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What’s New in Stack Testing

What’s New in Stack Testing. NC DAQ Michael Pjetraj/ Gary Saunders Raleigh Central Office. What You Need To Know. Protocol Submittal Form (PSF) and Guide is maintained on the DAQ Website (Compliance and Enforcement section). Check for any updates here. http://www.ncair.org/enf/sourcetest/

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What’s New in Stack Testing

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  1. What’s New in Stack Testing NC DAQ Michael Pjetraj/ Gary Saunders Raleigh Central Office

  2. What You Need To Know • Protocol Submittal Form (PSF) and Guide is maintained on the DAQ Website (Compliance and Enforcement section). Check for any updates here. • http://www.ncair.org/enf/sourcetest/ • Transitioned to dry impinger Method 202 from “old” Method • Greater rigor in checking for cyclonic flow • EPA is requiring more testing results to be submitted through the Electronic Reporting Tool (ERT)

  3. Proposed Revisions and Updates to the Methods • Not an all inclusive list • Proposed January 9, 2012. Comment period closed March 3, 2012 • Included corrections to some methods • Updated some methods and removed obsolete materials • Projected to be final in 2013

  4. Improvements • Stratification test in Method 7E added to allow fewer sampling points (Method 1, Section 11.2.2 Velocity and Gaseous (non-particulate) Traverses • Method 7 and 7A-procedure added for high SO2 interference • All Methods • Stratification procedures • Verification of presence/absence of cyclonic flow • Correction of Method 2 average stack velocity equation • RICE Rules-Method 1 or 1A to be deleted-sample from centroid.

  5. Removal of Obsolete/Outdated Specs and Materials • Calibration against Hg instruments for temperature and barometric pressure (Calibration against NIST-Traceable Device) • Use of Tedlar bags (Methods 7E, 10A, 10B, and 18) • Method 2B-changed assumed ambient CO2 from 300 to 380 ppm • Method 5 • Dropped mention of silicone grease • Dropped mention of nomograph • Check valve deleted from train

  6. Future Implementation • These changes may be in effect by next MCIC Air Quality Conference • DAQ will be evaluating the ERT and how that fits in to existing regulations • These proposed changes also had changes to certain rules in 40 CFR 60, 61, and 63 which we have not covered here.

  7. Questions?

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