Substance | French TLV-TWA | Incinerators | Plant 1 | Plant 2 | Control site | Plant 1 v control | Plant 2 v control | Plant 1 v plant 2 | |
---|---|---|---|---|---|---|---|---|---|
Particles (mg/m3) | |||||||||
Inspirable particles | 10 | M ± SD (n) | 1.45 ± 1.61 (34) | 1.44 ± 1.41 (15) | 1.46 ± 1.78 (19) | 0.06 ± 0.06 (6) | p<0.001 | p<0.001 | NS |
m; range | 0.76; 0.13–6.43 | 0.90; 0.20–5.22 | 0.58; 0.13–6.43 | 0.05; 0.01–0.17 | |||||
Respirable particles | 5 | M ± SD (n) | 0.39 ± 0.58 (34) | 0.30 ± 0.22 (15) | 0.46 ± 0.76 (19) | 0.03 ± 0.02 (6) | p<0.001 | p<0.001 | NS |
m; range | 0.2; 0.03–2.90 | 0.20; 0.07–0.80 | 0.18; 0.03–2.90 | 0.02; 0.02–0.06 | |||||
Metals (μg/m3) | |||||||||
Arsenic | 200 | M ± SD (n) | – | – | 0.14 ± 0.08 (20) | ND (6) | p<0.001 | ||
m; range | 0.11; 0.06–0.43 | ||||||||
Cadmium | 50 | M ± SD (n) | 0.29 ± 0.62 (36) | 0.22 ± 0.25 (16) | 0.34 ± 0.81 (20) | 0.001 ± 0.001 (6) | p<0.001 | p<0.001 | NS |
m; range | 0.07; 0.01–3.56 | 0.10; 0.03–0.98 | 0.07; 0.01–3.56 | 0.001; 0.0004–0.003 | |||||
Chromium | 500 | M ± SD (n) | 0.68 ± 0.67 (36) | 0.74 ± 0.60 (16) | 0.64 ± 0.73 (20) | 0.015 ± 0.019 (6) | p<0.001 | p<0.001 | NS |
m; range | 0.43; 0.09–2.64 | 0.44; 0.09–1.81 | 0.43; 0.10–2.64 | 0.006; ND–0.044 | |||||
Lead | 150 | M ± SD (n) | 4.73 ± 7.82 (36) | 7.98 ± 9.32 (16) | 2.29 ± 5.55 (20) | 0.078 ± 0.052 (6) | p<0.001 | p<0.001 | p<0.05 |
m; range | 0.91; 0.09–28.00 | 1.43; 0.29–28.00 | 0.68; 0.09–25.47 | 0.073; 0.027–0.134 | |||||
Manganese | 1000 | M ± SD (n) | – | – | 2.67 ± 3.33 (20) | 0.033 ± 0.021 (6) | p<0.001 | ||
m; range | 1.53; 0.26–13.02 | 0.031; 0.006–0.065 | |||||||
Nickel | 1000 | M ± SD (n) | 0.10 ± 0.27 (36) | 0.17 ± 0.39 (16) | 0.05 ± 0.10 (20) | 0.09 ± 0.15 (6) | NS | NS | p<0.05 |
m; range | 0.03; 0.01–1.60 | 0.04; 0.01–1.60 | 0.02; 0.01–0.49 | 0.04; ND–0.39 | |||||
PAHs (ng/m3) | |||||||||
BaP | 150 | M ± SD (n) | – | – | 1.09 ± 2.71 (19) | 0.43 ± 0.13 (6) | NS | ||
m; range | – | – | 0.06; ND–11.64 | 0.42; 0.28–0.65 | |||||
Pyrene | M ± SD (n) | – | – | 5.48 ± 10.46 (19) | 6.42 ± 14.8 (6) | NS | |||
m; range | 0.58; ND–91.12 | 0.27; ND–36.61 | |||||||
PAHs | M ± SD (n) | 18.84 ± 36.16 (19) | 9.68 ± 16.87 (6) | NS | |||||
m; range | 6.21; 0.02–147.46 | 2.92; 1.20–43.99 |