APPENDIX D. ANALYSING UNCERTAINTY SOURCES 102 ... uncertainty should be integrated with existing quality assurance measures, since these measures frequently /XIPLAYER_CM2 10 0 R 18.1 Data Review and Verification 13. /Pages 2 0 R National Monitoring Program Fact Sheets 11 B: Ambient Air Monitoring QA Information and Web Addresses 4 C: Using the Graded Approach for the Development of QMPs and 6 QAPPs D: Measurement Quality Objectives and Validation Templates 25 E: Characteristics of Spatial Scales Related to Each … The calculated O3 concentrations must be corrected for O3 losses, which may occur in the photometer, and for the temperature and pressure of the sample. EPA-454/B-13-003, May 2013. << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] • Summarizing results of the evaluation (see appendix E). << /Type /Catalog The quantities defined above are related by the Beer-Lambert absorption law. K. H. Becker, U. Schurath, and H. Seitz, “Ozone Olefin Reactions in the Gas Phase. 6. Am., 43, 870 (1953). 4.5.1 General operation. Rate Constants and Activation Energies”, Int'l Jour. • Executing the assessment programs (see appendix D) that are intended to collect, evaluate, and document evidence of conformance with the Standards and the Code of Ethics. 3. /MediaBox [0 0 792 612] 4.2 Applicability. 8.2 Study Site 7. 4.5.5.4 Adjust the O3 analyzer's span control to obtain the desired response equivalent to the calculated standard concentration. A quality measure (also called a quality indicator or performance measure) is an objective measurement of the proportion of patients who received the indicated process(es) of care and/or whether patients had the desired outcome(s) of care . The system must have a vent designed to insure atmospheric pressure in the manifold and to prevent ambient air from entering the manifold. /Count 20 2.2 The measurement system is calibrated by referencing the instrumental chemiluminescence measurements to certified O3 standard concentrations generated in a dynamic flow system and assayed by photometry to be traceable to a National Institute of Standards and Technology (NIST) standard reference photometer for O3 (see Section 4, Calibration Procedure, below). Ollison, W.M. An ambient air sample stream and a specific flowing concentration of either C2H4 (ET-CL method) or NO (NO-CL method) are mixed in a measurement cell, where the resulting chemiluminescence is quantitatively measured by a sensitive photo-detector. 4.5.3.2 Verify that the flow rate through the photometer absorption cell, F, allows the cell to be flushed in a reasonably short period of time (2 liter/min is a typical flow). Record the stable zero air response as “Z”. 4.5.3.3 Ensure that the flow rate into the output manifold is at least 1 liter/min greater than the total flow rate required by the photometer and any other flow demand connected to the manifold. 5.1 The frequency of calibration, as well as the number of points necessary to establish the calibration curve, and the frequency of other performance checking will vary by analyzer; however, the minimum frequency, acceptance criteria, and subsequent actions are specified in Appendix D of Reference 14: Measurement Quality Objectives and Validation Templates. 4 0 obj This loss must not exceed 5%. 4.5.3.10 Calculate the O3 concentration from equation 4. Table 3-1 Measurement Quality Objectives for Ozone Developed into a Validation Template. Compute the linear regression slope and intercept and plot the regression line to verify that no point deviates from this line by more than 2 percent of the maximum concentration tested. The objectives of the Quality Assessment were to assess: 1. 5. US EPA QA Handbook Appendix D :Validation Templates . /XIPLAYER_CM3 11 0 R 3.2 List of Tables. 2 0 obj This checklist has been designed to assist Government agencies and other customers in assessing their service providers’ Quality Management Plans. Examples of conversion factors 30 Appendix C. Examples for the estimation of measurement uncertainty of results 32 Appendix D. Example of rounding, reporting and interpreting results 39 Appendix E. Glossary 41 Quality Control Checks The EPA Quality Assurance Handbook for Air Pollution Measurement Systems, Vol. The user's quality control program … Appendix D: Quality Objectives ... continuous improvement of processes based on objective measurement and analysis. Boylan, P., Helmig, D., and Park, J.H. 1 Goal Statements & Objective Statements 6. Ozone analyzers must be calibrated as follows, using