Herbal teas and fruit teas should not be confused with true teas (black, green, white, yellow, oolong, etc., which are prepared from the cured leaves of the tea plant, Camellia sinensis), as well as from decaffeinated tea, in which the caffeine has been removed.
Physical Hazard. OSHA defines a physical hazard as a chemical for which there is scientifically valid evidence that it is a combustible liquid, a compressed gas, explosive, flammable, an organic peroxide, an oxidizer, pyrophoric, unstable (reactive), or water-reactive.hysical Hazard. OSHA defines a physical hazard as a chemical for which there is scientifically valid evidence that it is a combustible liquid, a compressed gas, explosive, flammable, an organic peroxide, an oxidizer, pyrophoric, unstable (reactive), or water-reactive.
Solid (s), liquid (l), gas (g), or dissolved in water (aq). aq is called aqueous which comes from the Latin word aqua meaning water. If you do not know the state of a substance see melting and boiling points. If the melting point is above the reaction temperature, the substance is solid (s). If the boiling point is below the reaction temperature, the substance is gas (g). If the melting point is below the reaction temperature. and the boiling point is above the reaction temperature, then the substance is liquid (l).