Earlier quoted context omitted.
It’s not good to be inhaling flux either.
Generally speaking, if you can smell it, it’s not good for you to inhale.
Half of US population exposed to adverse lead levels in early childhood
91–100 of 102 posts
Re: Half of US population exposed to adverse lead levels in early childhood
#92Earlier quoted context omitted.
Yes, but by the time someone is trying to stop their neighbors from working on their own homes using the same mitigation techniques a licensed/insured contractor would, we're well past the point of discussing externalities and solidly into HOA-hellhole territory.
I think the point is that if they are _not_ using the same mitigation techniques, you have a right to prevent their DIY actions from poisoning you and your family. And if they don’t have a license or permit, how can you verify they are following best practice? Led contamination risk is definitely more serious than HOA-hellhole
> if they don’t have a license or permit, how can you verify they are following best practice?
What exactly do you think licenses/permits guarantee? At best, an inspector knows the least responsible crews and checks in on them more often. That's about it.
The only way you can actually verify someone is following best practices is to know what those practices are and observe their behavior. By expressing a belief that permitted professionals somehow automatically conform and DIYers automatically do not, one indicates that one has no idea what best practices actually are but yet feels qualified to judge anyway.
Re: Half of US population exposed to adverse lead levels in early childhood
#93Earlier quoted context omitted.
Generally speaking, if you can smell it, it’s not good for you to inhale.
Bad advice. There are a lot of odorless volatile compounds that will kill you. Human olfactory sense evolved to smell food, waste or rot; it didn't evolve to detect synthetic and contemporary chemicals invented in last 100 years.
Re: Half of US population exposed to adverse lead levels in early childhood
#94Does anyone know if lead levels matter much in adulthood? Found out my local water had lead, old municipal pipes. Drank it about ten years. Or possibly just two. Either way, wondering if I should be concerned or do anything beyond filtering the water (which I do now)
People have a lot of misconceptions about water infrastructure. Approximately 6-10M lead service lines still exist in today's world. ( https://www.epa.gov/ground-water-and-drinking-water/lead-ser... ) Most of that is kept away from you by treating water with a chemical that causes a rust layer to form over the lead, preventing it from getting into the water at dangerous levels. Phosphates are typically used for this…
Re: Half of US population exposed to adverse lead levels in early childhood
#95Earlier quoted context omitted.
Bad advice. There are a lot of odorless volatile compounds that will kill you. Human olfactory sense evolved to smell food, waste or rot; it didn't evolve to detect synthetic and contemporary chemicals invented in last 100 years.
Fallacy of the Inverse: https://en.wikipedia.org/wiki/Denying_the_antecedent
The only thing I am noticing that's left in my argument is that there are also bad chemicals that can be detected by human olfactory sense. My original point was that "Just because it has no smell, doesn't mean it is good for you", which is perfectly congruent and abdicates the fallacy you've listed.
Re: Half of US population exposed to adverse lead levels in early childhood
#96Earlier quoted context omitted.
People have a lot of misconceptions about water infrastructure. Approximately 6-10M lead service lines still exist in today's world. ( https://www.epa.gov/ground-water-and-drinking-water/lead-ser... ) Most of that is kept away from you by treating water with a chemical that causes a rust layer to form over the lead, preventing it from getting into the water at dangerous levels. Phosphates are typically used for this…
I wonder what happens after, say, an earthquake? Can pipes bend enough to cause cracks in the passivated layer and temporarily increase lead levels?
Re: Half of US population exposed to adverse lead levels in early childhood
#97Earlier quoted context omitted.
Fallacy of the Inverse: https://en.wikipedia.org/wiki/Denying_the_antecedent
How so? Care to elaborate? The only thing I am noticing that's left in my argument is that there are also bad chemicals that can be detected by human olfactory sense. My original point was that "Just because it has no smell, doesn't mean it is good for you", which is perfectly congruent and abdicates the fallacy you've listed.
And their point was that that being true doesn't make the comment you replied to "bad advice" as you claimed.
Re: Half of US population exposed to adverse lead levels in early childhood
#98Earlier quoted context omitted.
>> This amounted to a total loss of 824,097,690 IQ points, disproportionately endured by those born between 1951 and 1980 > At the risk of stating the obvious, IQ points aren't a measure and adding them up doesn't yield a meaningful number. It's like adding up the numbers on football player's jerseys; if the total of a team's numbers goes up, that doesn't make the team better. Similarly, a reduction in the total amou…
> What matters is that the number conveys a sense of magnitude. We collectively lost almost a billion IQ points! But losing a billion IQ points might be less bad than losing 10M IQ points, because there is literally no scale.
Maybe there is a bigger point I don't understand here (wouldn't that be ironic) but I only have about a hundred IQ points to play with and so does the average person (by definition?) so a billion IQ points is all the IQ points for ten million "average" people.
What am I missing?
Re: Half of US population exposed to adverse lead levels in early childhood
#99Earlier quoted context omitted.
Small plane fuel is still leaded. I know a few air fields in my area that were converted to housing developments and/or parks/retail/offices. I assume the ground is still contaminated in those areas, and any fruits from plants growing on it will be contaminated also. I also assume small planes rain down lead wherever they fly.
Just wanted to add that it's planned to be phased out by 2030 now[0]. Kind of insane they're giving them that long if you ask me but I guess it's better than nothing. [0]: https://www.faa.gov/newsroom/faa-industry-chart-path-elimina...
There's a few exceptions, like Cirrus and maybe Diamond, but almost all general aviation aircraft either predate those regulations entirely, or are in hardware configurations that predate those regulations and have been grandfathered. Sometimes - rarely - you get a new engine or whatever, but it's very rare that anyone goes for approval of a whole new airframe or anymore. It's the same reason Boeing prefers to add a dumb computer-assist system on the 737 MAX instead of just changing their airframe - change the airframe and you have to do a complete re-approval process.
In short, they are still using leaded gasoline because they're still using 1950s and 1960s engine designs (and in many cases, actual 60s/70s-production engines and airframes) because the FAA approval process makes it impossible/prohibitively uneconomical to replace them.
Not saying removing lead isn't important, but bear in mind this is essentially gutting public access to aerospace and aviation. We've already seen the loss of R/C aircraft as a hobby, the "feeders" into aerospace are getting pretty slim indeed.
Re: Half of US population exposed to adverse lead levels in early childhood
#100Earlier quoted context omitted.
I think the point is that if they are _not_ using the same mitigation techniques, you have a right to prevent their DIY actions from poisoning you and your family. And if they don’t have a license or permit, how can you verify they are following best practice? Led contamination risk is definitely more serious than HOA-hellhole
OP said nothing about evaluating their techniques, but rather a blanket " Don’t let your neighbors DIY exterior painting, scraping, or demolition ". > if they don’t have a license or permit, how can you verify they are following best practice? What exactly do you think licenses/permits guarantee? At best, an inspector knows the least responsible crews and checks in on them more often. That's about it. The only way yo…
Licenses confirm that the person doing the work is trained in the best practices + safety for the work that they are doing. Permits ensure that they have filed a plan with the city/state that matches safety regulations, and that this plan is available for the public to review and comment on. It doesn't guarantee automatic conformity, but it shows that their plans have been confirmed _and_ provides an avenue to verify that they are conforming to those plans.
I can't confirm everything that a doctor does either, but I'd still much rather see a licensed one than an unlicensed one.