Table 3.

Toxicity equivalent concentration of PAHs in the soil of parks in Urumqi.

PAHs	TEFBap	TEQ (mg/kg)
		Summer soil (mg/kg)		Winter soil (mg/kg)
		Range value	Average value	Range value	Average value
Nap	0.001	4.6 × 10–6 to 1.2 × 10–5	6.9 × 10–6	3.0 × 10–6 to 4.4 × 10–5	1.0 × 10–5
Ace	0.001	2.4 × 10–7 to 9.7 × 10–6	2.0 × 10–6	4.4 × 10–7 to 2.8 × 10–5	4.1 × 10–6
Acy	0.001	2.3 × 10–7 to 1.7 × 10–5	5.7 × 10–6	3.2 × 10–7 to 1.4 × 10–5	2.6 × 10–6
Flu	0.001	8.5 × 10–7 to 3.5 × 10–5	1.0 × 10–5	1.2 × 10–5 to 4.7 × 10–5	9.3 × 10–6
Phe	0.001	8.9 × 10–6 to 4.4 × 10–4	1.7 × 10–4	9.5 × 10–6 to 4.6 × 10–4	8.7 × 10–5
Ant	0.01	8.4 × 10–6 to 2.3 × 10–3	3.5 × 10–4	8.9 × 10–6 to 8.2 × 10–4	1.5 × 10–4
Fla	0.001	4.4 × 10–6 to 5.0 × 10–4	2.3 × 10–4	3.7 × 10–6 to 5.9 × 10–4	9.9 × 10–5
Pyr	0.001	3.9 × 10–6 to 4.9 × 10–4	1.9 × 10–4	2.5 × 10–6 to 4.7 × 10–4	7.5 × 10–5
BaA	0.1	1.2 × 10–3 to 6.7 × 10–2	1.9 × 10–2	9.4 × 10–5 to 3.2 × 10–2	4.4 × 10–4
Chy	0.01	6.3 × 10–5 to 5.1 × 10–3	2.2 × 10–3	2.6 × 10–5 to 3.8 × 10–3	6.4 × 10–4
BbF	0.1	1.3 × 10–3 to 0.125	5.4 × 10–2	1.4 × 10–4 to 4.4 × 10–2	6.8 × 10–3
BkF	0.1	7.8 × 10–4 to 6.4 × 10–2	3.1 × 10–2	1.0 × 10–4 to 2.4 × 10–2	3.5 × 10–3
BaP	1	7.9 × 10–3 to 0.943	0.259	7.6 × 10–4 to 0.289	3.9 × 10–2
InP	0.1	2.3 × 10–2 to 7.6 × 10–2	4.9 × 10–2	7.9 × 10–5 to 2.9 × 10–2	3.9 × 10–3
DahN	1	0.186–0.458	0.312	1.2 × 10–3 to 2.6 × 10–2	3.6 × 10–2
BghiP	0.1	9.4 × 10–4 to 2.5 × 10–3	3.0 × 10–3	1.1 × 10–6 to 8.6 × 10–4	1.1 × 10–4
Σ7PAH	–	0.024–2.9	0.729	0.002–0.654	0.095
Σ16PAH	–	0.024–2.937	0.733	0.003–0.656	0.096

Σ₇PAHs: 7 kinds of carcinogenic PAHs (BaA, Chr, BbF, BkF, BaP, InP, DahN); Σ₁₆PAHs: 16 kinds of priority control PAHs.