If I could make one change I would require more thorough scrutiny for any product that we know is going to persist in the environment for a long time. The half

If I could make one change I would require more thorough scrutiny for any product that we know is going to persist in the environment for a long time. The half life of your new plastic is 10 years due to UV degradation? Great you can use that only moderate safety studies. The half life of your new waterproof coating is 100 years? Let's do some pretty serious studies. Half life of this gasoline additive is basically forever? Um, maybe don't use that.