Safety Considerations. The toxicity or carcinogenicity of each
chemical and reagent used in this method was not precisely defined.
However, each one must be treated as a potential health hazard, and
exposure to these chemicals should be minimized. Some method
analytes have been tentatively classified as known or suspected human
or mammalian carcinogens. Pure standard materials and stock standard
solutions of these compounds should be handled with suitable
protection to skin, eyes, etc