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OCR for page 46
46 Name: SODIUM FLOURIDE CAS No.: 7681-49-4 Chemical Formula: NaF Description: NAS/CWIC 020-82 Formula Weight: 42.0 White or Nile blue fine powder or crystals and hygro- scopic. Used as source of fluoride. Purity Requirements: Analyses of available grades of sodium fluoride show the presence of arsenic and lead but at levels far below that which would necessitate RMIC values based on a maximum dosage of 1.2 mg fluoride ion/liter. If analyses are desired, the following protocol is recommended. Bulk Sample Collection: Sample in accordance with Standard for Sodium Fluoride, AWWA B701-78, American Water Works Association, Denver, Colorado (1978). Sample Analyses: The analyses are to be performed on the sodium fluoride sample in accordance with: Standard Method for the Examination of Water and Waste- water, 15th Edition, American Public Health Association, Washington, D.C. (1981). Arsenic Lead Section 304 Section 304