rectified version with concentration terms. Last version was corrupted by git.
Add terms from Edmonton meeting:
ComputedConcentration terms under object attribute
Library based computed concentration
https://docs.google.com/spreadsheets/d/1egsLQWoQuCxAYPr9MIo-F0A5K9RCbJSC8yWZyYq_fiQ/edit?usp=sharingLorenzian (-Integration) (Modeled Area) Estimated Concentration
Measured Area (Integration) based Concentration
time-domain amplitude computed concentration