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5.1 AIR QUALITY <br /> NO,,as NO2 to 140 pounds per hour <br /> Rule 4305-Boilers,Steam Generators, and Process Heaters Phase 2: Limits emissions from <br /> this equipment as follows: <br /> Gas-fired NO,emissions to 30 ppmvd @ 3% 02 (0.036 lb/MMBtu) <br /> CO emissions to 400 ppmvd @ 3% 02 <br /> The rule also requires installation of OEMs for NO,,,CO and 02. <br /> Rule 4306-Boilers,Steam Generators, and Process Heaters Phase 3: Limits emissions from <br /> this equipment as follows: <br /> Category H boiler (i.e.,annual heat input between 9 and 30 billion Btu/year) gas-fired NO,, <br /> emissions to 30 ppmvd @ 3% 02 (0.007 lb/MMBtu) for the Standard Option,required by <br /> December 1,2008, or <br /> Category B boiler (i.e.,heat input>20 MMBtu/hr, except Category H) gas-fired NOX <br /> emissions to 6 ppmvd @ 3% 02 (0.007 lb/MMBtu) for the Enhanced Option,required by June <br /> 1,2007,and <br /> CO emissions to 400 ppmvd @ 3% 02. <br /> The rule also requires installation of CEMs for NO, CO, and 02 <br /> However,SJVAPCD has proposed to amend Rule 4306, Phase 3, and replace it with Rule <br /> 4320, described further below. <br /> Rule 4320-Advanced Emission Reduction Options For Boilers,Steam Generators,And <br /> Process Heaters Greater Than 5.0 MMBtu/hr: Limits emissions from this equipment as <br /> follows: <br /> Category B boiler (i.e.,heat input>20 MMBtu/hr, except Category E) gas-fired NOX <br /> emissions to 7 ppmvd @ 3% 02 (0.0071b/MMBtu) by January 1, 2012, or 5 ppmv or 0.0062 <br /> lb/MMBtu by January 1,2013, or <br /> Category E boiler (i.e.,annual heat input between 1.8 and 9 billion Btu/year) gas-fired NOX <br /> emissions to 30 ppmvd @ 3% 02 (0.007 lb/MMBtu) for the Standard Option,required by <br /> January 1,2014;and <br /> CO emissions to 400 ppmvd @ 3% 02. <br /> The draft rule would also provide the option of paying an emissions fee in lieu of achieving <br /> the NOX limits in the rule. Finally,the draft rule would also require use of a CEMS for NO, <br /> CO,and 02 or implementation of an APCO-approved Alternate Monitoring System,as well <br /> as the use of an approved parametric monitoring system to track SOX and PMlo emissions. <br /> Rule 4351 -Boilers,Steam Generators, and Process Heaters Phase 1: Limits emissions from <br /> this equipment as follows: <br /> Gas-fired NO,,emissions to 90 ppmvd @ 3% 02 (0.10 lb/MMBtu) <br /> CO emissions to 400 ppmvd @ 3% 02- <br /> 5.1-54 SAC/371322/082410013(LEC_5.1_AIR_QUALITY.DOC) <br />