Acid Mine Drainage, a Report ... by Division of Water Supply and Polution Control, Public Health Service, U.S. Department of Health, Education, and Welfare.87-21962 - 24 lappuses |
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abandoned coal mines abandoned mines abate acid acid drainage problem acid formation acid mine drainage acid mine water acid reduction acid water acid-polluted streams active mines amount annual anthracite areas bituminous coal boats chemical coal mine drainage coal seam corrosive cost damages Department of Health effect Engineering Experiment Station estimated ferric ferrous sulfate fish food fish food organisms flow geological industrial water supplies inhibitor Juniata River ment million mining waste Monongahela River municipal and industrial navigation equipment neutralization Ohio River Basin Ohio River pollution Ohio State University oxidation Pennsylvania percent pickling liquor Pittsburgh plant pollution problem Public Health Service pumping quantity of drainage region Report River Drainage Basin River pollution survey Sealing Abandoned Sealing of abandoned sealing program silt sport fishermen structures sulfuric acid surface water Susquehanna tion toxic treatment U.S. Public Health Water Pollution Series water problems Water Resources West Fork River West Virginia University
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13. lappuse - A joint project was set up with the Los Angeles Air Pollution Control District, the US Public Health Service, the US Bureau of Mines, and the California Department of Public Health. After many months of work and many thousands of dollars, it was concluded that a decrease in olefin content below that which was currently found in Los Angeles County gasolines would not reduce the smog potential of the automotive exhaust. This work has been...
6. lappuse - ... move the metropolis to the water supply, so we must move the water supply to the metropolis. Another water need is a reflection of our culture and growing economy. Within a generation, the leisure time and incomes of Americans have increased greatly with the result of an annual outlay for recreation of $40 billion, or more than 8 percent of the gross national product. In 1960 an estimated 30 million Americans participated in sport fishing and hunting. The pleasure boating industry, one of the...
5. lappuse - ... drainage at the mine to neutralize it. Many processes have been tried, all of which have been impractical not merely for one but for at least three major reasons. At this point it is appropriate to quote from a report of the United States Public Health Service, namely, Acid Mine Drainage Studies which is supplement C to final report to the Ohio River Committee, Ohio River Pollution Survey.
17. lappuse - ... deep-well pumps, of the vertical turbine type, to be placed in shafts or boreholes of idle and abandoned mines for the purpose of controlling the level of the mine water pools and preventing overflow into adjacent active mines. 2) Stream bed improvement to eliminate or at least materially reduce stream bed seepage by lining the old channels with concrete slabs or bituminous coatings, or by relocating channels onto noncaving or impervious ground or conducting the flow over broken and subsided...
16. lappuse - ... 82 of the General Assembly, appropriated $8.5 million, to be matched by contributions from the Federal Government, for executing such a program and directed the Secretary of Mines and Mineral Industries to construct ditches and flumes, backfill stripping pits, and crop falls; to improve stream beds for the purpose of preventing flow of surface water into mines; and to purchase and install pumps, pipes, machinery, equipment, and materials to pump water from abandoned mines. The Act also stipulates...