Table 2.

Limits of detection (LOD), limits of quantification (LOQ), upper limits of quantification (ULOQ), percent recovery, matrix effect ratio, type of regression used for the calibration curve, and representative regression equations of targeted compounds.

Compound	LOD (ng/mL)	LOQ (ng/mL)	ULOQ (ng/mL)	% Recovery	Matrix effect ratio	Calibration curve regression utilized	Representative regression equation
α-TP	0.008	0.025	10,000	44	0.42	Linear	0.0038x + 0.0084
γ-TP	0.333	1.11	1,000	41	0.22	Linear	1.37e−4x + 2.87e−5
α-TT	0.029	0.095	1,000	44	0.36	Linear	0.0047x + 4.4e−5
γ-TT	0.125	0.417	1,000	42	0.35	Linear	0.002x − 4.21e−4
α-CMBHC	0.010	0.032	1,000	66	0.42	Quadratic	−2.1e−5x2 + 0.069x + 0.270
α-CEHC	0.022	0.074	1,000	93	0.54	Quadratic	−1.2e−5x2 + 0.054x + 0.130
γ-CEHC	0.026	0.087	1,000	96	0.53	Quadratic	−3.9e−6x2 + 0.016x + 0.056