Table III.

Summary of Acceptance Criteria for RSD According to the Horwitz Equation (%RSD = 2 (1–0.5 logC)) and for Mean Recovery (in Percent) for Each One of Concentration Levels Assayed

Analyte (μg/ml)	Analyte (%)	Analyte ratio	Horwitz %RSD	Mean recovery (%)
10	0.001	1.00E − 05	<11.3	80–110
80	0.008	8.00E − 05	<8.3	90–107
160	0.016	1.60E − 04	<7.5	95–105