| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Great sleuthing! I don't know much about N02... i assume it's regulated... I wonder if that plant is always spewing it and if it's legal. " | Read more » | about 10 years ago | |||
| nicholas | " With a quick search I found this (http://www.epa.gov/ttnemc01/methods/VECourse.pdf) and on page 3-6 it talks about visible gases being nitrogen di..." | Read more » | about 10 years ago |