Table 5 to Subpart AA of Part 63 - Calibration and Quality Control Requirements for Continuous Parameter Monitoring System (CPMS)

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If you monitor this parameter . . .Your accuracy requirements are . . .And your calibration requirements are . . .Temperature±1 percent over the normal range of temperature measured or 2.8 degrees Celsius (5 degrees Fahrenheit), whichever is greater, for non-cryogenic temperature ranges
±2.5 percent over the normal range of temperature measured or 2.8 degrees Celsius (5 degrees Fahrenheit), whichever is greater, for cryogenic temperature ranges

Performance evaluation annually and following any period of more than 24 hours throughout which the temperature exceeded the maximum rated temperature of the sensor, or the data recorder was off scale.

Visual inspections and checks of CPMS operation every 3 months, unless the CPMS has a redundant temperature sensor.

Selection of a representative measurement location.

Flow Rate±5 percent over the normal range of flow measured or 1.9 liters per minute (0.5 gallons per minute), whichever is greater, for liquid flow rate

±5 percent over the normal range of flow measured or 280 liters per minute (10 cubic feet per minute), whichever is greater, for gas flow rate

±5 percent over the normal range measured for mass flow rate

Performance evaluation annually and following any period of more than 24 hours throughout which the flow rate exceeded the maximum rated flow rate of the sensor, or the data recorder was off scale.

Checks of all mechanical connections for leakage monthly.

Visual inspections and checks of CPMS operation every 3 months, unless the CPMS has a redundant flow sensor.

Selection of a representative measurement location where swirling flow or abnormal velocity distributions due to upstream and downstream disturbances at the point of measurement are minimized.

Pressure±5 percent over the normal range measured or 0.12 kilopascals (0.5 inches of water column), whichever is greaterChecks for obstructions (e.g., pressure tap pluggage) at least once each process operating day.

Performance evaluation annually and following any period of more than 24 hours throughout which the pressure exceeded the maximum rated pressure of the sensor, or the data recorder was off scale.

Checks of all mechanical connections for leakage monthly. Visual inspection of all components for integrity, oxidation and galvanic corrosion every 3 months, unless the CPMS has a redundant pressure sensor.

Selection of a representative measurement location that minimizes or eliminates pulsating pressure, vibration, and internal and external corrosion.

Sorbent Injection Rate±5 percent over the normal range measuredPerformance evaluation annually.

Visual inspections and checks of CPMS operation every 3 months, unless the CPMS has a redundant sensor.

Select a representative measurement location that provides measurement of total sorbent injection.

Secondary voltage±1kV

                    
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