Enhancement of the ERMIN urban dose and remediation model to account for physicochemical properties of contamination

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Table 1

Retention parameters for roads^a in ERMIN.

ERMIN model version		A1^a	T1	A2	T2
ERMIN 2		0.7	0.4 years	0.3	3 years
ERMIN 2.1	Soluble aerosols	0.7	0.4 years	0.3	3 years
	Fuel particles 2–5 μm	1	60 days	–	–
	Fuel particles 5–10 μm	1	30 days	–	–
	Fuel particles 10–20 μm	1	30 days	–	–

ERMIN uses a double exponential for retention on roads, where A1 and A2 are the fractions of material in the first and second compartments and T1 and T2 are the retention half-lives.

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