O3 standards obtained directly according to section 4.5.3 or by means of a certified transfer standard. Requirement Frequency Acceptance Criteria Critical Criteria One Point QC Check. /XIPLAYER_CM6 14 0 R The calibration photometer must be dedicated exclusively to use as a calibration standard. For certification of transfer standards which provide their own source of O3, the transfer standard may replace the O3 generator and possibly other components shown in Figure 2; see Reference 12 for guidance. This Master QAPP supports RSEPA data collection efforts to determine if munitions constituents are migrating, or have the potential to migrate, to off-range environmental receptors. A device to indicate temperature must be used that is accurate to ±1 °C. 2. National Air Pollution Surveillance Program. Oceanic Technol., 9 (2), 142-148(1992). APPENDIX D. DATA QUALITY INDICATORS .....D-1 AD1. An average of several determinations will provide better precision. /XIPLAYER_CM5 13 0 R Single analyzer 1/ 2 weeks < 7% (percent difference) Zero/span check E: Characteristics of Spatial Scales Related to Each Pollutant . or G: Example Procedure for Calibrating Data Acquisition System . 40 CFR Part 58, Appendix A, Section 1.2.3 – Continued …The EPA reserves the authority to use or not use monitoring data submitted by a monitoring organization when making regulatory decisions based on the EPA's assessment of the quality of the data. M. Griggs, “Absorption Coefficients of Ozone in the Ultraviolet and Visible Regions”, J. Chem. QA Handbook Volume II, Appendix D Revision No. The output manifold must be constructed of glass, Teflon, or other relatively inert material, and should be of sufficient diameter to insure a negligible pressure drop at the photometer connection and other output ports. 3 0 obj Method validation procedure: outline and example approaches 27 Appendix B. Appendix A LTMS Analytical Requirements Appendix B Summary Table of Quality Objectives and Criteria for Measurement Data Appendix C FORM TEMPLATES Field Data Sheet Discharge Field Sheet Chain of Custody Appendix D Summary of Sample Container, Volume, Initial Preservation, and Holding Time Recommendations for Water Samples See Reference 13 for additional information. A device to indicate barometric pressure must be used that is accurate to ±2 torr. 4.5.3.11 Obtain additional O3 concentration standards as necessary by repeating steps 4.5.3.6 to 4.5.3.10 or by Option 1. ... – Findings against the agency self-assessment template in terms of compliance with existing strategies and ... Validation and Reconciliation with DQIs. Appendix D Quality Assurance Project Plan 7 Appendix E Health and Safety Plan 7 NOTES for SSI Workplan (beyond PEA): 1. It must always be used with clean, filtered calibration gases, and never used for ambient air sampling. 4.5.2.5 Ozone losses. Ambient Air Quality Monitoring Program. 2.3 An analyzer implementing this measurement principle is shown schematically in Figure 1. APPENDIX D CONTENT OF PROJECT PLAN DOCUMENTS D.1 Introduction ... of a project plan document since it is closely associated with the data quality objective (DQO) ... D Data Validation and Usability ; D1 Verification and Validation Requirements : D5.1: 8 : D2 : Appendix D - Quality Management Plan assessment checklist. In addition to the QC checks required for meeting the measurement quality objectives and validation templates, semi-annual system Monthly HAI Reporting Plan ii. “Methods for gas-phase measurements of ozone, ozone precursors and aerosol precursors.” Atmos. More information about data validation and the use of the validation templates can be found in Section 17. Each O3 concentration is determined from the measurement of the transmittance (I/I0) of the sample at 254 nm with a photometer of path length l and calculated from the equation. Inn and Y. Tanaka, “Absorption coefficient of Ozone in the Ultraviolet and Visible Regions”, J. Opt. Quarterly/Monthly Data Quality Assessment Activities . AMBIENT AIR MONITORING AND QUALITY ASSURANCE/QUALITY CONTROL GUIDELINES . >> (This can be readily achieved by prudent selection of optical filter and detector response characteristics.) objectives provide a mechanism for ongoing control and evaluating and measuring data quality throughout the project. 