API MPMS CH 12.1.1 : 2019

1 Scope
2 Normative References
3 Definitions
4 Interrelationship between Chapter 12 and Chapter 11.1
5 Hierarchy of Accuracies
6 Rounding and Discrimination
7 Observed Data (Input, Direct, or Primary)
8 Calculated Data (Indirect or Secondary)
9 Calculation of Gross Observed Volume (GOV)
10 Calculation of Gross Standard Volume (GSV) and
   Total Calculated Volume (TCV) -
   Shore Tanks and Marine Vessel's Tanks
11 Calculation of Net Standard Volume (NSV)
12 Calculation of Mass (Weight in Vacuum) and
   Weight (Weight in Air)
13 Direct Mass Measurement
14 Calculation Sequence
15 Calculation of Transferred Volumes for Custody Transfer
16 Miscellaneous
Annex A (normative) - Examples of Shore Tank and Marine
        Vessel Tank Calculations
Annex B (normative) - Example of Shell Temperature
        Correction Factors for Expansion and Contraction of
        Upright Cylindrical Steel Tanks Due To Temperature
Annex C (normative) - Examples of Both Floating Roof Adjustments
        and Corrections
Annex D (informative) - Linear Thermal Expansion Coefficients of
        Steel
Annex E (informative) - Excerpt from HM 43 - Temperature
        Corrections In Tank Calibration and Gauging, Petroleum
        Measurement Paper No 11 - September 1999,
        Annex C - Effect of Temperature On Tank Capacity
Bibliography

Helps the user through the steps necessary to calculate static liquid quantities, at atmospheric conditions, in upright, cylindrical tanks and marine tank vessels.