Before revision: The term "extra" in the definition of the RSD refers to a risk from environmental exposure to the chemical of interest above the background risk that is always URL The formula to calculate the RSD for a chemical based on a one-in-a-million extra risk (10−6 risk) is: RSD = 0.000001 / CSF Potency Factor The CSF is also called potency factor and is used to calculate the Incremental Lifetime Cancer Risk by multiplying the CSF by the chronic daily intake (CDI).
After revision: The term "extra" in the definition of the RSD refers to a risk from environmental exposure to the chemical of interest above the background risk that is always URL The formula to calculate the RSD for a chemical based on a one-in-a-million extra risk (10−6 risk) is: RSD = 0.000001 / CSF Potency Factor The CSF is also called a "potency factor" and is used to calculate the Incremental Lifetime Cancer Risk by multiplying the CSF by the chronic daily intake (CDI).