...-fire. Step I: Identifying Hazardous Locations/Areas Gases, vapors, and dusts can all form flammable atmospheres under certain process operating conditions; both normal and abnormal. For many years, hazardous area classification procedures have been used to select and install suitable electrical...

... liquids Having a flash point above 1000F (37.80C) and below 2000F (93.30C) Explosion Proof Apparatus (OSHA) Apparatus enclosed in a case that is capable of withstanding an explosion of a specified gas or vapor that may occur within it and of preventing the ignition of a specified gas or vapor surrounding...

... of modern fertilizers, world food production has more than doubled since 1960, keeping pace with the population explosion.ii Ammonia is a naturally occurring colorless gas that is an inhalation hazard with an extremely pungent odor; the odor threshold for ammonia vapor is between five and fifty parts per...

... colorless gas that is an inhalation hazard with an extremely pungent odor; the odor threshold for ammonia vapor is between five and fifty parts per million (ppm). About 140 million metric tons are produced annually by commercial means, and this total is approximately equal to the amount produced naturally...

... area should have a sealed entrance that would prevent vapors and fumes from adhesives, sealants, or welding from filtering into the occupied space. Contractors should be required to use construction entrances to the project that bypass occupied areas. Construction vehicles can be a source...

... ammonia), or as a dry fertilizer product; in the United States, about three percent of production is used in refrigeration systems. Ammonia is a naturally occurring colorless gas that is an inhalation hazard with an extremely pungent odor; the odor threshold for ammonia vapor is between five and fifty...

... project iaq concern indoor air quality hvac system odor installation construction contaminant microbial growth air emission exposure health & medicine vapor building material air quality adhesive occupant contractor Session No. 612 Indoor Air Quality Considerations During...

... that gets indoors are soil- gas vapors volatile chemicals from the soil migrating upward, penetrating through building foundations thereby affecting IAQ. The vapors in soil-gas may be from a man-made source (e.g., leaks from underground gasoline (BTEX) tanks) or they may be naturally occurring, (e.g...

... and has an extremely pungent odor; the odor threshold for ammonia vapor is between five and fifty parts per million (ppm). It is estimated that some 140 million metric tons are produced annually by commercial means, and that this total is approximately equal to the amount produced naturally.i...

... of all yes s Safety Meeting Effectiveness = # of yes s ÷ 20 = social responsibility safety manager Safety Activity vapor Integrating HSSE into the business concentration measure successful performance audit successful performance sustainability measuring right thing safety culture DART...

... atmosphere means an atmosphere that may expose employees to the risk of death, incapacitation, impairment of ability to self-rescue (that is, escape unaided from a permit space), injury, or acute illness from one or more of the following causes: (1) Flammable gas, vapor, or mist in excess of 10 percent...

... breach the spaces where these problems lie and expose confined space entrants to potentially toxic vapors or gasses. Recognition The hidden hazards in confined spaces are those voids or hollow areas that could trap product or flammable or toxic vapor or gas. There are many of these commonly found...