ETA: Read the comments below. Although no one has questioned that I and other protestors are correct that we’re getting low doses of tear gas throughout the evening, commenters much more knowledgeable than I am about this stuff have a much better hypothesis for how this is happening: without rain in Portland, the toxic powder that is called tear gas settles on surfaces, but remains potentially active. When kicked up by activity, it can be breathed in with no more difficulty than it is during initial pyrotechnic dispersal. Because so much tear gas powder has been released into the environment and because summer is a very dry season in Portland, the normal human activities associated with walking around the area, sitting on benches, etc., are kicking up a lot of still active tear gas. This makes the ongoing, low-dose toxicity and associated persistent hellishness almost certainly unintended by the Feds. Of course, I don’t think they regret it at all either. In any case, don’t skip the comments. I am lucky enough to have better quality commenters than most.
Okay, what’s up with the tear gas, Feds?
We know you release whole canisters of the stuff, and sometimes drop 20 canisters at a time (yes, I know it’s hard to tell exactly how many, but 20 seems roughly accurate during larger offensives). We know you do it to punish people rather than to aid in crowd dispersal because, look! You drive people away for less than 5 minutes before they’re back at the fence!