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  2. Landfill liner - Wikipedia

    en.wikipedia.org/wiki/Landfill_liner

    A landfill liner, or composite liner, is intended to be a low permeable barrier, which is laid down under engineered landfill sites. Until it deteriorates, the liner retards migration of leachate , and its toxic constituents, into underlying aquifers or nearby rivers from causing potentially irreversible contamination of the local waterway and ...

  3. AP United States Government and Politics - Wikipedia

    en.wikipedia.org/wiki/AP_United_States...

    The material in the course is composed of multiple subjects from the Constitutional roots of the United States to recent developments in civil rights and liberties. The AP United States Government examination covers roughly six subjects listed below in approximate percentage composition of the examination. [2]

  4. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in 2005 by Andrew Sutherland as a studying tool to aid in memorization for his French class, which he claimed to have "aced". [6] [7] [8] ...

  5. List of U.S. government and military acronyms - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._government...

    List of initialisms, acronyms ("words made from parts of other words, pronounceable"), and other abbreviations used by the government and the military of the United States. Note that this list is intended to be specific to the United States government and military—other nations will have their own acronyms.

  6. Liner - Wikipedia

    en.wikipedia.org/wiki/Liner

    Liner notes, text printed on or accompanying the sheaths, cases and other forms of packaging in which vinyl records, CDs, DVDs, etc., are stored; Bin liner, a protective layer fitted inside a bin; Landfill liner, a membrane placed at the bottom of landfills; Liner, an installation of well-drilling casing that does not extend to the surface ...

  7. Landfill - Wikipedia

    en.wikipedia.org/wiki/Landfill

    Landfill operation in Hawaii. The area being filled is a single, well-defined "cell" and a protective landfill liner is in place (exposed on the left) to prevent contamination by leachates migrating downward through the underlying geological formation. Landfills have the potential to cause a number of issues.

  8. Warren County PCB Landfill - Wikipedia

    en.wikipedia.org/wiki/Warren_County_PCB_Landfill

    [13] [14] Feeling pressure to act expeditiously and keep costs down, officials requested in their permit application for the landfill to be waived of three requirements then in place for such a facility's construction: a specified distance from groundwater, the presence of a leachate collection system, and the presence of an artificial liner. [15]

  9. AP Comparative Government and Politics - Wikipedia

    en.wikipedia.org/wiki/AP_Comparative_Government...

    Advanced Placement (AP) Comparative Government and Politics (also known as AP CoGo or AP CompGov) is an Advanced Placement comparative politics course and exam offered by the College Board. It was first administered in 1987.