Network Code
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Description
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An identification of the the monitoring network(s) to which the monitor belongs.  A monitoring network is a group of monitors with common goals and procedures.  The Network Code is usually the acronym or abbreviation for the Network.

Business Rules
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Must be a valid AQS Network Code.

NCORE and PAMS can only be assigned by EPA Headquarters.

Allowable values: https://aqs.epa.gov/aqsweb/documents/codetables/networks.html