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Table 2 Parameters of joint probability curves (JPCs) for screened PPCPs

From: Occurrence and multiple-level ecological risk assessment of pharmaceuticals and personal care products (PPCPs) in two shallow lakes of China

ChemicalNMean (ng/L)SDCVShapiro–Wilk test for log-normal distribution
Exposure data set
 Caffeine1012.517.080.570.140
 Carbamazepine (Tai Lake)101.180.350.300.471
 Carbamazepine (Baiyangdian Lake)1013.264.930.370.056
 Diethyltoluamide10329.18117.480.360.062
 Sulfamethoxazole101.180.350.300.194
Toxicity data set
 Caffeine176,949,09023,411,5093.370.355
 Carbamazepine241,051,8283,858,9023.670.879
 Diethyltoluamide714,724,97519,980,9151360.066
 Sulfamethoxazole968,611165,1642.410.272
  1. N refers to number of data; SD refers to standard deviation; CV refers to coefficient of variation