1. Refer to the RIA for the revised lead ruling discussed in Application 9.2.
a. Mathematically confirm that the estimate of Benefit
Category Mortality Monetized Benefits ($1990 billions)
|
the present value of net benefits (PVNB) is
|
Short-term exposure
|
$2.950
|
|
approximately $5.9 billion, as stated.
|
Long-term exposure
|
2.860
|
b. Discuss how the PVNB would have changed if the EPA had used a social discount rate of 8 percent.