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. 3 - <br /> 5. CALIBRATION REQUIP EMEITS <br /> 5.1 All flow measuring devices shall be bench tested for y using a <br /> reference gauge or NIST traceable standard at least once evaccuracery <br /> consecutive days. Accuracy checks shall be Performed at a in <br /> 180 um <br /> five (5) Points (e.g., 10, 25, 50, 75 and go percent of full scale). of <br /> y of <br /> the most current accuracy check Of the ROW meter shall be kept with the <br /> equipment. <br /> 5.2 Information on the calibration check gas and inlet test gas shall be entered <br /> into a log identifying each cylinder by serial number. Documentation of <br /> certification shall be maintained With the as cylinders at all times and <br /> shall also be attached to Form 1. The Gaglibration check gas log shall be <br /> maintained with the gas cylinders at all times and made readily available <br /> to the district upon request. Sufficient information shall be maintained to <br /> allow a determination of the certification status of each calibration gas and <br /> shall include: (1) the date Put in service, (2) assay result, (3) thson <br /> tes the <br /> assay was performed, and (4) the organization and specific Penel who <br /> performed the assay, <br /> 6, PRE-TEST REQUIREMENTS <br /> 6.1 Follow the HC analyzer manufacturer's procedure for instrument start-up <br /> and warm-up, <br /> 6.2 Check the zero reading of the HC analyzer using Bs greater than 0.1% by volume (I000 g ambient air. If the result <br /> the manufacture's PPM) trecommended Procedures,hen re-zero the analyzer per <br /> Record results on Form I <br /> 6.3 Check the calibration of the HC analyzer by prohced <br /> .9calibration check gas following the manufacturer's eures.by volume The <br /> reading must be between a8% and 1.0% by volume. Record results on <br /> Form 1. If the result is Outside of the required range then the analyzer <br /> shall be recalibrated per manufacturers <br /> this test, specifications prior to conducting <br /> 6.4 Assemble the inlet test gas cylinder, regulator flow meter and flow control <br /> valve, and transfer line as shown in Figure <br /> sampling line to the outlet test port 1. Attach the HC analyzer <br /> Polisher as shown in Figure 1. / inch NPT fitting on the top of the <br /> 6.5 Visually check to ensure the inlet 3-way valve (see Figura. <br /> Polisher is in the closed test Position so the flow is coming 1) to the Va or <br /> test gas to the inlet of the Vapor Polisher. from the inlet <br /> VST Phase It EVR System, Exhibit 12-VR-203-E and VR-204-E <br />