Sub-module 5A, page 7
Homework
Now you will expand the Ghost Road example by assuming: there were significant amounts of PCP found in the water and there is a pipeline boom on and the old Gooder School will be reopened next year. I have expanded the SCEM with blanks and numbers. I tried to structure is so that there is only one right answer for each number.
First the increment from the contaminate lake water. For simplicity, assume that Dermal contact with dust from the secondary source and incidental ingestion of that dust only occurs near the secondary source. This may be a good assumption if most of the contaminated dust at distance sites comes from the primary source.
Now here is the increment for the re-opening of the school.