Article 21 - ASSAY AND METALLURGICAL LABORATORIES
- Section R11-1-2101 - Mixing or Heating of Chemicals Producing Noxious Fumes or Gases
- Section R11-1-2102 - Hoods Ventilated
- Section R11-1-2103 - Velocity of Air Moving through the Hood
- Section R11-1-2104 - When Hood Fails to Exhaust Properly
- Section R11-1-2105 - No Unplanned Recirculation of Exhaust Air
- Section R11-1-2106 - Involving the Use of Perchloric Acid