Residents of springfield, u. s.a. rely on the shelbyville aquifer for drinking and irrigation water. recently, residents have been concerned that the water has a foul odor (similar to that of rotten eggs) and that the crops are beginning to wilt. you are the experienced ehs who has been contacted by the springfield, u. s.a. city council to investigate these concerns. you immediately suspect that the groundwater has been contaminated but you must first compose an action plan (including justification) that identifies the following:

a. the tentative identification of the most likely pollutant causing the unpleasant odor and the crops to wilt,

b. the specific laboratory analysis you will conduct to qualify and quantify the tentatively identified pollutant causing the unpleasant odor and crops to wilt,

c. the potential source(s) of the pollutants causing the unpleasant odor and the crops to wilt, and

d. one remedial effort to reduce the introduction of the pollutant into the shelbyville aquifer.