20,
10
(> 1.5, <1.75
£3 > 1.75, <2.00
> 2,00, <2.25
WB > 2.25, <2.50
EBM > 2.50, <2.83
GROUND ZERO
Figure 15.
Contours of the Factor 10°OK for Obtaining an Approximate 95
Percent Confidence Interval for the Average Geometric Mean
Concentration 10P(v).
397