SWCAA 11815 NE 99th Street, Suite 1294

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11815 NE 99th Street, Suite 1294Vancouver, WA 98682(360) 574-3058www.swcleanair.orgSWCAASouthwest Clean Air AgencyJanuary 7, 2020Mr. Lance McIntyreClark College at Columbia Tech Center18700 SE Mill Plain Blvd.Vancouver, WA 98663Subject:Notification of Boiler Installation at Clark College - Columbia Tech Center Campus(SUN - 224)Dear Mr. McIntyre:The Southwest Clean Air Agency (SWCAA) received your Small Unit Notification (SUN) onDecember 3, 2019 for installation and operation of a new boiler at Clark College's Columbia TechCenter campus. For administrative and tracking purposes SWCAA has assigned tracking numberSUN-224 to this notification. This notification was filed in accordance with SWCAA 400-072 andapplies to the installation of one boiler. The new boiler was identified as:( 1) Lochinvar model FBN2001, natural gas fired condensing boiler with a rated heat inputcapacity of 1.999 MMBtu/hr. The boiler will be identified as "Boiler 2".SW CAA has completed a review of your notification and the associated support information and hasdetermined that the notification meets the requirements of SWCAA 400-072(2). Once installed,affected equipment must maintain compliance with the requirements of SWCAA 400-072(5)(b)"Small gas fired boilers/heaters". A copy of the relevant SWCAA 400-072 section is attached foryour information. SWCAA 400-072(5)(b)(v) requires that emissions from the unit be tested within60 days of initial operation and annually thereafter. Because you have another boiler that requirestesting, SWCAA hereby approves the utilization of the currently approved testing schedule for theother boiler at the Columbia Tech Center campus for all subsequent testing of the new boiler. Thecurrently approved testing schedule for the other boiler at the Columbia Tech Center campus requiresthat boiler testing be conducted by the end of November each year.Be advised that emission units installed pursuant to SWCAA 400-072 are subject to sourceregistration and periodic inspection. Registration fees for this equipment will be invoiced consistentwith SWCAA 400-100.If you need further assistance or have any questions regarding these matters, please contact me at(360) 574-3058 extension 130.Sincerely,Q--fXll{ Paul T. MairoseChief EngineerOur Mission is to Preserve and Enhance Air Quality in Southwest Washington@

SWCAA 400-072 Emission Standards for Selected Small Source Categories[Statutory Authority: Chapter 70.94. 141 RCW. Original adoption 09-21-056 filed I 0/ 15/09, effective 11 / 15/09, 16-19-009 filed 9/8/1 6, effective I0/9/ 16; 17-1 1-078 filed5/ 18/ 17, effective 6/ 18/ 17](5)Source categories.(b)Small gas fired boilers/heaters.(i)Applicability. The provisions of this section apply to gas fired (naturalgas/propane/LPG) boilers and heaters with individual rated heat inputs equal toor greater than 0.4 MMBtu/hr and equal to or less than 2.0 MMBtu/hr. For thepurposes of this subsection, the term "boiler" means any combustion equipmentdesigned to produce steam or to heat water that is not used exclusively to produceelectricity for sale.(ii)Emission limits and standards.(A)Visible emissions from the boiler exhaust stack shall not exceed zeropercent opacity for more than 3 minutes in any one hour period asdetermined in accordance with SWCAA Method 9. (SWCAA 400,Appendix A).(B)Each boiler/heater shall be equipped with combustion technology capableof maintaining NOx and CO emissions at, or below, 30 ppmv and 50ppmv, respectively (corrected to 3% 02, dry, 1-hr avg). EPA test methodsfrom 40 CFR 60, as in effect on July 1, 2015, shall be used to determinecompliance.(iii)General requirements.(A)Each boiler/heater shall only be fired on natural gas, propane, or LPG.Monitoring and recordkeeping requirements. The information listed below(iv)shall be recorded at the specified intervals, and maintained in a readily accessibleform for a minimum of 3 years. With the exception of data logged by acomputerized data acquisition system, each required record shall include the dateand the name of the person making the record entry.(A)Quantity of fuel consumed by the boiler/heater shall be recorded for eachcalendar month;(B)Maintenance activities for the boiler/heater shall be logged for eachoccurrence;(C)Upset conditions that cause excess emissions shall be recorded for eachoccurrence; and(D)All air quality related complaints received by the permittee and theresults of any subsequent investigation or corrective action shall berecorded promptly after each occurrence.(v)Testing requirements.(A)Each boiler/heater shall undergo emission monitoring no later than 60calendar days after commencing initial operation.Subsequentmonitoring shall be conducted annually thereafter no later than the end ofthe month in which the original monitoring was conducted. All emissionmonitoring shall be conducted in accordance with the requirements ofSWCAA 400-106(2).(B)If emission monitoring results for a boiler/heater indicate that emissionconcentrations may exceed 30 ppmvd NOx or 50 ppmvd CO, correctedto 3% 02, the owner or operator shall either perform 60 minutes ofadditional monitoring to more accurately quantify CO and NOx

