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Bomb finder passes televised test

BACTEC INTERNATIONAL, the explosive ordnance survey, clearance and disposal firm, was put to the test on the BBC's Tomorrow's World science and technology TV programme last month.

The firm's Down-hole caesium pump magnetometry system (DCM) was used to find a 500kg German bomb buried 5m down on a site at an army training camp in Kent.

The patent pending system, developed by Bactec and site investigation contractor Fugro, uses Fugro's Cone Penetration Testing (CPT) equipment to push alloy rods and a nose cone housing magnetometer sensors into the ground at a controlled rate.

It is designed for intrusive bomb surveys on brownfield sites and can detect buried ferromagnetic anomalies from small objects up to those with the same characteristics as a 50kg bomb.

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