Rerub the Lewisite Detecting Tablet with the rubbing tab
(Figure 1-12). Make sure the second rub mark is next to
the first rub mark. Immediately observe spots for a
color difference between the two marks.
Immediately turn the sampler over to determine safe or
danger conditions (Figure 1-13). Color comparisons can
also be made by the operator using those shown on the
NOTE: Disregard blue area under Nerve Spot Rim.
Figure 1-12. Perform Steps using No. 5 Ampoules,
then rerub Lewisite Tablet
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