Worst Site Type

Description

Within a particular monitoring area, those monitors with the highest PM10 concentrations must have their worst site type set to 1, and are expected to monitor at the recommended collection frequency. Other monitors must be classified as either not worst site monitors or monitoring on an accelerated schedule, but not at the recommended collection frequency.

Value

Description

1

Classified as having the highest PM-10 concentration and is expected to monitor at recommended sampling frequency.

2

Classified as not being a worst site monitor.

3

Monitoring on an accelerated

Business Rules

Required for PM-10. Not allowed for other pollutants.

Required if any monitor Pollutant Area Code values are populated and Pollutant Area Code is “Monitoring Area”. Not allowed if no Pollutant Area Codes populated with Pollutant Area Code of “Monitoring Area”.