This is an Normalized OPSpecs chart with 50% AQA (analytical quality assurance) and with N=2 (2 control measurements).

This is an Normalized OPSpecs chart with 50% AQA (analytical quality assurance) and with N=2 (2 control measurements).

This is an example OPSpecs chart for a 10% analytical quality requirement with 90% AQA (analytical quality assurance) and with N=2 (2 control measurements).

This is a Normalized OPSpecs chart for 90% AQA (analytical quality assurance) and with N=2 (2 control measurements).