Chwilio Deddfwriaeth

The Control of Major Accident Hazards Regulations 1999

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Notes

Ammonium nitrate (350/2500)

1.  This applies to ammonium nitrate and ammonium nitrate compounds in which the nitrogen content as a result of the ammonium nitrate is more than 28 per cent by weight (compounds other than those referred to in Note 2) and to aqueous ammonium nitrate solutions in which the concentration of ammonium nitrate is more than 90 per cent by weight.

Ammonium nitrate (1250/5000)

2.  This applies to simple ammonium-nitrate based fertilisers which conform with the requirements of the Fertilisers Regulations 1991(1), and to composite fertilisers in which the nitrogen content as a result of the ammonium nitrate is more than 28 per cent in weight (a composite fertiliser contains ammonium nitrate with phosphate or potash, or phosphate and potash).

Polychlorodibenzofurans and polychlorodibenzodioxins

3.  The quantities of polychlorodibenzofurans and polychlorodibenzodioxins are calculated using the following factors:

International Toxic Equivalent Factors (ITEF) for the congeners of concern (NATO/CCMS)
2, 3, 7, 8-TCDD1
1, 2, 3, 7, 8-PeDD0.5

1,2,3,4,7,8-HxCDD

1,2,3,6,7,8-HxCDD

1,2,3,7,8,9-HxCDD

0.1
1, 2, 3, 4, 6, 7, 8-HpCDD0.01
OCDD0.001
2, 3, 7, 8-TCDF0.1
2, 3, 4, 7, 8-PeCDF0.5
1, 2, 3, 7, 8-PeCDF0.05

1, 2, 3, 4, 7, 8-HxCDF

1, 2, 3, 7, 8, 9-HxCDF

1, 2, 3, 6, 7, 8-HxCDF

2, 3, 4, 6, 7, 8-HxCDF

0.1

1, 2, 3, 4, 6, 7, 8-HpCDF

1, 2, 3, 4, 7, 8, 9-HpCDF

0.01
OCDF0.001

(T=tetra, Pe=penta, Hx=hexa, Hp=hepta, O=octa)

(1)

S.I. 1991/2197; amended by S.I. 1995/16.

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