Lesson 4/Learning Event 2
Contamination markers are placed above the ground with the right-angle apex down. The markers
are attached to wire boundary fences, poles, trees, or rocks, When these items are not available, the
marker may be emplaced by placing the apex or bottom of the marker into the ground away from
grass or other undergrowth that would prevent viewing. The marker is emplaced so that the front of
the marker is facing away from the contaminated area
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