(vi)em1ss1ons, or initiate corrective action. Corrective action shall beinitiated as soon as practical but no later than 3 business days after thepotential exceedance is identified. Corrective action includes burnertuning, maintenance by service personnel, limitation of unit load, orother action taken to lower emission concentrations. Corrective actionshall be pursued until observed emission concentrations no longer exceed30 ppmvd NOx or 50 ppmvd CO, corrected to 3% 02.Reporting requirements.(A)The owner or operator of an affected emission unit shall provide writtennotification of initial operation to SWCAA within 10 days of occurrence.(B}All air quality related complaints received by the owner or operator shallbe reported to the Agency within 3 business days of receipt.(C)Emission monitoring results for each boiler/heater shall be reported to theAgency within 15 calendar days of completion on forms provided by theAgency.(D)The owner or operator of an affected boiler/heater shall report thefollowing information to the Agency no later than March 15th for thepreceding calendar year:(I)Quantity of fuel consumed; andAir emissions of criteria air pollutants, VOCs, and toxic air(II)pollutants (TAPs ).2

Summary Information (by SWCAA) for SUN-224Clark College - Columbia Tech CenterJanuary 7, 2020A Lochinvar Crest series condensing boiler, model FBN2001 was installed to replace "Boiler 2" inJanuary 2019. Boiler 2 was an AERCO Benchmark 2.0, serial number G-08-0799.New Boiler Information-SUN-224Boiler Identification: Boiler 2Location:Boiler RoomBoiler Make/Model: Lochinvar / FBN200 1Boiler Description: Down-fired, firetube, forced draft, condensing boiler with pre-mix surfacecombustion burner. This boiler meets SCAQMD Rule 1146.2 standardsTurndown Ratio:25: 1Serial Numbers:1831 111281066Installed:January 2019Built:2018Heat Input Rating:1.999 MMBtu/hr eachFuel:Natural gasStack Description:- 8" diameter, exhausting vertically above the building roof - 70' aboveground level

Potential EmissionsClark College - CTC - Boiler 2Heat Rate Natural Gas Heat Value Natural Gas Heat Value Fuel Consumption Pollutantppmvd@3%02NOx3050covoeSOx as S02PMPMtoPM2sBenzeneFormaldehyde1.9991,0201,02617 .168Emission Factorlb/MMBtu lb/MMscflb/hrtpyEmission Factor 0.320.0470.00520.0650.065SWCAA 400-072SWCAA 400-072AP-42 Sec. 1.4 (7/98)AP-42 Sec. 1.4 (7/98)AP-42 Sec. 1.4 (7/98)AP-42 Sec. 1.4 (7/98)0.00752.06E-067.35E-057.60.00210.0750.0154. IE-06l.5E-040.065l .8E-056.4E-04AP-42 Sec. 1.4 (7/98)AP-42 Sec. 1.4 (7/98)AP-42 Sec. 1.4 (7/98)C02 eC02 eGreenhouseGasesMMBtu/hrBtu/scf for AP-42 emission factorsBtu/scf for 40 CFR 98 GHG emission factorsMMscf/yrlb/MMBtu lb/MMscf tpy, C0 2e Emission Factor Sourcekg/MMBtuGWPCO253.061116.98120,0191,024.240 CFR 98CH 40.001250.05556.550.540 CFR 98N2 00.00012980.06667.410.640 CFR 98Total GHG53.0611117.098120,1431,025.3

A Lochinvar Crest series condensing boiler, model FBN2001 was installed to replace "Boiler 2" in January 2019. Boiler 2 was an AERCO Benchmark 2.0, serial number G-08-0799. New Boiler Information-SUN-224 Boiler Identification: Boiler 2 Location: Boiler Room Boiler Make/Model

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