Well, I decided to go to the Google machine to find out how far homes are supposed to be from a refinery, and it varies from state to state. HUD operates under federal regs, and they say at least 300 feet, but some places it's allowed within 100. Here's a link..............
The U.S. Department of Housing and Urban Development (HUD) is home to the Federal Housing Administration (FHA). FHA insures home mortgages to help Americans buy homes. When considering whether a property is eligible for an FHA-insured loan, HUD requires that "a...
www.nrdc.org
But HUD goes further and states that "Operating and abandoned oil and gas wells pose potential hazards to housing, including potential fire, explosion, spray and other pollution.... No existing dwelling may be located closer than 300 feet from an active or planned drilling site. Note that this applies to the site boundary, not to the actual well site."
The mandated distance from an industrial facility to a home or other sensitive area is called a "setback." Some towns in Texas have setbacks of up to 1,000 feet from a home, fresh water well, school, hospital or public park.
Some places in the country, however, still have setbacks for homes that are less then 300 feet. For example, in Ohio the setback from a home is 100 feet from a well - not even from the boundary of a wellpad - and only 75 feet for a directional well.
So, you can see that it varies quite a bit.
As far as how safe is it to live from a refinery? Many medical experts say that you can suffer various serious problems if you live within 3 miles of one. Here's a lot of technical data if you're interested.....................
The association between proximity to oil refineries and cancer rate is largely unknown. We sought to compare the rate of cancer (bladder, breast, colon, lung, lymphoma, and prostate) according to proximity to an oil refinery in Texas. A total of ...
www.ncbi.nlm.nih.gov
And.....................here's some pictures of houses that are fairly close to refineries..................
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The Google machine is a wonderful device, it can help a great deal in sorting through all the bullshit that some people like to spew.