One of the problems here is that under Obama especially, and generally under the green-Marxism now instilled in many higher education and governmental organizations since the first "Earth Day",
there no longer exists any reason for faith and trust in their analysis, warnings and reports. We are flying blind. THAT IS NOT GOOD.
That's why I always go back to the old data, when regulatory levels were more risk-based. We are just as safe using older regulatory levels.
The newer ones are politically driven or generated to justify regulatory programs (if you are already safe, there is no more work to do).