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OCR for page 12
12 Name: AMMONIUM HYDROXIDE, AQUA AMMONIA CAS No.: 1336 - 21-6 Chemical Formula: NH40H Descrintion: NAS/CWTC 003 - 82 Formula Weight: 35.D A clear colorless solution that is strongly alkaline and has an intense, pungent, suffocating odor. It is com- pletely miscible in water and is available at a commercial strength of 29.4% NH3. Use: Used with chlorine during disinfection for control of trihalomethanes, tastes, and odors. Purity Requirements ! A maximum dosage of 10 mg of ammonium hydroxide/liter of water was considered and at that dosage ammonium hydroxide is not known to contribute any contaminants that adversely affect the potability of drinking water.