I looked into a new fragrance oil and it says that even small concentrations could be harmful to groundwater. I made a batch of soap with it, and am seriously wondering if the levels used in soap are really going to have a negative impact on the water we drink. I'm just kinda shocked with tons of questions. I guess I have become desensitized to the alarmist sound off "fragrance oils are going to kill you" speech, but when I'm personally responsible for the damage I just sit here wondering if what I want out of my soaps is ecologically responsible. Any inputs?