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Measurement Uncertainty

Measurement Uncertainty Values for Chemical Analysis

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 Site Accreditation C Mn Si S P Cu V Cr Ni
InfraBuild Steel – Laverton Steel Mill 1726 0.014 0.020 0.008 0.004 0.001 0.010 0.001 0.006 0.005
InfraBuild Steel – Sydney Steel Mill 2482 0.012 0.017 0.009 0.003 0.002 0.006 0.001 0.003 0.003
Bureau Veritas Minerals – Whyalla  794 0.006 0.008 0.006 0.001 0.001 0.001 0.002 0.060 0.002
 Site Accreditation Sn Mo Al Nb Ti B N Ca Ceq
InfraBuild Steel – Laverton Steel Mill 1726 0.001 0.001 0.002  0.001 0.0002 0.0005  0.015
InfraBuild Steel – Sydney Steel Mill 2482 0.001 0.001 0.001 0.001 0.0004 0.0001  0.003
Bureau Veritas Minerals – Whyalla  794 0.001 0.004 0.058 0.001 0.0010 0.0001  0.005  0.0003

InfraBuild Steel – Laverton Steel Mill and InfraBuild Steel – Sydney Steel Mill measure uncertainty as an ‘expanded uncertainty’ including uncertainty from sampling in the calculations. The expanded uncertainty has a coverage factor, K of 1.96.

Revision: November 2019

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