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1 I. :J ["1 I ~"_J Emission Test Report EMC W A-2-08 Section 4 Revision: 0 Date: September 30. 1999 Page 5 of 9 I I 4.1.7 Sampling for Particulate Matter and HCI Method 26A in Appendix A of 40 CFR 60 was used to collect samples for total particulate matter and HCI analysis. Clarifications of and modifications to the method are included in the following discussion. [] Quartz glass nozzles and probe liners were used in water-cooled probes. The internal surface of the compression fittings used for connecting nozzles to probe liners are pennanently coated with abrasion-resistant Teflon@ to prevent sample gas contact with the stainless steel, and the connections are positioned within the water-cooled section of each probe. f] '..oJ r'J ...... rooJ l_ Heat traced, Y~-inch O.D. with Ve- inch wall Teflon@ tubing was used as a sample transfer line (STL) between the probe liner outlet and the filter holder inlet in all of the trains because the proximity of adjacent test ports and other obstructions would not allow sampling with trains assembled in the nonnal manner. A glass coupling was used to connect the STL tubing to the probe liner outlet while the other end of the tube was connected directly to the filter holder inlet. The STL was maintained at 248::t25 of during sampling. Samples were recovered from the STL in the same manner as for the probe as referred to in Method 26A and specified in Method 5 in Appendix A of 40 CFR 60. ;0\ . .j '1 ;1 <:..;,J f] ! .,1 ..-.~ No cyclonelflask assembly was necessary in front of the filter holder to prevent overloading the filter. Filter supports in the filter holders were 100% Teflon@. Quartz fiber filters having the same specifications described in Method 5 were used. '~-I 1"\ , ,- Two silica gel impingers were used in each train. This was done to minimize any need to swap those components during a test run. One additional empty impinger was inserted between the last acidic impinger and the first caustic impinger. Material recovered from that impinger was treated as if from a caustic impinger. .'''1 r' U 4.1.8 Sampling and Analysis for CO2, O2, CO, NOx, and S02 :1 U Methods 3A, 6C, 7E, and 10 in Appendix A of 40 CFR 60 were used to sample and analyze for CO2, O2, CO, NOx, and 502, Clarifications of and modifications to the methods are included in the following discussion. rl , " LJ All calibration gases were certified by EP A Protocol 1. !', ;_..1 Gas was extracted through stainless steel probes (not water-cooled) fitted with calibration valves at their outlets. The valve directs sampled gas through a heated glass- fiber filter and a heated Teflon@ sample transfer line to an ice-cooled condenser : \ ""-:..1 MRI-AED\R4951.(J8'()3 S4.wpcI