Measurement Uncertainty Values for Chemical Analysis

 

 Site Accreditation C Mn Si S P Cu V Cr Ni Sn Mo

 Liberty Steel

 Laverton Steel Mill

1726 0.014 0.020 0.008 0.004 0.001 0.010 0.001 0.006 0.005 0.0007 0.001

 Liberty Steel

 Sydney Steel Mill

2482 0.016 0.021 0.009 0.003 0.002 0.011 0.001 0.005 0.005 0.0009 0.001

 Bureau Vertias

 Minerals - Whyalla

 834 0.006 0.008 0.006 0.001 0.001 0.001 0.002 0.06 0.002   0.004

 

 Site Accreditation Al N Nb Ti W Co Ca B Pb Zn Ceq

 Liberty Steel

 Laverton Steel Mill

1726 0.002   0.001 0.0002 0.0016 0.0003   0.0005     0.015

 Liberty Steel

 Sydney Steel Mill

2482 0.001 0.003 0.003 0.0005       0.0001 0.002 0.001  

 Bureau Vertias

 Minerals - Whyalla

 834 0.058 0.005 0.001 0.001     0.0003        

 

Liberty Steel - Laverton and Sydney Steel Mills measure uncertainty is an "expanded uncertainty" including uncertainty from sampling in the calculations. The expanded uncertainty has a coverage factor, K of 1.96.

 

Revision: September 2018