation exposure limit . 15. Additionally, PCl 3 has been designated IDLH with a maximum exposure limit at 25 ppm. 16. No exposure limits have been established for Ammonium Bicarbonate. 17. Full compliance to the exposure limits for all transactions will be effective from March 31. 18. There is no regulated permissible exposure limit set by the Occupational Safety and Health Administration. 19. A lack of exposure limits their horizons, and they have modest academic and lifetime goals. 20. Today's occupational exposure limit is 5 roentgens per year.
