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Chemical Identification/RIDS <br />Chemical Name: AMMONIA, ANHYDROUS <br />Regulatory Name: AMMONIA <br />AMMONIA (ANHYDROUS) <br />NFPA Codes F: 1 NFPA Codes H: 3 NFPA Codes R: 0 NFPA Codes S: <br />Formula: H3N <br />DOT: POISON GAS, CORROSIVE <br />UN Num: 1005 <br />Sec 112R: Z CAATQ: 10000 313: 0 <br />EHS: N EHSTPQ:500 RCRA: <br />CERCLA: Z RQ: 100 CHRIS: AMA <br />CAS: 7664-41-7 STCC: 4920359 <br />4904210 <br />AGndR70 <br />General Description <br />A clear colorless gas with a strong odor. Shipped as a liquid under its own vapor pressure. Density (liquid) 6 Ib / gal. Contact with the <br />unconfined liquid can cause frostbite. Gas generally regarded as nonflammable but does burn within certain vapor concentration limits and <br />with strong ignition. Fire hazard increases in the presence of oil or other combustible materials. Although gas is lighter than air, vapors <br />from a leak initially hug the ground. Prolonged exposure of containers to fire or heat may cause violent rupturing and rocketing. Long-term <br />inhalation of low concentrations of the vapors or short-term inhalation of high concentrations has adverse health effects. Used as a <br />fertilizer, as a refrigerant, and in the manufacture of other chemicals. <br />Rate of onset: Immediate <br />Persistence: Minutes <br />Odor threshold: 17 ppm <br />Source/use/other hazard: Explosives manufacture; pesticides; detergents industry <br />CRIMINAL/TERRORIST USE OF CHEMICAL/BIOLOGICAL AGENTS <br />The following is intended to supply information to first responders for use in making a preliminary assessment of a situation that they <br />suspect involves criminal/terrorist use of chemical and/or biological (CB) agents. To aid in the assessment, a list of observable indicators <br />of the use and/or presence of a CB agent is provided in the following paragraphs. <br />This preamble about differences goes into indicators section of bio and chem. databases <br />DIFFERENCES BETWEEN A CHEMICAL AND A BIOLOGICAL AGENT <br />Chemical and biological agents can be dispersed in the air we breathe, the water we drink, or on surfaces we physically contact. <br />Dispersion methods may be as simple as opening a container, using conventional (garden) spray devices, or as elaborate as detonating an <br />improvised explosive device. <br />Chemical Incidents are characterized by the rapid onset of medical symptoms (minutes to hours) and easily observed signatures (colored <br />residue, dead foliage, pungent odor, dead insects and animals). <br />Biological Incidents are characterized by the onset of symptoms in hours to days. Typically, there will be no characteristic signatures <br />because biological agents are usually odorless and colorless. Because of the delayed onset of symptoms in a biological incident, the area <br />affected may be greater due to the movement of infected individuals. <br />INDICATORS OF A POSSIBLE CHEMICAL INCIDENT <br />Dead animals/birds/fish <br />Not just an occasional road kill, but numerous animals (wild and domestic, small and large), birds, and fish in the same area. <br />Lack of insect life <br />If normal insect activity (ground, air, and/or water) is missing, check the ground/water surface/shore line for dead insects. If near water, <br />check for dead fish/aquatic birds. <br />Unexplained odors <br />Smells may range from fruity to flowery to sharp/pungent to garlic/ horseradish -like to bitter almonds/peach kernels to new mown hay. It is <br />6/12/2007 Printed from CAMEO Page 1 <br />