Table 2. Intra-day reproducibility for BPA in human plasma.

Day	Quality Control	Average	SD	% CV	Accuracy (%)	Inaccuracy (%)
1	QCL (70 ng/mL)	74.68	2.45	3.28	106.6	6.6
	QCM (800 ng/mL)	755.8	21.84	2.89	94.48	5.52
	QCH (1500 ng/mL)	1426	105.26	7.38	95	5
2	QCL (70 ng/mL)	61.4	5.05	8.22	87.72	12.28
	QCM (800 ng/mL)	723	32.53	4.5	90.38	9.62
	QCH (1500 ng/mL)	1434	96.7	6.7	95.68	4.32
3	QCL (70 ng/mL)	62.82	4.69	7.47	89.76	10.24
	QCM (800 ng/mL)	770.2	72.78	9.45	96.32	3.68
	QCH (1500 ng/mL)	1576	134.65	8.54	105.08	5.08

QCL: quality control low; QCM: quality control medium; QCH: quality control high; SD: standard deviation; CV: coefficient of variation