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EXecutive Orders 'IR,203-E and VR.204.,r,.- <br /> VST Phase 11 EVR System <br /> E;ahiblt 12 <br /> Veeder-Root Vapor Polisher <br /> Hydrocarbon Ems si, <br /> i ons Verification Procedure <br /> Definitions common to all certification and test Procedures are in. <br /> D-200 Definitions for Vapor Recover�f Procedures <br /> For the purpose of this procedure, the term "ARB" refers to the California Air <br /> Resources Board, and the term 'ARB Executive Officer" refers to the Execut <br /> Officer of the ARB or his or her authorized representative or designate. ive <br /> 1. PURPOSE AND APPLICABILITY <br /> This test procedure is used to verify the proper performance of the Vee <br /> Vapor Polisher. The test determines hydrocarbon (HC) emissions under iso- <br /> der-Root <br /> butane vapor loading conditions. <br /> The station may remain open (normal fuel dispensing, deliveries, <br /> conducting this procedure. etc,) while <br /> 2. PROJCIPLE AND SUNROARY OF TEST PROCEDURE <br /> This procedure is used to verify Proper performance of the Veeder-Root Vapor <br /> Polisher in meeting the hydrocarbon (HC) emission specification listed in Exhibit <br /> 2 y <br /> - A 10% iso-butane compressed gas standard is used as the inlet test gas (i.e,, <br /> to provide HC flow at the Vapor Polisher inlet) while monitoring HC emissions <br /> from the Vapor Polisher exhaust using a Portable non-dispersive infrared (NDIR) <br /> analyzer calibrated to iso-butane. The flow through the Vapor Polisher and HC <br /> monitoring is maintained for six (6) minutes. <br /> 3. BIASES AND INTERFERENCES <br /> 3.1 This test shall not be conducted if the Vapor Polisher Percent load is <br /> greater than 80% (VR-203 IOM Section 16, PMC Diagnostic Menu, or VR- <br /> 204 IOM Section 16, PMC Diagnostic Menu). <br /> 3.2 Exhibit 11 (Vapor Polisher operability tests) Must be conductedprior <br /> conducting the Exhibit 12 test to assure valid results. to <br /> 3.3 Catalytic bead HC sensors shall not be used for this test due to the <br /> absence of air in the inlet test gas. <br /> VST Phase 11 EVR system, Exhibit 12 -VR-203-E and VR-204-E <br />