Table 6.

Net benefits of the removal of lead-based paint in French houses (in €₂₀₀₈ Billion)

Blood-lead concentrations range (μg/L)	Benefits	Abatement costs	Net benefits	Hypothetical threshold values (μg/L)	Net cumulated benefits
15 ≤ B-Pb < 24	1.92	0.016 (0.008-0.02)	1.90 (1)	B-Pb ≥ 15	3.78 (1+2+3)
24 ≤ B-Pb < 100	1.64	0.016 (0.008-0.02)	1.63 (2)	B-Pb ≥ 24	1.88 (2+3)
B-Pb ≥ 100	0.33	0.074 (0.037-0.104)	0.25 (3)	B-Pb ≥ 100	0.25

Table 6 presents the net benefits of the removal of lead-based paint in French houses. Lead in soils and dust from the lead-based paint in homes built before 1949 represented 16% and 74% of cases of childhood lead intoxication for B-Pb concentration 15-100 μg/L and for B-Pb concentration≥100 μg/L, respectively. We applied these percentages to calculate the total benefits and the total costs C*paint (with central estimates selected) of the removal of lead-based paint ranged from blood-lead concentrations. We obtained € 1.92 billion(=€11.99billion*16%) and €0.016 billion (=(€0.2453/w₃₀)*16%)) for the 15-24 μg/L range, €1.64 billion (=€10.28*16%) and €0.016 billion (=(€0.2453/w₃₀)*16%)) for the 24-100 μg/L range, and € 0.33 billion (=€ 0.44 billion*74%) and (=(€0.2453/w₃₀)*74%)) for the ≥ 100 μg/L range, respectively. We thus calculated the net benefits of the removal of lead-based paint ranged from blood-lead concentrations: €1.90 billion (1), € 1.63 billion (2) and € 0.25 billion (3) for B-Pb concentration 15-24, 24-100 μg/L and B-Pb concentration≥100 μg/L, respectively. Based on the three hypothetical threshold values, above 15, 24 and 100 μg/L, we estimated also the total net benefit cumulated: €3.78 billions (1+2+3), €1.88 billion (2+3) and €0.25 billion (3), respectively.