User's Manual

FIELD EQUIPMENT
NUSEIS
Geophysical Technology Inc Field Equipment Page | 56
Subsurface Retrieval Tool
• This Retrieval Tool is used to safely and effectively remove an NRU that has been planted with
the top even or just below the surface of the ground to hide it from easy view and for surface
planted NRU as seen in Figure 43 below
Figure 43
• If an NRU has been planted below ground level, use the foot pedal to push the tool tines down
till they contact the NRU stainless steel ring.
• Lever the NRU up till it can be pulled from the ground easily.
• Push on the soil around the hole with your feet to settle the disturbed earth back into the NRU
hole.
Figure 44