Under another amendment, controlled closed systems where the concentration of PFOS released into the environment and the workplace is less than 1μg per kg of these PFOS may be used in the system until six years after the directive enters into force.
Jau tagad ugunsdzēšamajās putās PFOS nelieto, turklāt ir viegli pieejamas drošākas alternatīvas bez halogēnu saturošiem organiskiem savienojumiem.