Definitely need to stop using data bass as the end all be all. Good resource to look at though.\n\nIt's not an end all, but is consistent in his measurement method, and follows a standard. It's a great resource as the testing is very thorough. So no I want stop using his data. Other than a couple of others, ie James, they are the standard we have. The NRC measurements are great due to conditions, which most would never be able to replicate.