Table 3. Estimations for the Mass of PFAS in Children’s School Uniforms (tonnes/year) Purchased Annually in US and Canada in a Year Representative of 2019–2021, Expressed in tonnes PFAS/year.

		Estimates
Country	Description	Low	Middle	High
US	polymeric	0.05	2.8	33
	nonpolymeric	0.0014	0.099	0.92
Canada	polymeric	0.005	0.28	3.3
	nonpolymeric	1.4 × 10–04	0.01	0.092