Table III Chlorpyrifos residue... | Emerald Publishing

Table III

Chlorpyrifos residue concentrations

					Percentiles
Surface wipe samples	Detected frequency (n=65)	Mean±SD	Min.	Max.	25	50	75	95
Hands (µg/hands)	40 (61.5%)	0.015±0.026	<LOD	0.212	0.005	0.014	0.016	0.026
Toys^a (µg/m²)	20 (57.14%)	1.287±0.757	<LOD	3.022	0.500	1.518	1.812	2.653
Floors/wooden beds (µg/m²)	35 (53.8%)	0.030±0.022	<LOD	0.096	0.010	0.033	0.041	0.081
Floors (µg/m²)	15 (23.0%)	0.024±0.019	<LOD	0.087	0.010	0.010	0.036	0.079
Wooden beds (µg/m²)	20 (30.8%)	0.036±0.024	<LOD	0.095	0.010	0.035	0.047	0.088
Feet (µg/feet)	20 (30.8%)	0.009±0.006	<LOD	0.032	0.005	0.005	0.015	0.019

					Percentiles
Surface wipe samples	Detected frequency (n=65)	Mean±SD	Min.	Max.	25	50	75	95
Hands (µg/hands)	40 (61.5%)	0.015±0.026	<LOD	0.212	0.005	0.014	0.016	0.026
Toys^a (µg/m²)	20 (57.14%)	1.287±0.757	<LOD	3.022	0.500	1.518	1.812	2.653
Floors/wooden beds (µg/m²)	35 (53.8%)	0.030±0.022	<LOD	0.096	0.010	0.033	0.041	0.081
Floors (µg/m²)	15 (23.0%)	0.024±0.019	<LOD	0.087	0.010	0.010	0.036	0.079
Wooden beds (µg/m²)	20 (30.8%)	0.036±0.024	<LOD	0.095	0.010	0.035	0.047	0.088
Feet (µg/feet)	20 (30.8%)	0.009±0.006	<LOD	0.032	0.005	0.005	0.015	0.019

Notes: ^a35 samples. LOD on hands=0.01 µg/hands; LOD on feet =0.01 µg/feet; LOD on floors or wooden beds=0.02 µg/m²; LOD on toys=1 µg/m²