You will likely want to be certain that you have the appropriate personal protective gear. There are a number of suppliers, including Lab Safety and Grainger . There are a number of good sites that provide health information related to flood situations. One is provided by the CDC and provides an overview of flood recovery concerns and another has been developed by the University of Vermont . Both are worth careful reading.
Ventilation is the most effective way to dry out structure interiors.
While air conditioning and supplemental dehumidification work well, they are far more expensive. Heat should not be used since it will raise the RH and encourage mold growth. Install high velocity air circulators. These are heavy duty, industrial fans that are intended to move large volumes of air on a continuous basis. Your goal will be to keep the air moving to not only facilitate the drying out process, but to also reduce the potential for mold .