Secondly, the UK Contaminated Land Exposure Assessment (CLEA) model was choosed to derive SGVs and estimate health risk after model comparision and applicability evaluation.

• 其次，经模型比较及适用性评价后，选定英国的污染土地暴露评价模型(CLEA)来获取土壤的指导限值并进行健康风险评价。