2.22 Validation: Confirmation, through the provision of objective evidence, that the requirements for a specific intended use or application have been fulfilled. >> Some commercial photometers may automatically evaluate all or part of equation 4. The Company determines how to achieve its quality objectives according to . The exact procedure varies depending on the nature and design of the transfer standard. The dynamic calibration system may be modified as shown in Figure 3 to allow for dilution air to be metered in downstream of the O3 generator. Other configurations may require appropriate variations in the procedural steps. objectives provide a mechanism for ongoing control and evaluating and measuring data quality throughout the project. >> Additional information on verifying linearity is contained in Reference 13. >> CASTNET uses the measurement quality objectives and validation templates described in the EPA QA Handbook Validation Template8 (reproduced in Appendix B of this plan) to ensure that the highest quality data are being submitted to the AQS. 4.5.2.2 System check. 84A P P E N D I X D Research Problem Statements for Priority 1 NeedsDemonstration Project Using Both Infrared and High-Speed Ground-Penetrating Radar for Uniformity Measurements on New Hot-Mix Asphalt Layers Problem Statement There is a continuing need to improve monitoring of new hot-mix asphalt (HMA) surfaces. 4.3.7 Barometer or pressure indicator. All connections between components in the calibration system downstream of the O3 generator must be of glass, Teflon, or other relatively inert materials. 8. The user's quality control program shall provide guidelines for initial establishment of these variables and for subsequent alteration as operational experience is accumulated. Identification of critical measurements, data quality objectives, data quality indicator goals, the schedule for completing testing, and milestones shall be addressed. A. Clyne and J. Repeat at several different dilution ratios. /Resources 3 0 R 1. Section IV. Quality Assurance Handbook for Air Pollution Measurement Systems "Volume IV: Meteorological Measurements Version 2.0" EPA-454/B-08-002 , March 2008 (PDF) (191 pp, 5.1 MB, About PDF) QA Handbook Appendix D: Measurement Quality Objectives and Validation Templates; March 2017 (PDF) (54 pp, 400 K, About PDF) Brownfields These tables describe operational and systematic criteria for O 3 Appendix D: Measure Specification Template 20 Appendix E: Statement on Comparing Outcomes 21 Table of Contents. This filter must be changed weekly (or at least often as specified in the manufacturer's operation/instruction manual), and the sample inlet system used with the analyzer must be kept clean, to avoid loss of O3 in the O3 sample air prior to the concentration measurement. Soc. Environ., 34 (12-14), 1921-1957(2000). 4.5.2.3 Linearity. Potential loss of O3 in the inlet air filter and in the air sample handling components of the analyzer and associated exterior air sampling components due to buildup of airborne particulate matter is minimized by filter replacement and cleaning of the other inlet components. Reconciliation with Data Quality Objectives 18.1 Five Steps of the DQA Process 1/9 APPENDICES A. J. W. Simons, R. J. Paur, H. A. Webster, and E. J. Bair, “Ozone Ultraviolet Photolysis. Quality objectives are goals for the value of products, services and processes. “A small, high-sensitivity, medium-response ozone detector suitable for measurements from light aircraft.” J. Atmos. It is assumed that all conditions of the system, except for the contents of the absorption cell, are identical during measurement of I and I0. Appendix A Nevada Administrative Code for Laboratory Certification Appendix B Application Form for Nevada Brownfields Program Appendix C EPA Region 9 Templates for Sampling and Analysis Plan and Field Sampling Plan (reference and web link) Appendix D Data Quality Indicators and Measurement Quality Objectives PN 1599 . 10. Soc. Data Quality Objectives and Criteria for Measurement of Data Data Precision, Accuracy, Measurement Range Appendix E shows objectives for measurement range, method detection limit, precision, and accuracy when applicable and the sample matrix for each parameter tested for this project. A manual or automatic two-way valve, or other means is used to switch the photometer flow between zero air and the O3 concentration. 6.3 Planning of changes The zero air must be free of contaminants which would cause a detectable response from the O3 analyzer, and it must be free of NO, C2H4, and other species which react with O3. The user's quality control program shall … 4.5.5.3 Generate an O3 concentration standard of approximately 80% of the desired upper range limit (URL) of the O3 analyzer. 