Identify Any Fallacies in the Following Passage Either by Naming

Identify any fallacies in the following passage either by naming them or, where they seem not to conform to any of the patterns described in the text, by giving a brief explanation of why the fallacious reasoning is irrelevant to the point at issue.
"Look, the governor's office is supposed to list chemicals that are suspected to be poisonous, but let's not put them on the list officially until we know for sure that they're harmful. Otherwise, we just cause a lot of unnecessary trouble for the people who make and use the chemicals."