Section 70A.400.050 - Class B firefighting foam/firefighting personal protective equipment-Certificate of compliance-Department duties(1) The department may request a certificate of compliance from a manufacturer of class B firefighting foam or firefighting personal protective equipment. A certificate of compliance attests that a manufacturer's product or products meets the requirements of this chapter.(2) Beginning July 1, 2018, the department shall assist the department of enterprise services, other state agencies, fire protection districts, and other local governments to avoid purchasing or using class B firefighting foams to which PFAS chemicals have been intentionally added. The department shall assist the department of enterprise services, other state agencies, fire protection districts, and other local governments to give priority and preference to the purchase of firefighting personal protective equipment that does not contain PFAS chemicals.