Determination of Organophosphorus Esters in Fall Protection Equipment by Accelerated Solvent Extraction and Solid-Phase Extraction Coupled with LC-MS/MS Detection

Table 2

The concentrations of OPEs in safety helmets and ropes (unit: ng/g).

	Safety helmet 1#		Safety helmet 2#		Safety rope 1#	Safety rope 2#	Safety rope 3#	Safety rope 4#
	Outside part	Inside part	Outside part	Inside part
TMP	<LOD	<LOD	<LOD	<LOD	0.637	1.602	<LOD	<LOD
TEP	<LOD	0.189	1.041	3.079	4.66	8.621	11.71	12.33
TPrP	0.158	<LOD	0.176	<LOD	0.05	0.357	0.2	0.212
TnBP	<LOD	0.536	0.139	1.914	5.782	55.86	6.022	5.788
TiBP	<LOD	<LOD	<LOD	0.149	1.545	14.82	1.027	0.414
TEHP	0.52	0.287	1.259	<LOD	0.475	58.83	0.409	3.686
TBEP	0.133	0.661	0.835	<LOD	0.145	0.775	0.114	0.166
TCPP	1.722	5.136	4.265	4.039	12.07	22.72	19.61	22.75
TCEP	<LOD	3.513	<LOD	3.465	5.804	18.76	12.07	21.33
TDCPP	<LOD	1.061	<LOD	0.796	1.516	8.505	5.363	3.216
TPhP	2.98	0.626	3.759	0.423	6.028	815.53	2.956	2.855
TMPP	0.132	0.071	0.219	0.045	0.505	10.02	1.222	4.675
CDPP	2.081	<LOD	1.424	<LOD	<LOD	2.08	1.222	1.867
EHDPP	51.71	26.84	95.29	32.66	53.54	11.07	28.39	175.69