SCHEDULE 1Activities, installations and mobile plant

PART 1Interpretation and application: general

References to releases into water7

1

References in Part 2 of this Schedule to a substance, or to the release into water of a substance, listed in this sub-paragraph or to its release in a quantity which, in any 12-month period, is greater than the background quantity by an amount specified in this sub-paragraph are references to the following substances and amounts—

Table

Substance

Amount greater than the background quantity (in grams) in any 12-month period

Mercury and its compounds

200 (expressed as metal)

Cadmium and its compounds

1,000 (expressed as metal)

All isomers of hexachlorocyclohexane

20

All isomers of DDT

5

Pentachlorophenol and its compounds

350 (expressed as PCP)

Hexachlorobenzene

5

Hexachlorobutadiene

20

Aldrin

2

Dieldrin

2

Endrin

1

Polychlorinated Biphenyls

1

Dichlorvos

0.2

1, 2-Dichloroethane

2,000

All isomers of trichlorobenzene

75

Atrazine

3501

Simazine

3501

Tributyltin compounds

4 (expressed as TBT)

Triphenyltin compounds

4 (expressed as TPT)

Trifluralin

20

Fenitrothion

2

Azinphos-methyl

2

Malathion

2

Endosulfan

0.5

1 Where both Atrazine and Simazine are released, the figure for both substances in aggregate is 350 grams.

2

In sub-paragraph (1), “background quantity” means, in relation to the release of a substance resulting from an activity, such quantity of that substance as is present in—

a

water supplied to the site where the activity is carried on,

b

water abstracted for use in the activity, and

c

precipitation onto the site on which the activity is carried on.