=== 3.4	Incident documentation ===

Incidents that are determined to be a Level III or Level IV shall be documented and information shall be retained for a minimum of five (5) years.  Documentation shall include:
  - An incident log indicating times of responses, actions taken and individuals involved from the initial call to the conclusion of the event.
  - Copies of all communications made via telephone, email or in the form of press releases.
  - Copies of all reports made to regulatory agencies.
  - Copies of police reports, fire department logs, and/or contractor spill response documentation.
  - Any applicable Material Safety Data Sheets, Chemical information, or other related information.
  - Copies of all analytical reports, waste determinations or other relevant technical data.
  - Copies of invoices and costs associated with food management and sheltering operations. 
  -  Logs or sign-in sheets associated with sheltering operations.
  - Descriptions of corrective actions taken, noting any exposures to individuals or the environment.
  - Copies of individual reports or statements from emergency responders, victims or witnesses.
  - Copies of all newspaper articles associated with the emergency.
  - Accident investigation documentation. Include any hazard assessments, risk assessments or root cause analyses that have been conducted to determine the primary and contributory causes of the emergency event.
  - A post-emergency critique of the incident with recommendations for plan modifications or preventive measures.