7873fa0f_Board_Meeting_Minutes_1_10_01__Response__abridged_
[Questioner] Shane Bellis [Question] Why does the residential scenario assume that an onsite receptor would drink groundwater instead of city water? [Response (abridged)] 
The residential scenario, which is the most conservative CERCLA scenario, was used for consistency in calculating risk. Its highly unlikely that residential use would ever be considered.
Board Meeting Minutes 1/10/01
Response (abridged)