Range Of Exposure Times And Median Exposure Time Observed By The Safety

Range Of Exposure Times And Median Exposure Time Observed By The Safety Table 3 shows the range of exposure times and the median exposure time observed by the safety practitioner and reported in interviews by the worker for a number of hand tools grouped by occupation. The median ratio of the exposure times observed by the safety practitioner to the exposure times reported in interview and to the exposure times self reported in the questionnaire were calculated per hand tool and vehicle type (presented in table 8, table 9). ratios are calculated for hand tools where more than one workplace observation was.

Range Of Exposure Times And Median Exposure Time Observed By The Safety Occupation tool n range of observed exposure times (min) median of observed exposure time (min) range of interview reported exposure times (min) carpenter circular saw battery drill bandsaw 9 3 3 15e91 22e94 36e62 42 28 49 30e120 30e120 30e90 60 60 60 general operative concrete scabbler consaw battery drill power washer chainsaw 2 2 2 1 2 52e63. The estimated median vibration a (8) exposure is 2.2 m s 2 (range 0.4–4.9 m s 2) for the right hand and 1.8 m s 2 (range 0.3–5.3 m s 2) for left hand. medical examinations a medical examination was performed by an experienced physician including 2 pd test, semmes weinstein’s monofilament test (5 filament kit), sensitivity to pain (needle. Exposure times reported in interview were higher, than those observed, but more reliable than those self reported in the questionnaire; a factor of 2.1 (median value) times greater for hav and a factor of 1.4 (median value) times greater for wbv. Figure 3 low dose extrapolation methods for estimating risk. approaches are shown for extrapolation to exposures below the range of available health effects data. panel (a) shows a hypothetical exposure response curve with the probability of adverse effect shown to increase with increasing exposure concentration.