Survey: Uncontrolled Ammonia Release Fault Tree

Please complete this survey by October 2, 2025 (5 pm).

In this survey, we will ask you to review the ammonia release fault tree and see if:

Any failure scenarios are missing; and
Any of the existing scenarios are unclear/ambiguous.

If you are not familiar with fault trees, please watch the short video tutorial that describes how to read a fault tree.

NOTE: We encourage you to complete this survey in one sitting, but if it's not possible, please keep this page open on your browser (it will not time out) until you are ready to submit it. Do not click on the survey link again as that will remove your current responses.

View the ammonia release fault tree

Watch the video tutorial on how to read fault trees

What is your role/job title?

* required

Owner

Refrigeration Operator

Ice Facility Operator

First Class Power Engineer

Second Class Power Engineer

Third Class Power Engineer

Fourth Class Power Engineer

Contractor

Other (please specify)

Years of experience in role(s)?

* required

Maximum 255 characters

0/255

After reviewing the fault tree, did you find any part of it unclear or ambiguous?

* required

Yes

No, everything was clear

Are there any failure scenarios missing from the fault tree?

* required

Yes

No, I can't think of any missing failure scenarios

Contact Information

We are collecting contact information as part of this survey, in accordance with our privacy policy.

Your individual responses will remain confidential.

We may contact you to clarify your responses, or if you have registered for the upcoming fault tree workshops.

First name

Maximum 255 characters

0/255

Last name

Maximum 255 characters

0/255

Organization/affiliation

Maximum 255 characters

0/255

Email address