Lower Hazard Substances

(1) For calendar year reporting period 2009 and thereafter, the following substances shall be designated as lower hazard substances: Isobutyl alcohol Sec-butyl alcohol N-butyl alcohol (2) For calendar year reporting period 2010 and thereafter, the following substances shall be designated as lower hazard substances: Butyl acetate Isobutyl acetate Ferric chloride Ferric sulfate Ferrous chloride Ferrous sulfate Ferrous sulfate