Table 3. Recoveries of TBBPA from Spiked Samples by the VHH ELISA and the LC–MS/MS; Each Assay Was Carried out Three Times on the Same Day.

		average recovery (%) ± CV(%) (n = 3)
sample	spiked TBBPA (ng g–1/ng mL–1)	ELISA	LC–MS/MS
soil	10	102.0 ± 5.2	95.4 ± 0.3
	100	103.2 ± 3.5	96.6 ± 6.7
	1000	110.7 ± 4.8	92.6 ± 10.6
fetal bovine serum (FBS)	10	90.3 ± 6.8	90.8 ± 8.2
	100	93.3 ± 5.6	92.5 ± 6.0
	1000	95.6 ± 9.4	92.3 ± 3.4