The Radiological Impact of ²¹⁰Pb and ²¹⁰Po Released from the Iron- and Steel-Making Plant ILVA in Taranto (Italy) on the Environment and the Public

Table 8

The ²¹⁰Po and ²¹⁰Pb concentrations in kBq kg⁻¹ and lead contents in the dust particle samples collected at the exit of E312 chimney of the ILVA Taranto on 5–7 May 2009.

Sample no.	Collection date	Sampling volume, m^3	Sample weight, g	Po yield, %	^210Po	Pb yield, %	^210Pb	^210Po/^210Pb	Lead, %
DP5	5 May 2009	0.949	0.00620	94.1	71.0±3.2	93.8	28.1±1.2	2.52	4.41±0.22
DP6	6 May 2009	0.999	0.00424	95.9	85.6±3.7	93.8	34.6±1.4	2.48	5.24±0.26
DP7	7 May 2009	0.978	0.00596	97.7	77.5±3.6	93.8	34.5±1.4	2.25	9.46±0.47
Mean ± 1SD	—	0.975±0.025	0.00547±0.00107	95.9±1.8	78.0±7.3	93.8	32.4±3.7	2.42±0.15	6.37±2.71
Range	—	0.949–0.999	0.00424–0.00620	94.1–97.7	71.0–85.6	—	28.1–34.6	2.25–2.52	4.41–9.46