Table 2.

Experimentally determined diffusion and partition coefficients of PCB, OPFR and PFAS from literature

Chemicals	Kda’ (m3/g)	Kdaa (dimensionless)	Dd (m2/h)	Kds (dimensionless)	Ref
				(HD/primer)	8
PCB-52				0.04
PCB-66				0.12
PCB-101				0.11
PCB-105				0.14
PCB-110				0.11
PCB-118				0.16
PCB-154				0.08
PCB-187				0.16
PCB-52		8.8 × 106	4.0 × 10−14		31
PCB-101		2.5 × 107	1.9 × 10−14
PCB-110		3.5 × 107	1.9 × 10−14
PCB-118		5.5 × 107	1.9 × 10−14
PCB-8	1.6	6.3 × 105			32
PCB-18	2.0	7.9 × 105
PCB-28	6.3	2.5 × 106
PCB-31	6.3	2.0 × 106
PCB-44	12.3	5.0 × 106
PCB-52	10.0	4.0 × 106
PCB-66	39.8	1.6 × 107
PCB-75	25.1	1.0 × 107
PCB-99	50.1	2.0 × 107
PCB-101	39.8	1.6 × 107
TCPP	29 (HD/foam)				33
TCEP	85.5 (ATD/foam)	6.3 × 107 (ATD/foam)		1.3 × 10−2 (ATD/foam)	7
	20.8 (HD/foam)	2.0 × 107 (HD/foam)		6.0 × 10−3 (HD/foam)b
	5.21 (HD/paint)	4.9 × 106 (HD/paint)		0.8 (HD/paint)
TCPP	224.4 (ATD/foam)	1.6 × 108 (ATD/foam)		1.8 × 10−2 (ATD/foam)	7
	14.8 (HD/foam)	1.4 × 107 (HD/foam)		6.5 × 10−3 (HD/foam)b
	3.4 (HD/paint)	3.2 × 106 (HD/paint)		0.55 (HD/paint)
TDCPP	13.7 (ATD/foam)	1.0 × 107 (ATD/foam)		3.5 × 10−3 (ATD/foam)	7
	273.8 (HD/foam)	2.6× 108 (HD/foam)		5.9 × 10−3 (HD/foam)b
	42.8 (HD/paint)	4.0× 106 (HD/paint)		0.39 (HD/paint)
6:2 FTOH	10-1000				23
8:2 FTOH 10:2
FTOH PFHxA
PFOA
PGNA
PFOS PFDoDA
PFDA
EtFOSE

^a.K_da is dimensionless, K_da can be converted to K_da’, which is the dust-air partition coefficient in unit of m³/g, using $K_{da}^{\prime }=K_{da}∕(\rho \times {10}^{-6}).{}^{\mathrm{b}.}\text{Average (n=3)}$.

^b.Average (n = 3)