Application of probabilistic methods to address variability and uncertainty in estimating risks for non-cancer health effects

Table 5 Comparison of probabilistic approaches to estimating pce neurotoxic risk and comparison to cancer risk

PCE Exposure	Exposure Basis	95% CL Risk	Risk Description
0.004-0.02 ppm	Dose for 1/1000 95% LCL, IPCS/Chiu	1 per 1000	HD_.05^0.1% (see Table 3 and 4 for definition and derivation)
0.0059 ppm^a	USEPA 2012b RfC	0.3 to 1.5 per 1000	Probabilistic risk at level of the RfC based upon IPCS/Chiu et al. 2018
0.0059 ppm^a	USEPA 2012b RfC	1 per 100,000	Cancer risk

ISSN: 1476-069X