Table 4. Ratio of PAEs in samples exceeding allowable and cleanup concentrations in soils from vegetable greenhouses in Shandong Peninsula.

Soil depth (cm)	Ratio of samples exceeding allowable concentrations (%)						Ratio of samples exceeding cleanup concentrations (%)
	DMP	DEP	DnBP	BBP	DEHP	DnOP	DMP	DEP	DnBP	BBP	DEHP	DnOP
0∼10	94.6	89.2	97.3	0	2.7	45.9	0	0	0	0	0	0
10∼20	100	94.6	94.6	2.7	5.4	27	0	0	13.5	0	0	0
20∼30	89.2	97.3	89.2	0	0	21.6	0	0	2.7	0	0	0