7VanCott R J, McDonald B J, Seelos A G. Standard soil sample preparation error and comparison of portable XRF to laboratory AA analytical results [ J]. Nuclear Instruments and Methods in Physics Research, 1999, A422:801 -804.
8McCanley Dennis J, DeGraeve G M, Linton T K. Sediment quality guidelines and assessment : overview and research needs [ J ]. Environmental Science & Policy.2000. (3):S133- S144.
9Müller G. Index of geoaccumulafion in sediments of the Rhine River[J].Geo J, 1969,2:108- 118.
10Hankason Lars. An ecological risk index for aquatic pollution control:A sedimentological approach [ J ]. Water Res, 1980,14 : 975 - 1001.