Table 5-1. Instrumental Test Method Specifications

    Performance Test                        Specification
---------------------------       --------------------------------------- 
Analyzer Calibration Error         +- 2% of span for zero, mid-, and
                                   high-range calibration gases

Sampling System Bias               +- 5% of span for zero and upscale
                                   calibration gases

Zero Drift                         +- 3% of span over test run period

Upscale Calibation Drift           +- 3% of span over test run period

Interference Check                 +- 7% of the modified Method 6 result
                                   for each run