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The Marking of Plastic Explosive for Detection Regulations (Northern Ireland) 1996

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Regulation 2


Part IMeaning of “Explosive”

1.  For the purposes of these Regulations “explosive” means an explosive substance, commonly known as a “plastic explosive”, including such substance in flexible or elastic sheet form and whether or not contained in an explosive article, which is—

(a)formulated with one or more high explosives which in their pure form have a vapour pressure less than 10 −4 Pa at a temperature of 25°C;

(b)formulated with a binder material; and

(c)malleable or flexible at normal room temperature.

2.  The following explosives, even though meeting the description of explosives in paragraph 1 of this Part, shall not be considered to be explosives for the purposes of these Regulations as long as their manufacture or possession continues to be to a quantity and for a purpose specified in any of the sub-paragraphs (a) to (c) of this paragraph or they continue to satisfy the description specified in sub-paragraph (d) of this paragraph, namely any explosive—

(a)the manufacture or possession of which is to a quantity no greater than is necesssary for the purpose of and is solely for use in lawful research, development or testing of new or modified explosives;

(b)the manufacture or possession of which is to a quantity no greater than is necessary for the purpose of and is solely for use in lawful training in explosives detection or development or testing of explosives detection equipment;

(c)the manufacture or possession of which is to a quantity no greater than is necessary for the purpose and is solely for the purpose of lawful forensic science; or

(d)which is manufactured in the United Kingdom and destined to be incorporated as an integral part of an authorised military device in the United Kingdom before the date which is 3 years after the coming into operation of these Regulations.

3.  In this Part “high explosives” include but are not restricted to cyclotetramethylenetranitramine (HMX), pentaerythritol tetranitrate (PETN) and cyclotrimethylenetrinitramine (RDX).

Part IIDetection Agents


Name of detection agentMinimum concentration
Ethylene glycol dinitrate (EGDN)0.2% by mass
2, 3-Dimethyl-2, 3-dinitrobutane (DMNB)0.1% by mass
para-Mononitrotoluene (p-MNT)0.5% by mass
ortho-Mononitrotoluene (o-MNT)0.5% by mass

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