SCHEDULE 1 ACTIVITIES AND INSTALLATIONS AND MOBILE PLANT

PART 1 ACTIVITIES
CHAPTER 4: THE CHEMICAL INDUSTRY SECTION 4.8: Storage of chemicals in bulk

PART B
The storage, other than as part of a Part A activity or in a tank for the time being forming part of a powered vehicle, of any substance listed in column 1 of Table 1, except where the total capacity of tanks used for storage is less than the amount specified in column 2 of the Table.

Table 1
Substance	Amount (in tonnes)
Any one or more acrylates	20
Acrylonitrile	20
Anhydrous ammonia	100
Anhydrous hydrogen fluoride	1
Toluene di-isocyanate	20
Vinyl chloride monomer	20
Ethylene	8,000

Interpretation of Part B
In this Part, “acrylate” means—
(a) acrylic acid,
(b) substituted acrylic acids,
(c) esters of acrylic acids, and
(d) esters of substituted acrylic acids.