SCHEDULE 2

 

[(See rule 2(e)(ii), 4(1)(b), 4(2) (1) and 6(1)(b)]
Isolated storage at Installations other than those covered by Schedule 4

 

(a) The threshold quantities set out below relate to each installation or group of installations belonging to the same occupier where the distance between installation is not sufficient to avoid, in foreseeable circumstances, any aggravation of major accident hazards. These threshold quantities apply in any case to each group of installations belonging to the same occupier where the distance between the installations is less than 500 metres.

(b) For the purpose of determining the threshold quantity of hazardous chemical at an isolated storage, account shall also be taken of any hazardous chemical which is:-

(i) in that part of any pipeline under the control of the occupier having control of the site wh.ch is within 500 metres of that site and connected to it;

(ii) at any other site under the control of the same occupier any part of the boundary of which is within 500 metres of the said site; and

(iii) in any vehicle, vessel, aircraft or hovercraft, under the control of the same occupier which is used for storage purpose either at the site or within 500 metres of it;

but no account shall be taken of any hazardous chemical which is in a vehicle, vessel, aircraft or a hovercraft used for transporting it.

 

Sl. No.

Chemical

Threshold Qty.

(Tonnes)

A. Named Chemical

 

For rule 4, 5, 7-9, 13-15

For rule  10-12

1

Acrylonitrile

350

5,000

2

Ammonia

60

600

3

Ammonium nitrate (a)

350

2,500

4

Ammonium nitrate fertilizers (b)

1250

10,000

5

Chlorine

10

25

6

Liquid Oxygen

200

2,000

7

Sodium chlorate

25

250

8

Sulphur dioxide

20

500

9

Sulphur trioxide

15

100

10

Carbonyl chloride

0.750

0.750

11

Hydrogen sulphide

5

50

12

Hydrogen fluoride

5

50

13

Hydrogen cyanide

5

50

14

Carbon disulphide

20

200

15

Bromine

20

500

16

Ethylene oxide

5

501

17

Propylene oxide

5

50

18

2-Propenal (Acrolein)

20

200

19

Bromomethane (Methyl bromide)

20

200

20

Methyl isocyanate

0.150

0.150

21

Tetraethyl lead or tetramenthyl lead

5

50

22

1,2 Dibromoethane (Ethylene dibromide)

5

50

23

Hydrogen chloride (liquefied gas)

25

250

24

Diphenyl methane di-isocyanate (MDI)

20

200

25

Toluene di-isocyanate (TDI)

10

100

 
B. Classes of Hazardous Substances

 

 

 

1

Flammable gases as defined in Schedule 1, paragraph (b) (i)

50

300

2

Extremely flammable liquids as defined in Schedule 1, paragraph (b) (ii)

5000

50,000

3

Very Highly flammable liquids as defined in Schedule 1, paragraph (b) (iii)

7,000

7,000

4

Highly Flammable liquids as defined in Schedule 1, paragraph (b) (iv)

10,000

10,000

5

Flammable liquids as defined in Schedule 1, paragraph (b) v

1,00,000

1,00,000