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Old 06-14-2019, 08:25 AM   #61
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Good discussion on PCBs


Not mentioned is that the main harmful effect of PCBs is significantly lower fertility in male mammals, including men. PCBs, through their endocrine distrupter effect mock female hormones. They are a primary cause of the global decline in male fertility.


They will take a very, very long time to dissipate in our environment.


There isn't much mainstream coverage of the issue, because of the hyper-liability of those who produced them.


I'd be more inclined to the full hazmat treatment than gloves and a rag. You and your family could bear the direct consequences of being careless with them.
9 year old thread, last post 7 years ago...

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Old 06-14-2019, 08:01 PM   #62
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Once all the PCB's and asbestos have been cleaned up, what will be the next crusade?
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Old 06-14-2019, 09:41 PM   #63
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Climate change culminating in Pole Shift.
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Old 06-16-2019, 01:39 PM   #64
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The old GE transformer plant in Pittsfield Mass dumped/spilt tons of PCBs (600,00 pounds according to the EPA but most people think that estimate is only a fraction of the actual) into the ground and it leached into the Housatonic River. Polluted the river all the way to Long Island Sound in Bridgeport Conn. GE and the feds have spent millions on cleanup but the PCBs remain. This happened in the 30-70s and there are still warnings not to eat fish caught in the Housatonic.
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Old 06-16-2019, 07:18 PM   #65
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I have a particular interest for old fluorescent ballasts, the older the better! I found most of them in the scrap metal container at the local recycle centre. I've been quite surprised by the age of some of them!



Let's begin by these three. They've been made (from top to bottom) in 1971, 1962 and 1967. The only working one is the little one from 1967. I kept the empty case of the top one, and I've been dumb enough to throw away the middle one.... Fortunately I found today a similar ballast from the same year, but working! I found the three pictured almost two years ago.



More recent finds this time. Here are two ballasts from 1964, only the bottom one is working unfortunately.



Another one, also from 1964. It works, but the case is live for some reason (I learned it the hard way LOL)



And now the highlight! A GE ballast from September 1959! Amazingly it works like a charm, no noise. I don't know if it gets very hot, probably not, considering its (impressive) half-century of service!
they even older now
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Old 06-16-2019, 07:59 PM   #66
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The old GE transformer plant in Pittsfield Mass dumped/spilt tons of PCBs (600,00 pounds according to the EPA but most people think that estimate is only a fraction of the actual) into the ground and it leached into the Housatonic River. Polluted the river all the way to Long Island Sound in Bridgeport Conn. GE and the feds have spent millions on cleanup but the PCBs remain. This happened in the 30-70s and there are still warnings not to eat fish caught in the Housatonic.
Another GE plant on the Hudson in NY that made capacitors was also responsible for PCB pollution of that river.
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Old 06-17-2019, 12:03 PM   #67
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Askarel, Aroclor, and Pyranol were great for transformer and capacitor insulation because they had properties that were ideal. Never broke down, good insulators, didn't absorb water, and non-flammable.

Problem is that when they leaked or were dumped they exhibited those same properties, especially the never broke down part. When PCB's got into the water they contaminated the water we drink. Not good. But how bad?

"While PCBs have been classified as probable human carcinogens, there is no evidence that the low levels of PCBs in the environment cause cancer. Exposure to high levels of PCBs have primarily occurred through workplace exposure in people who work in plants that manufacture the chemicals. Studies of workers exposed to high PCB levels have shown association with certain types of cancer. These high levels of exposure have also been known to cause liver damage, skin lesions called chloracne, and respiratory problems. Exposure to PCBs during pregnancy can result in developmental and behavioral deficits in newborns."
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Old Today, 09:28 PM   #68
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Once all the PCB's and asbestos have been cleaned up, what will be the next crusade?


Toxic chemicals in LED drivers.


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