In 1908, H. Chick reported an experiment in which he disinfected anthrax spores with a 5% solution of phenol. The results of his experiment are tabulated below. Assuming the experiment was conducted in a completely-mixed batch reactor, determine the decay rate constant for the die-off of anthrax.
Concentration of survivors (number/mL) Time (min)
398 0
251 30
158 60
List the possible routes by which humans can be exposed to toxic chemicals in the following media:
Groundwater
Air