. 2017 Jul 19;125(7):077012. doi: 10.1289/EHP742

Table 1.

Top-ranking chemicals according to their individual risk indices. Those chemicals are in the top left corner of Figure 3.

ExpoCast name	CAS number	Risk index^a
Letrozole	112809-51-5	$- 2.99$
Estrone	53-16-7	$- 3.41$
Fulvestrant	129453-61-8	$- 4.30$
Triflumizole	68694-11-1	$- 4.81$
2,4,7,9-Tetramethyl-5-decyne-4,7-diol	126-86-3	$- 5.11$
n-Methyl-2-pyrrolidone	872-50-4	$- 5.49$
Rhodamine 6G	989-38-8	$- 5.51$
Anastrozole	120511-73-1	$- 6.04$
Fenvalerate	51630-58-1	$- 6.05$
Imazalil	35554-44-0	$- 6.31$

^{^a}

$Risk index = W \times \log_{10} (E_{95} / A C_{50})$ , where $E_{95}$ is the 95th percentile of the exposure values sampled, W is the Hill exponent, and AC50 the half-maximal response.