 leached the chemicals in the firefighters through their skin, ingestion, and inhalation, and that the process is worsened as temperatures rise and sweat builds up. Jim Cressula, CBS News. Circled the date on the calendar, October 4th through the 14th. That is the date period for the 206th edition of the Topsfield Fair, and tickets are now on sale. The fair folks say advanced admission tickets, which are discounted from regular tickets...