Using the Agency for Toxic Substances & Disease Registry (ASTDR) website,, answer the following questions related to a spill scenario.

  • A railcar of hazardous wastes containing methylene chloride (CAS # 75-09-2) is leaking near a residential neighborhood. As the subject matter expert, what are the key toxicological and health concerns associated with the chemical that has spilled onto the ground?
  • What properties of methylene chloride would you use to determine if the local residential area should be evacuated?
  • What personal protective equipment should emergency responders wear when coming into contact with the waste?
  • What health concerns are identified on the Medical Management Guidelines for methylene chloride?