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本文对现试行的绿色食品产地土壤污染状况综合评价分级标准的修正提出几点建议：产地土壤污染评价综合指数值应保留小数点后两位有效数字；综合分级标准应采用：１级，Ｐ综≤０．７２；２级，０．７２＜Ｐ综≤１．４４；３级，１．４４＜Ｐ综≤２．１６；４级，Ｐ综＞２．１６。
In this paper, some suggestions are put forward to amend the present grading standards of comprehensive evaluation of soil pollution status in the producing areas of green food: the comprehensive index of soil pollution in producing areas should retain two significant digits after the decimal point; the comprehensive grading standard should be adopted as follows: Class 1, 0.72; Level 2, 0.72
2.16.