§ 721.4469 Imidazolethione.

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as an imidazolethione (PMNs P-91-1131 and P-90-564) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. Formulations or mixtures containing the PMN substance in concentrations at or below 10 percent by weight or volume are exempt from the provisions of this rule.