LadyTevar wrote:Shep, would you like to explain why the
first link you posted has this warning on it?
Considering that the table I consulted on page 2 of that that document is referenced:
Edgar, T. F. 1983. Coal Processing and Pollution Control. Houston, Tex.: Gulf Publishing; so fucking what?
I'm sure you can find that book in any reputable university library to check for accuracy, or do you need me to drive down to the University of Maryland at College Park and take a photograph of the fucking revelant page of that book at the Engineering and Physical Sciences Library?
Page 14 of that PDF on the guidelines for Coal Processing are so enlightening. Oil, Cadmium, Chromium, Copper, Cobalt, Zinc, Lead, Iron, Nickel, Mercury, Vanadium, Manganese, Phenol, Cyanides, etc etc acceptabul limits.
In the end it doesn't matter what kind of mine is used, surface or underground or how careful you are in digging the damn stuff out, because the coal has to be processed BEFORE it can be used, all more so now that Clean Air regulations are now in effect, meaning more processing of coal before it's burned; which means more fun stuff like Mercury etc is leached out of the coal at the production site (West Virginia) before it's sent to the point of use (power plant in Virginia).
A Coal Executive would of course have all the best statistics at his disposal to make his case.
Course he would. Same as how a Targeteeer would have all the best statistics at his disposal to point out how a pre-emptive nuclear first strike is safer than absorbing a disarming Red First Strike.
It seems that out of a 200ft cliff-face, they have only 5-8ft of coal seam.
Actually 18~ feet.
Hummm...6,000 ft long cut; 450 ft wide cut, and 180 ft high cut; that's 486,000,000 ft3 of stuff that's moved during the operation to get to the coal; and that's roughly a block 16,000 feet long, 500 feet wide, and 60 feet high; or about a valley some three miles long filled up. Which you know, isn't that big.
Course, in real life, the actual amount of crap moved would be much less; since the slope of the mountain would subtract a lot of volume; but for a rough SWAG, a rectangular block works fine.
So.... the stats Shep gave on employment were for ALL surface operations, not just coal. That skews the tally a bit, doesn't it?
Good catch there. I went off the first page, not the second in that PDF. Doom on Me.
Second page goes into more detail; and I'll just throw in the contractors as well:
Underground Coal Operator/Contractor: 42,989 with 21 deaths in 2007
Surface Coal Operator/Contractor: 79,947 with 13 deaths in 2007
Running that through the average worker year of 2,080 man-hours gets you a fatality rate of:
Underground Coal Miner: 0.23 fatalities per million man hours worked.
Surface Coal Miner: 0.08 fatalities per million man hours worked.
So yeah, if you work as a underground coal miner, you are three times as likely to die as a surface coal miner.
Additionally, as I mentioned earlier; the types of deaths that occur in a surface mining incident are more of outliers; such as guy in 2.5 ton truck gets run over by 190 ton haul truck in bad weather/fog; guy gets his coat snagged in a conveyor belt and is dragged/crushed in the gears, as opposed to mass death incidents like the recent methane gas explosion which killed 25 guys at the BBM.