(comparative more colloquial, superlative most colloquial) ( 1 linguistics) Denoting a manner of speaking or writing that is characteristic of familiar conversation; informal.  Of or pertaining to a conversation; conversational or chatty.
Cotton dust is often present in the air during cotton handling and processing. Cotton dust may contain many substances including ground-up plant matter, fiber, bacteria, fungi, soil, pesticides, non-cotton matter, and other contaminants that may have accumulated during growing, harvesting, and subsequent processing or storage periods.
OSHAâS COMBUSTIBLE DUST NATIONAL EMPHASIS PROGRAM AND. COMBUSTIBILITY CHARACTERISTICS TESTING OF PVC RESINS. AND PVC DUSTS. Richard Krock, The Vinyl Institute, Alexandria, VA. Lawrence P. Halprin and Peter de la Cruz, Keller and Heckman, Washington, D.C. Abstract. This paper provides an overview of the current and. potential regulation of the hazards of combustible dust. (CD) by the Occupational Safety and Health.