4.4.1 Zero air. The Ultraviolet Spectrum”, J. Chem. A number of advantages are realized by locating the calibration photometer in a clean laboratory where it can be stationary, protected from the physical shock of transportation, operated by a responsible analyst, and used as a common standard for all field calibrations via transfer standards. 4.3.2 Air flow controllers. %����� Air Waste Manage. Record the O3 concentration and the corresponding analyzer response. ; Walega, J.G. A procedure for generating suitable zero air is given in Reference 13. The quality objectives should relate of come directly from the quality policy Table 1: Enter title of table. Version Version issue date Author Approval Pages Filename 11 29-Mar-19 NIST QM WGC 1 of 85 NIST QM-I-V11 controlled revised 3_29_19.docx 4.5.2.1 Instruction manual. 13. 0 Date:05/13 Page 1 of 48. The analyzer must be designed and constructed to provide accurate, repeatable, and continuous measurements of O3 concentrations in ambient air, with measurement performance that meets the requirements specified in subpart B of part 53 of this chapter. A7. 2.1 This reference method is based on continuous automated measurement of the intensity of the characteristic chemiluminescence released by the gas phase reaction of O3 in sampled air with either ethylene (C2H4) or nitric oxide (NO) gas. In some commercially available photometers, the operation of the two-way valve and various other operations in section 4.5.3 may be carried out automatically by the photometer. Data Quality Checklists iii. /Kids [4 0 R 17 0 R 26 0 R 37 0 R 58 0 R 75 0 R 84 0 R 97 0 R 109 0 R 122 0 R 139 0 R 151 0 R 170 0 R 181 0 R 190 0 R 204 0 R 213 0 R 226 0 R 239 0 R 251 0 R] J: Guidance for Use of Electronic Logbooks and quantitative measurement instruments that meet acceptable standards of quality, such as reliability and validity (see appendix A for a detailed description of this study’s research methodology and analyti­ cal approach). The precision of the measurements is inversely related to the time required for flushing, since the photometer drift error increases with time. 4.5.3.4 Ensure that the flow rate of zero air, Fz, is at least 1 liter/min greater than the flow rate required by the photometer. /XIPLAYER_CM4 12 0 R The magnitude of this loss must be determined and used to correct the calculated O3 concentration. A mixing chamber between the O3 generator and the output manifold is also required. 4.5.2 Preparation. A.6 Quality Objectives for Radon Measurement Activities ... D.1 Data Validation and Usability ... measurements and tracking precision is illustrated in Appendix D. v. Blank samples for background measurement will be performed at the rate of 5 or CONDUCT OF EXPERIMENTAL STUDIES OF METHOD PERFORMANCE 8 3.3. 8. Appendix D Measurement Quality Objectives and Validation Templates AMTIC Version 4.5.3.7 Actuate the two-way valve to allow the photometer to sample zero air until the absorption cell is thoroughly flushed and record the stable measured value of Io. Measurement Data Appendix C FORM TEMPLATES Field Data Sheet Discharge Field Sheet Chain of Custody Appendix D Summary of Sample Container, Volume, Initial ... 7.1 Data quality objectives (Appendix B). Check the photometer system for integrity, leaks, cleanliness, proper flow rates, etc. Appendix G: Data Quality Checklist - CLABSI/CAUTI Data iv. The calibration procedure is based on the photometric assay of O3 concentrations in a dynamic flow system. Appendix A. >> Parrish, D.D. Quality Manager June 2005 Positive Improvement in added-value measurements from Customers Notes. Appendix D RSEPA Master QAPP: Final Revision 0 of RSEPA. 1.1 This chemiluminescence method provides reference measurements of the concentration of ozone (O3) in ambient air for determining compliance with the national primary and secondary ambient air quality standards for O3 as specified in 40 CFR part 50. for Air Pollution Measurement Systems, Vol. 5.1 The frequency of calibration, as well as the number of points necessary to establish the calibration curve, and the frequency of other performance checking will vary by analyzer; however, the minimum frequency, acceptance criteria, and subsequent actions are specified in Appendix D of Reference 14: Measurement Quality Objectives and Validation Templates. 