Table 2.
Detection frequencies of phenols, parabens and TCC and the number of samples for each sampling year.
| Year | No. of all samples | % of FMVs | % of Pools | % of 24-hour samples | Detection frequency (%) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BPA | BPF | BPS | TCC | TCS | MEPB | ETPB | PRPB | BUPB | |||||
| 2007 | 51 | 51 | 38 | 11 | 67 | 22 | 0 | 12 | 25 | 96 | 61 | 88 | 8 |
| 2008 | 121 | 58 | 34 | 8 | 63 | 22 | 5 | 3 | 30 | 98 | 56 | 88 | 11 |
| 2009 | 181 | 54 | 30 | 16 | 58 | 18 | 9 | 4 | 38 | 96 | 46 | 71 | 9 |
| 2010 | 112 | 48 | 35 | 17 | 59 | 13 | 14 | 4 | 38 | 96 | 51 | 82 | 5 |
| 2011 | 67 | 48 | 38 | 14 | 55 | 10 | 6 | 3 | 33 | 96 | 40 | 76 | 7 |
| 2012 | 65 | 46 | 31 | 24 | 62 | 17 | 26 | 5 | 43 | 95 | 54 | 78 | 11 |
| 2013 | 106 | 49 | 36 | 15 | 62 | 17 | 26 | 2 | 22 | 94 | 46 | 72 | 5 |
| 2014 | 57 | 36 | 47 | 17 | 42 | 9 | 32 | 14 | 23 | 91 | 51 | 77 | 4 |
Abbreviation: bisphenol A (BPA), bisphenol F (BPF), bisphenol S (BPS), triclocarban (TCC), triclosan (TCS), methyl paraben (MEPB), ethyl paraben (ETPB), propyl paraben (PRPB), butyl paraben (BUPB)