Evaluate quality of environmental data distinction between 331313 (primary Al) and 33131B (331314, 331315,331318)

[WesIngwersen]

To support discussion #9

Look how GHG data are estimated for 331313 and the other 33131* industries and see if there is a good distinction.

https://www.census.gov/naics/?input=33131&year=2017

Optionally, look at non-GHG data included direct reported data like air emissions