The National Response Center (NRC) will ask a caller to provide as much information about the incident as possible including: 

• Name, organization, and telephone number 
• Name and address of the party responsible for the incident 
• Date and time of the incident 
• Location of the incident 
• Source and cause of the discharge 
• Types of material(s) discharged 
• Quantity of materials discharged 
• Danger or threat posed by the discharge 
• Number and types of injuries (if any) 
• Weather conditions at the incident location 
• Other information to help emergency personnel respond to the incident