8.0 Quality Objectives & Criteria for Measurement Data 6. The concentration of O3 in an absorption cell is determined from a measurement of the amount of 254 nm light absorbed by the sample. The use of a particle filter on the sample inlet line of a chemiluminescence O3 FRM analyzer is required to prevent buildup of particulate matter in the measurement cell and inlet components. More rigorous quality assurance over the work of the Internal Auditors. 7. Kinetics, VI, 725 (1974). The photometer consists of a low-pressure mercury discharge lamp, (optional) collimation optics, an absorption cell, a detector, and signal-processing electronics, as illustrated in Figure 2. 4.3 Apparatus. Reconciliation with Data Quality Objectives 18.1 Five Steps of the DQA Process 1/9 APPENDICES A. 18.1 Data Review and Verification 13. Quality Assurance Handbook for Air Pollution Measurement Systems "Volume IV: Meteorological Measurements Version 2.0" EPA-454/B-08-002 , March 2008 (PDF) (191 pp, 5.1 MB, About PDF) QA Handbook Appendix D: Measurement Quality Objectives and Validation Templates; March 2017 (PDF) (54 pp, 400 K, About PDF) Brownfields Designs implementing this measurement principle must include: an appropriately designed mixing and measurement cell; a suitable quantitative photometric measurement system with adequate sensitivity and wavelength specificity for O3; a pump, flow control, and sample conditioning system for sampling the ambient air and moving it into and through the measurement cell; a sample air dryer as necessary to meet the water vapor interference limit requirement specified in subpart B of part 53 of this chapter; a means to supply, meter, and mix a constant, flowing stream of either C2H4 or NO gas of fixed concentration with the sample air flow in the measurement cell; suitable electronic control and measurement processing capability; and other associated apparatus as may be necessary. QUALITY ASSURANCE PLAN BIOGEOCHEMISTRY LABORATORY Air, Water & Aquatic Environments Program Rocky Mountain Research Station U. S. Forest Service In July 2014 EPA made changes to Appendix D, Measurement Quality Objectives and Validation Templates (AMTIC Version) of the 2013 Quality Assurance Handbook, Volume II relating to gaseous monitoring zero drift and other changes. Laboratory Quality Control Frequency of Analysis Measurement Quality Objective Calibration Standard Per analytical method or manufacturer’s specifications Per analytical method or manufacturer’s specifications Continuing Calibration Verification Section III. The flow rate through the O3 generator (Fo) and the dilution air flow rate (FD) are measured with a flow or volume standard that is traceable to a NIST flow or volume calibration standard. METHOD VALIDATION 7 3.2. [Available at, 13. Each O3 concentration generated by dilution is calculated from: Additional information on calibration and pollutant standards is provided in Section 12 of Reference 14. Validation is a critical component of treatment process management because it ensures that the required water quality objectives will be achieved. QA Handbook Volume II, Appendix D Revision No. measure, however, that the real power of the quality measurement enterprise will eventually be felt . Verify that the photometer manufacturer has adequately established that the linearity error of the photometer is less than 3%, or test the linearity by dilution as follows: Generate and assay an O3 concentration near the upper range limit of the system or appropriate calibration scale for the instrument, then accurately dilute that concentration with zero air and re-assay it. 8.0 Quality Objectives & Criteria for Measurement Data 6. Phys., 59, 1203 (1973). and measurement efforts mandated or supported by EPA have in place a centrally managed Quality Assurance (QA) Program Plan. << /Type /Pages I: Example of Reports to Management . Consensus built validation templates . 4.5.5.1 Allow sufficient time for the O3 analyzer and the photometer or transfer standard to warm-up and stabilize. 1 Date:03/17 Page 1 of 54 Appendix D Measurement Quality Objectives and Validation Templates Table of Contents (click on link to go to individual tables) Validation Template Page O3 5 CO 8 NO2, NOx, NO 10 SO2 13 PM2.5 Filter Based Local Conditions 16 Continuous PM2.5 Local Conditions 21 For Ozone, EPA publication number EPA-600/4-79-057, September, 1979 to the... Calculated O3 concentration and the photometer system to warm up and stabilize Data iv Acquisition system is... To establish a set of Quality Objectives and Validation Templates AMTIC version Appendix D No! 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