Default QC Test Definitions

QC test

Reported Value Equation

Pass Test Equation

ICB

MeasuredConc

abs(ReportValue) <= CRQL

CCB

MeasuredConc

abs(ReportValue) <= CRQL

ICV

MeasuredConc / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit

CCV

MeasuredConc / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit

LCS

MeasuredConc / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit

MSPK

(MeasuredConc - MeasuredConc(PreviousSample)) / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit

MSD

Matrix Spike

(MeasuredConc - MeasuredConc(PreviousSample)) / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit

Duplicate

abs(MeasuredConc(MSPK) - MeasuredConc) / ((MeasuredConc(MSPK) + MeasuredConc) / 2) * 100

ReportValue < PercentDiff

DUP

abs(MeasuredConc(PreviousSample) - MeasuredConc) / ((MeasuredConc(PreviousSample) + MeasuredConc) / 2) * 100

ReportValue < PercentDiff

CRS

MeasuredConc / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit

PBLK

MeasuredConc

abs(ReportValue) <= CRQL

SER

abs(MeasuredConc(PreviousSample) - MeasuredConc) / MeasuredConc(PreviousSample) * 100

(ReportValue < PercentDiff) or (MeasuredConc(PreviousSample) < 50*MDL)

QCSPK

(MeasuredConc - MeasuredConc(PreviousSample)) / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit

ICSA

MeasuredConc

abs(ReportValue) <= CRQL

ICSAB

MeasuredConc / DefinedConc * 100

ReportValue >= LowerLimit and ReportValue <= UpperLimit