Table 4: Postactivity TEM chainsaw bar wipe sample results reported as concentration of amphibole asbestos 5 microns long, 5 microns long, and total structures per square centimeter.
Activity Performed
TEM (s/cm2) 5 m
TEM (s/cm2) 5 m
TEM (s/cm2) Total Asbestos
Fire Line Construction
8,600
3,225
11,825
Trail Maintenance
2,688
ND(a)
2,688
Fire Line Construction
896
ND(a)
896
(a)ND : NonDetect; TEM analytical sensitivity : (896 s/cm2).