Journal of Chemistry / 2015 / Article / Tab 4

Research Article

Harmful Chemicals in Soil and Risk Assessment of an Abandoned Open Dumpsite in Eastern China

Table 4

Pollution status of inorganic pollutants and heavy metals at the open dumpsite.

Sample code Concentration of inorganic pollutants and heavy metals/mg⋅kg−1
PointsDepth (m)Total fluoride Total cyanide AsCrCuPbNiZnHg

S12.0 266ND15.244.412.912.820.348.2ND
5.0 539ND20.571.431.519.441.286.0ND
8.0 262ND13.244.510.611.518.339.3ND
9.6 479ND15.966.828.419.134.779.30.05

S22.0 297ND14.342.612.510.520.041.9ND
5.0 560ND24.276.231.719.742.287.0ND
8.0 305ND12.546.012.212.520.341.8ND
11.0 531ND22.274.331.619.439.085.9ND
15.0 386ND15.746.214.513.623.450.3ND

S31.0 439ND18.868.021.614.731.466.3ND
4.0 610ND21.072.327.919.136.679.8ND
7.0 286ND17.948.211.510.819.642.5ND
10.6 505ND20.375.333.921.441.291.7ND

S40.5 2561.112.1115.045.741.528.9399.00.12
1.9 284ND17.943.611.811.120.643.4ND

S51.0238ND14.9116.053.044.037.2130.00.43
2.0 537ND23.873.030.518.140.184.20.05

Average 398.82 17.67 66.11 24.81 18.78 30.29 88.04
Environmental background values of Shandong 499NA 8.765.221.724.32361.90.016

Soil environmental criteriaChinaaNANA30200100300502500.5
Beijingb, China6503002025060040050350010
USEPAc310016000.39NA310040037002300010
USEPAdNANA18NA7012038160NA

Secondary standard of environmental quality standard for soils (China, 6.5 < pH < 7.5); bscreening values for environmental risk assessment of sites under residential land use pattern (Beijing, China); cRSLs under residential land use pattern (USEPA); dEco-SSLs (higher plants as protected objects). ND: some pollutants are not detected. NA: some pollutants are nonexistent in one standard.

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