Rpd calculation excel

    • [DOC File]New Mexico Environment Department

      https://info.5y1.org/rpd-calculation-excel_1_8f999c.html

      Jun 15, 2017 · Identify incorrect or missing data on the flow calculation spreadsheet and correct errors. ... if yes, list results that need to have validation codes applied in the database save these results as an excel file and forward to QA officer or Program Manager, with a request to add appropriate validation codes to database. ... RPD < 15% Determine ...

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    • [DOC File]Kobuk Watershed Stewardship Project

      https://info.5y1.org/rpd-calculation-excel_1_9103f5.html

      RPD = (R1 - R2) x 100 ((R1 + R2)/2) where: RPD= Relative Percent Difference and. R1 and R2 are the initial and duplicate measurement values, respectively . in case of MS/MSD and/or LCSD/LCSD. R1 = % Recovery of the target compound in the initial analysis (from MS or LCS)

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    • [DOC File]Ohio EPA Home

      https://info.5y1.org/rpd-calculation-excel_1_3e52f5.html

      Equation 7.2 RPD = Where: RPD = Relative Percent Difference C1 = The larger value of either the matrix spike or matrix spike duplicate (measured concentration of a spike analyte) C2 = The smaller value of either the matrix spike or matrix spike duplicate For example, if the result for a matrix spike is 7 mg/kg of TCE and result for the matrix spike duplicate is 6 mg/kg, the relative percent difference may be …

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    • [DOC File]Ohio EPA Home

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      List sample IDs and appropriate method and calculated RPD: 4.3.2 If the samples were re-analyzed (i.e., 2 more injections), do the duplicate injections agree within 20% RSD? Action: If the RSD criteria are not met, qualify all positive results as “J.”

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    • [DOCX File]Standard Operation Procedure (SOP) for Enumeration of ...

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      Feb 18, 2011 · 9.17. Place standards and samples in the autosampler. Input the schedule information required by the software system (See Hach 2003). Follow the sample ID scheme outlined in ESF-SOPs-007 and 010. See Appendix A for an example. Sample Schedules can be imported from an excel file saved in csv format.

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    • [DOC File]Intent and scope

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      This will group your new RPD data by Instrument. Step 4.7: Now you need to find the maximal RPD, for all pairs, for each Instrument. You can do this by simply looking, or you can copy the formula for Maximum RPD under the same field (column V) into the bottom row for each Instrument, and modify ranges in the existing formulae as needed.

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    • [DOCX File]University of North Carolina Wilmington

      https://info.5y1.org/rpd-calculation-excel_1_f5c4ed.html

      Below the RPD a smaller set of organisms depend on aneorobic metabolism. Within the RPD region itself there is a mixed community that consists of both aerobic and anerobic organisms. All this ecological structure can change in a matter of a few centimeters on sandy beaches!

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    • [DOC File]1 - Vermont

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      The average RPD should be less than or equal to the Estimated Precision listed in Table 7b. This simple measure is calculated as follows: RPDfield duplicate pair 1 = absolute value (sample1 - sample2) / average (sample1 and sample2); and, The Mean RPD for “n” duplicate pair = average (RPDpair 1 + RPD pair 2 + ... + RPD pair n) 24.

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    • [DOC File]QUALITY ASSURANCE MANUAL

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      (However, if your facility is using an Excel spreadsheet MRO supplied by IDEM, you do not have to alter the default value assigned to TNTC results by the spreadsheet.) Justification: If the 10.0 mL tray is fully fluoresced, then the actual count is likely to be somewhere between 24,192 (maximum count for a 10.0 mL dilution) and 241,920 (maximum ...

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    • [DOC File]Quality Assurance Project Plan

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      Examples of processes include analysis, design, data collection, operation, fabrication, and calculation. Project — An organized set of activities within a program. Qualified data — Any data that have been modified or adjusted as part of statistical or mathematical …

      relative percent difference calculation

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