Journal of Environmental and Public Health

Research Article

An Evaluation of Potential Occupational Exposure to Asbestiform Amphiboles near a Former Vermiculite Mine

Table 3

Clothing wipe sample data reported by activity performed, task associated with activity, individual, and mean TEM concentrations.


Test Activity	Test Activity Task	Number Of Samples	^(a)Number Of Detects (TEM)	TEM Conc.5 m (structures/cm²)	TEM Conc.5 m (structures/cm²)	TEM Conc. Total Structures (structures/cm²)

Fire Line		8	4

	Brush Clearer			896	ND	896
	Chainsaw Operator			ND	ND	ND
	Chainsaw Operator			ND	ND	ND
	Pulaski Operator			1,344	1,792	3,135
	Pulaski Operator			448	448	896
	Comby Operator			896	ND	896
	Comby Operator			ND	ND	ND
	Data Recorder			ND	ND	ND

	Mean Concentrations			448	280	728

Trail Maintenance		5	3

	Brush Clearer			299	ND	299
				299	ND	299
				ND	ND	ND
	Chainsaw Operator			1,792	ND	1,792
	Data Recorder			ND	ND	ND

	Mean Concentrations			478	ND	478

Tree Measurement	Tree Measurer	5	4

				ND	ND	ND
				ND	448	448
				448	ND	448
				ND	448	448
				448	448	896

	Mean Concentrations			179	269	448

^(b)Walking	Walking	5	1

				ND	ND	ND
				ND	ND	ND
				ND	ND	ND
				896	ND	896
				ND	ND	ND

	Mean Concentrations			179	ND	179

^(a)ND : NonDetect, TEM analytical sensitivity : ( s/cm²). ^(b)One walking activity wipe sample (not reported) revealed chrysotile asbestos, not amphibole asbestos.