Whenever an accident occurs that relates to the operation an anhydrous ammonia installation and causes personal injury requiring professional medical attention, the owner or operator shall report the facts involved to the department within 2 business days.
Wis. Admin. Code Department of Safety and Professional Services SPS 343.16
Accidents may be reported by calling the department district inspector where the installation is located or the department's Waukesha office at 262/548-8617 during normal business hours. The State Division of Emergency Management can be contacted at 800/943-0003 during nonbusiness hours.