MC - Monitor Type
-----------------

The monitor type transaction allows the user to set the admistrative classifiation of a monitor.


Rules
^^^^^

The monitor type assignment for a production monitor cannot be changed, (i.e., updated or deleted), in a manner that would leave any portion of that monitor's sample periods without a monitor type assignment.


Examples:

.. code-block:: text
   :caption: MC transaction in default mode

   MC|I|06|001|0007|88101|3|SLAMS|20110301|

.. code-block:: text
   :caption: MC transaction in Tribal mode

   MC|I|TT|614|7004|81102|1|TRIBAL|20020701|




Format
^^^^^^

.. list-table:: MC - Monitor Type transaction format
   :widths: 1 5 15 4 3 1
   :header-rows: 1


   * - Seq.
     - Name
     - Description
     - Formatting Rules
     - Required
     - Key
   * - 1
     - `Transaction Type <Transaction%20Type.html>`_
     - Monitor Type Info transaction identifier.
     - Must = MC
     - Always
     - 
   * - 2
     - `Action Indicator <Action%20Indicator%20for%20Transaction.html>`_
     - Indicator for Insert, Update, or Delete action.
     - Must = I, U, or D
     - Always
     - 
   * - 3
     - `State Code / Tribal Indicator <State%20Code.html>`_
     - The FIPS state code of the monitor, or "TT" to indicate that the next field on the transaction is a Tribal code.
     - Must exist in STATES Reference Table or be 'TT' for Tribal Site
     - Always
     - Y
   * - 4
     - `County Code / Tribal Code <County%20Code.html>`_
     - The FIPS County Code of the site.  If the previous field on the transaction contains "TT", then the Tribal Code of the site.
     - Must exist in COUNTIES (for state) or TRIBAL_AREAS Reference table
     - Always
     - Y
   * - 5
     - `Site Number <Site%20Number.html>`_
     - Four digit number to uniquely identify site in county and/or tribe.
     - Must exist in SITES table with {State Code, county Code} or Tribal Code
     - Always
     - Y
   * - 6
     - `Parameter Code <Parameter%20Code.html>`_
     - The AQS parameter code assigned to the monitor in AQS.
     - Must exist in PARAMETERS reference table.
     - Always
     - Y
   * - 7
     - `POC <POC.html>`_
     - Parameter Occurrence Code:  One or two digit number identifying a specific monitor for a parameter at the site.  
     - Must exist in MONITOR table for non-Insert actions.
     - Always
     - Y
   * - 8
     - `Monitor Type <Monitor%20Type.html>`_
     - The monitor's administrative classification as determined by the purpose for the monitor in the agency sampling strategy.
     - Must exist in MONITOR TYPES reference table.
     - Always
     - Y
   * - 9
     - `Monitor Type Begin Date <Monitor%20Type%20Begin%20Date.html>`_
     - The date on which the monitor type assignment went into effect.
     - YYYYMMDD.
     - Always
     - Y
   * - 10
     - `Monitor Type End Date <Monitor%20Type%20End%20Date.html>`_
     - The date on which the monitor type assignment ceased being in effect.
     - YYYYMMDD.
     - No
     -