Wis. Admin. Code § WEM 3.04
The threshold amounts for the purpose of reporting under s. 323.60 (5) (d), Stats., for toxic chemicals are one or both of the following:
History: Cr. Register, November, 1991, No. 431, eff. 12-1-91; correction in (intro.) made under s. 13.92 (4) (b) 7., Stats., Register February 2010 No. 650.