The breathing zone is the region within an occupied space between 3 and 6 feet above the floor and more than 2 feet from walls or fixed air-conditioning equipment. (AHSRAE 62.12007)
Breathing Zone: Area of a room in which occupants breathe as they stand, sit, or lie down.
Buffer Action: A substance's resistance to a change in pH.
Breathing Zone: Area of air in which an organism inhales.
Brine Mud: Waste material, often associated with well-drilling or mining, composed of mineral salts or other inorganic compounds.
Space within a radius of 0.5 m from a person’s face.
British anti-Lewisite (BAL)
See 2,3-bis(sulfanyl)propan-1-ol ...
Personal Air Samples: Air samples taken with a pump that is directly attached to the worker with the collecting filter and cassette placed in the worker's breathing zone (required under OSHA asbestos standards and EPA worker protection rule).
See also: Bacteria, Concentration, Organic, Exposure, Air