"Toxic substance" does not include...

Excerpt from the Wisconsin Department of Commerce Regulation of Industry, Buildings and Safety, Sections 101.58 to 101.599 (The “Employees’ Right to Know Law”):

2. “Toxic substance” does not include:
a. Any article, including but not limited to an item of equip-
ment or hardware, which contains a substance regulated by the
federal occupational safety and health administration under title
29 of the code of federal regulations part 1910, subpart z, if the
substance is present in a solid form which does not cause any acute
or chronic health hazard as a result of being handled by an
employee.
b. Any mixture containing a substance regulated under title
29 of the code of federal regulations part 1910, subpart z, if the
substance is less than one percent, or, if the substance is an impu-
rity, less than 2%, of the product.
c. Any consumer product packaged for distribution to and
used by the general public, for which the employee’s exposure
during use is not significantly greater than the consumer’s expo-
sure occurring during the principal use of the product.
d. Any substance received by an employer in a sealed package
and subsequently sold or transferred in that package, if the seal
remains intact while the substance is in the employer’s workplace.
e. Any waste material regulated under the federal resource
conservation and recovery act, P.L. 94−580.
f. Lutefisk.
(k) “Workplace” means any location where an employee per-
forms a work−related duty in the course of his or her employment,
except a personal residence.