1. Trace Gas Update from NY’s NCore Pilot Site
NESCAUM MAC Meeting
Troy, New Hampshire
April 24 – 25, 2007

2. NY’s Pilot NCore site: Pinnacle State Park NOy Converter: (9+ meters)
SO2, CO, O3 Manifold Inlet
TECO NOy Inlet
NY’s Pilot NCore site:
Pinnacle State Park

3. Zero 4:00 – 4:09 Audit Zero = Ave of minute 4:09 = .24 ppb
Span :10 – 4:19 Audit Span = Ave of minute 4:19 = 407 ppb
Precision :19 – 4:29 Audit Precision = Ave of minute 4:29 = 80.7 ppb
Zero :30 – 4:34
Purge :35 – 4:39

4. Zero 0:00 – 0:09 Audit Zero = Ave of minute 0:09 = .41 ppb
Span :10 – 0:19 Audit Span = Ave of minute 0:19 = ppb
Precision :19 – 0:29 Audit Precision = Ave of minute 0:29 = ppb
Zero :30 – 0:34
Purge :35 – 0:39

5. Audit and Converter Efficiency check run every 48 hrs (6 L/min)
Zero :20 – 3:34 Audit Zero = Ave of minute 3:34 = ppb
Span :35 – 3:44 Audit Span = Ave of minute 3:44 = (40) Precision :45 – 3:54 Audit Precision = Ave of minute 3:54 = 6.57 (10)
Zero :55 – 3:58
Purge :59 – 4:04

6. Gas Phase Titration test runs weekly (Sundays) 6 L/min
Zero :30 – 7:29 Zero = Ave of minute 7:29 = -.92 ppb
NO :30 – 7:49 NO = Ave of minute 7:49 = 74.9 ppb
NO + O :50 – 8:09 NO + O3 = Ave of minute 8:09 = 35.3 ppb
Purge :10