Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and IndexDivision of the Federal Register, the National Archives, 1998 Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries. |
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Page 19
... Zero the spectrophotometer with the ref- erence cell . 3. Determine the absorbance of the remain- ing cells ( Ac ) in relation to the reference cell and record these values for future use . Mark all cells in a manner that adequately ...
... Zero the spectrophotometer with the ref- erence cell . 3. Determine the absorbance of the remain- ing cells ( Ac ) in relation to the reference cell and record these values for future use . Mark all cells in a manner that adequately ...
Page 29
... zero both manometers . 9.2.5 Achieve the appropriate flow rate through the system , either by means of the variable flow resistance in the transfer standard or by varying the voltage to the air pump . ( Use of resistance plates as shown ...
... zero both manometers . 9.2.5 Achieve the appropriate flow rate through the system , either by means of the variable flow resistance in the transfer standard or by varying the voltage to the air pump . ( Use of resistance plates as shown ...
Page 38
... zero reference for the photometer . The measured absorption is converted to an elec- trical output signal , which is related to the concentration of CO in the measurement cell . 2. An analyzer based on this principle will be considered ...
... zero reference for the photometer . The measured absorption is converted to an elec- trical output signal , which is related to the concentration of CO in the measurement cell . 2. An analyzer based on this principle will be considered ...
Page 39
... zero air , % scale . = If substantial adjustment of the analyzer span control is required , it may be necessary to recheck the zero and span adjustments by repeating Steps 4.5 and 4.6 . Record the CO concentration and the analyzer's ...
... zero air , % scale . = If substantial adjustment of the analyzer span control is required , it may be necessary to recheck the zero and span adjustments by repeating Steps 4.5 and 4.6 . Record the CO concentration and the analyzer's ...
Page 40
... ZERO AIR CHAMBER & F 5 CO FLOW CONTROLLER FLOWMETER STO VENT OUTPUT MANIFOLD 25 25 EXTRA OUTLETS CAPPED WIIÊN NOT IN USE TO INLET OF ANALYZER UNDER CALIBRATION Figure 1. Dilution method for calibration of CO analyzers . co CO CO CO ZENO ...
... ZERO AIR CHAMBER & F 5 CO FLOW CONTROLLER FLOWMETER STO VENT OUTPUT MANIFOLD 25 25 EXTRA OUTLETS CAPPED WIIÊN NOT IN USE TO INLET OF ANALYZER UNDER CALIBRATION Figure 1. Dilution method for calibration of CO analyzers . co CO CO CO ZENO ...
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adjustment Administration Air Pollution Air Quality Models air quality standards ambient ambient air quality analysis analyzer annual appendix applicable appropriate approved average calculated centration Clean Air Act compliance concentration cyclone determined device dilution dioxide Dispersion Model elapsed emis enforcement Environmental Protection Agency EPA Publication equation estimates Evaluation Federal filter flow rate hourly I/M program idle mode input major stationary source maximum means ment meteorological meter method monitoring nonattainment NTIS operation output ozone paragraph particulate matter percent performance plume rise point sources pressure procedures receptor regulations regulatory Research Triangle Park revision sample period sampler SHORTZ sion specified stability classes stack height subpart sulfur sulfur dioxide temperature terrain tion U.S. Environmental Protection urban valve vehicle Vertical volume volumetric flow rate wind speed zero µg/m³