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Ammonia as Nitrogen. ALS Environmental may or may not test for Ammonia as Nitrogen (CAS # 7664-41-7). Information is subject to change; please contact us for the latest available analytes for which we test.
Chemical Abstracts Service (CAS) Registry Number: 624-92-0. NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: JO1927500. Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 2381 130.