The calibrators and controls contain sodium axide. Contact with acids liberates very toxic gas. This material and its container must be disposed of in a safe way.
NSN 6150-01-591-8292
NSN 5960-01-502-6270
NSN 6110-00-493-4774
NSN 5930-01-500-1799
NSN 5950-01-121-0459
NSN 5895-01-414-4856
NSN 6610-01-227-7221
NSN 6610-01-419-7130
NSN 6685-01-154-6899
NSN 5965-00-693-8829
NSN 5915-01-481-3999
NSN 6650-01-425-7362