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Standard Operating Procedures

1

Preparation of Calibration Certificates
Revision Date: Sept 2014
Job Aids: Calibration Certificate and Test Report Review Template PDF DOC

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2

Applying Air Buoyancy Corrections
Revision Date: Sept 2014

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3

Weighing by Double Substitution Using an Equal-Arm Balance
Revision Date: 1986

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4

Weighing by Double Substitution
Revision Date: Jan 2015
Job Aids: SOP 4-DWright V19* EXCEL

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5

Using a 3 1 Weighing Design (IR5672)
Revision Date: Sept 2014
Job Aids: SOP 5-DWright V13* EXCEL

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6

Weighing By Transposition
Revision Date: 1986

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7

Weighing by Single Substitution Using a Single Pan Mechanical Balance, a Full Electronic Balance, or a Balance with Digital Indications and Built in Weights
Revision Date: Sept 2014
Job Aids: SOP 7-DWright V06* EXCEL

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8

Medium Accuracy Calibrations of Mass Standards by Modified Substitution
Revision Date: Sept 2014
Job Aids: SOP 8-DWright V02* EXCEL 

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9

Control Charts for Calibration of Mass Standards
Revision Date: Sept 2014
Job Aids: Mass Control Chart-DWright V01* EXCEL

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10

Calibration of Rigid Rules
Revision Date: Oct 2014

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11

Calibration of Metal Tapes, Bench Method
Revision Date: Oct 2014

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12

Calibration of Steel Tapes, Tape-to-Tape Method
Revision Date: Oct 2014

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13

Calibration of Volumetric Ware, Gravimetric Method
Revision Date: Nov 2006

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14

Gravimetric Calibration of Volumetric Ware Using an Electronic Balance
Revision Date: Apr 2013
Job Aids: Gravimetric Troubleshooting PDF | GravCal Option A EXCEL | GravCal Option B EXCEL | SOP 14-DWright V30* EXCEL

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15

Calibration of Intermediate and Large Volume Standards Gravimetric Method Using an Equal-Arm Balance
Revision Date: Nov 2006

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16

Calibration of Measuring Flasks, Volume Transfer Method
Revision Date: Mar 2012

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17

Control Charts of Laboratory Owned Check Standards
Revision Date: Apr 2013
Job Aids: Volume Control Chart Template EXCEL | Volume Control Chart-DWright V00* EXCEL

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18

Calibration of Graduated Neck-Type Metal Volumetric Field Standards, Volumetric Transfer Method
Revision Date: Apr 2013
Job Aids: YouTube Video

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19

Calibration of Large Neck-Type Metal Provers, Volume Transfer Method
Revision Date: Apr 2013
Job Aids: YouTube Video | Neck SOP 19-DWright V07* EXCEL | SOP 19-DWright V28* EXCEL

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20

Standard Deviation and Range Charts
Revision Date: Apr 2013
Job Aids: Volume Control Chart Template EXCEL
| Volume Control Chart-DWright V00* EXCEL

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21

Calibration of LPG Provers
Revision Date: Jan 2015
Job Aids: Neck SOP 21-DWright V07* EXCEL | SOP 21-DWright V30* EXCEL

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23

Calibrations of PI Tapes Bench Method
Revision Date: Oct 2014

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26

Gravimetric Calibration of Dynamic Volumetric Systems used as Standards
Revision Date: Apr 2013

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28

Using Advanced Weighing Designs (IR5672)
Revision Date: Sept 2014
Job Aids: IR5672 Equations EXCEL | Advanced Mass Control Chart-DWright V00* EXCEL

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29

Assignment of Uncertainty
Revision Date: Sept 2014
Job Aids: Uncertainty Template EXCEL |
Uncertainty Budget Tables PDF | SOP 29 Worksheet DOC | SOP 29 Worksheet EXCELUncertainty Budget Template EXCEL

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30

Process Measurement Assurance Program
Revision Date: Sept 2014
Job Aids: Measurement Assurance System Inventory EXCEL

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33

Calibration of Weights Carts
Revision Date: Sept 2014
Job Aids: Weights Carts Control Chart-DWright V00* EXCEL | SOP 33 Control Chart-DWright V05* EXCEL | SOP 33-DWright V07* EXCEL

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34

Selection and Use of Sensitivity Weights and Tare Weights in Weighing Procedures
Revision Date: Sept 2014

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*File must have .xltx extension in order to work properly.
Instructions to Convert an XLSX file to XLTX template using Microsoft Excel
1. Open Microsoft Excel.
2. Click "File" in the top menu bar and select "Open."
3. Click "File" again and select "Save As.”
4. Give the file a name and select a save location, then click the "Save as type" drop-down menu and choose the "Excel Template (*.xltx)" option.
5. Click "Save" to save your XLSX document to XLTX format.

*
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