The distribution of synthetic anionic surfactants in soils and related water in the vicinity of Nanjing City and Wuxing County,Jiangshu Province is studied by Azure A colorimetry.The SAS concentration in the soils ranges from 0.14mg/kg to 3.84mg/kg,while that in related water ranges from 0.17mg/L to 0.46mg/L,varying with soil profile depth and land use patters.
