Quality assurance guidance document model quality assurance project plan for the PM25̣ ambient air monitoring program at state and local air monitoring stations (SLAMS).DIANE Publishing |
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1.–5. rezultāts no 11.
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... coefficient of variation ( CV ) . By reviewing available AIRS data and other PM2.5 comparison studies , it was determined that it was reasonable to allow measurement imprecision at 10 % CV . While measurement imprecision has relatively ...
... coefficient of variation ( CV ) . By reviewing available AIRS data and other PM2.5 comparison studies , it was determined that it was reasonable to allow measurement imprecision at 10 % CV . While measurement imprecision has relatively ...
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... coefficient of variation of the relative differences must be less than 10%. These levels of bias and precision need to be accomplished so that NAAQS decision with makers sufficient can confidence. make decisions To estimate about ...
... coefficient of variation of the relative differences must be less than 10%. These levels of bias and precision need to be accomplished so that NAAQS decision with makers sufficient can confidence. make decisions To estimate about ...
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... Coefficient of Variation ( CV ) for a Single Check ( CV ) . The coefficient of variation , CV , for each check is calculated by dividing the absolute value of the percentage difference , d , by the square root of two as shown in Equation 20 ...
... Coefficient of Variation ( CV ) for a Single Check ( CV ) . The coefficient of variation , CV , for each check is calculated by dividing the absolute value of the percentage difference , d , by the square root of two as shown in Equation 20 ...
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... coefficient of variation ( CV ) is based upon the evaluation of three years of collocated precision data . The goal is to ensure that precision is maintained at this level . Therefore , precision estimates for a single pair of ...
... coefficient of variation ( CV ) is based upon the evaluation of three years of collocated precision data . The goal is to ensure that precision is maintained at this level . Therefore , precision estimates for a single pair of ...
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... coefficient of variation each pair coefficient of variation of all sites per quarter. Percent difference each pair Whosits *- See manufacturer's operating manual an/or instruction sheet. Project: Model QAPP.
... coefficient of variation each pair coefficient of variation of all sites per quarter. Percent difference each pair Whosits *- See manufacturer's operating manual an/or instruction sheet. Project: Model QAPP.
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acceptance criteria activities Ambient Air Monitoring Ambient Air Quality analysis analytical Appendix bias and precision Branch Manager calibration CFR Part 50 Chain of Custody coefficient of variation collocated concentration control chart corrective action data collection data quality data sheet decision error described determine Document Element ensure environmental EPA Regional field blanks filter cassette filter number Filter Weighing flags flow rate forceps Franklinton frequency FRM performance evaluation Guidance HVAC implementation Inspection lab blanks laboratory data form mass measurement system method microbalance Monitoring Program NAAQS network review NIST Palookaville Department Parameter particulate personnel pollution post-sampling pre-sampling Primary Samplers procedures QA Division QA Officer QA/QC QAPP QC checks Quality Assurance records Recovery & Set-up reports requirements responsible Revision No:1 Date routine sampler Scarborough Section sensor SOPs specific Table tare weight technical systems audits temperature U.S. EPA verification weigh room