(1) Beginning January 1, 2026, no manufacturer may manufacture, sell, offer for sale, distribute for sale, or distribute for use in this state cookware or a cookware component containing lead or lead compounds at a level of more than five parts per million.

(2)(a) Beginning January 1, 2026, no retailer or wholesaler may knowingly sell or knowingly offer for sale for use in this state cookware or a cookware component containing lead or lead compounds at a level of more than five parts per million.

(b) Retailers or wholesalers who unknowingly sell products that are restricted from sale under this chapter are not liable under this chapter.

(c) The sale or purchase of any previously owned cookware or cookware components containing lead made in casual or isolated sales as defined in RCW 82.04.040, or by a nonprofit organization, is exempt from this chapter.

(3) After December 2034, the department, in consultation with the department of health, may lower the five part per million limit established in subsection (1) of this section by rule if it determines that the lower limit is:

(a) Feasible for cookware and cookware component manufacturers to achieve; and

(b) Necessary to protect human health, including the health of vulnerable populations.