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Davis Recycling Incorporated

MARYLAND
We BUY Nationally. We will come pick them up.
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Links
MARYLAND DEPARTMENT OF ENVIRONMENTAL PROTECTION
1800 Washington Blvd, Baltimore, MD 21230
Tel:(410) 537-3000 Toll Free:(800) 633-6101
MARYLAND DEPARTMENT OF NATURAL RESOURCES 580 Taylor Avenue, Annapolis, Maryland 21401
1-877-620-8DNR (8367)
(Out of State) 410-260-8367

Laws and Regulations
1988 law set 20% waste reduction goal by January 1, 1994; 15% for smaller counties; all counties in the state met 1994 goals. In 1999, 36% rate was reached and goal was increased to 40%.

Catalytic Converter Companies
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Educational Opportunities

  • Recycling in Maryland
  • University of Maryland Recycling
  • Maryland Association of Environmental and Outdoor Education
  • News
    Maryland Motor Vehicle Administration
    Why didn't my vehicle pass the Maryland VEIP emissions test(s)?
    There are many reasons why your vehicle may have not passed the test(s).
    The most common are:

    1. Hydrocarbon (HC) failure
    2. Carbon monoxide (CO) failure
    3. Oxides of nitrogen (NOx) failure
    4. On-board diagnostic (OBD) failure
    5. Emission control equipment was removed or altered
    6. Gas cap leaking

    ReasonPossible Causes
    Hydrocarbon (HC) failure- exceeds established standards for hydrocarbon[Return to Question]
    Air to fuel mixture may be too lean or too rich.
    Positive Crankcase Ventilation (PCV) valve may not be functioning properly (if equipped).
    Vacuum leak in the system.
    Exhaust Gas Re-Circulation (EGR) system may not be functioning properly (if equipped).
    Ignition timing may not be properly set.
    One or more spark plugs may not be performing as they should.
    Catalytic converter may be partially clogged or not properly functioning.
    Ignition system parts are not working properly.
    Internal engine parts or equipment may not be functioning.
    Various engine sensors may not be functioning.
    Carbon monoxide(CO) failure- exceeds established standards for carbon monoxide


     

    [Return to Question]
    Air to fuel mixture may be too rich.
    Idle speed is not correct.
    Air filter may be partially clogged.
    Choke may not be operating properly.
    Positive Crankcase Ventilation (PCV) valve may not be functioning properly.
    Air or fuel problems, other equipment or engine malfunctions.
    Catalytic converter may be partially clogged or not properly functioning.
    Engine oil may be dirty and needs changing.
    Various engine sensors may not be functioning.
    Oxides of nitrogen (Nox) failure - exceeds established standards for oxides of nitrogen emissions.

    [Return to Question]

    Engine air to fuel mixture may be too lean.
    Engine’s oxygen sensor may not be functioning properly.
    Improper operation of the Exhaust Gas Re-Circulation (EGR) system (if equipped).
    Malfunction of the engine spark advance system.
    Air intake temperature may be too high.
    Cooling system may not be functioning properly.
    Catalytic converter may be partially clogged or not properly functioning.
    Carbon deposits on the engine intake valves.
    On-board diagnostic (OBD) failure- OBD system identified Diagnostic Trouble Codes (DTC) or a Faulty Malfunction Indicator Light (MIL) [Return to Question]
    The vehicle’s on-board diagnostic system has identified one or more emissions control components that are malfunctioning.
    The vehicle’s Malfunction Indicator Light (MIL) on the dashboard is not functioning properly.
    Emissions control equipment[Return to Question]
    If the emissions control equipment is not present or has been disconnected the vehicle will not pass the inspection.
    Gas cap leak check[Return to Question]The gas cap does not fit properly and could be leaking vapors.

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