19085-1701857-UL_Prop_65_Test_Results_2019

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CA Prop 65 Cumene NSRL February 11, 2019 Page 8 | 12

NSRL=

10

-5

x 70kg

CSF

human

× 1000 µg/day (Equation 1)

Thus, for a 70-kg adult, the intake level posing no significant cancer risk under Proposition 65 is

developed using the human cancer potency estimate of 0.191 (mg/kg-d)

-1

for cumene, based on

mouse lung cancer data. Using Equation 1, and the conservative parameters described herein,

the NSRL value of 3.7 μg/day was derived for cumene.