New South Wales Consolidated Regulations

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WORK HEALTH AND SAFETY REGULATION 2017 - SCHEDULE 15

SCHEDULE 15 – Hazardous chemicals at major hazard facilities (and their threshold quantity)

(Chapter 9)

1 Definitions

In this Schedule--

"Class" has the same meaning as in the ADG Code.

"Division" has the same meaning as in the ADG Code.

"Packing Group" has the same meaning as in the ADG Code.

"subsidiary risk" has the same meaning as in the ADG Code.

2 Relevant hazardous chemicals

The hazardous chemicals that characterise a workplace as a facility for the purposes of this Regulation are the chemicals specifically referred to in Table 15.1 and chemicals that belong to the types, classes and categories referred to in Table 15.2.

3 Threshold quantity of one hazardous chemical

(1) In relation to each hazardous chemical referred to in clause 2, Column 3 of Tables 15.1 and 15.2 provides a quantity that is described as the "threshold quantity" of that chemical.
(2) If a hazardous chemical is referred to in Table 15.1, the
"threshold quantity" of the chemical is that described in Table 15.1, whether or not the chemical also belongs to a type, class or category referred to in Table 15.2.
(3) If a hazardous chemical is not referred to in Table 15.1, and the chemical belongs to a type, class or category referred to in Table 15.2, the
"threshold quantity" of that chemical is that of the type, class or category to which it belongs.
(4) If a hazardous chemical is not referred to in Table 15.1, and the chemical appears to belong to more than 1 of the types, classes or categories referred to in Table 15.2, the
"threshold quantity" of that chemical is that of the relevant type, class or category which has the lower or lowest threshold quantity.

4 Threshold quantity of more than 1 hazardous chemical

If there is more than 1 hazardous chemical, a threshold quantity of chemicals exists where, if a number of chemicals are present, the result of the following aggregation formula exceeds 1--

graphic

5 How Table 15.1 must be used

(1) The UN number listed in Table 15.1 against the named hazardous chemical does not restrict the meaning of the name, which also applies to hazardous chemicals that fall outside the UN number.
Examples :
1 The hazardous chemicals are too dangerous to be transported.
2 The hazardous chemicals are part of mixtures covered by a different UN number.
(2) Any hazardous chemicals that are covered by the listed UN numbers must be included in the quantity of the chemical named.

6 How Table 15.2 must be used

(1) The quantities specified for explosives in Table 15.2 relate to the weight of explosive exclusive of packagings, casings and other non-explosive components.
(2) If explosives of different hazard divisions are present in the same area or storage, all of the explosives must, before Table 15.2 is applied, be classified in accordance with the following table--

Div. 1.1 1.2 1.3 1.4 1.5 1.6
1.1 1.1 1.1 1.1 1.1 1.1 1.1
1.2 1.1 1.2 1.1 1.2 1.1 1.2
1.3 1.1 1.1 1.3 1.3 1.1 1.3
1.4 1.1 1.2 1.3 1.4 1.5 1.6
1.5 1.1 1.1 1.1 1.5 1.5 1.5
1.6 1.1 1.2 1.3 1.6 1.5 1.6

Table 15.1

Column 1 Column 2 Column 3
Item Hazardous chemical UN Nos included under name Threshold quantity (tonnes)
1 ACETONE CYANOHYDRIN 1541 20
2 ACETYLENE 1001 50
3 ACROLEIN 1092 200
4 ACRYLONITRILE 1093 200
5 ALLYL ALCOHOL 1098 20
6 ALLYLAMINE 2334 200
7 AMMONIA, ANHYDROUS, LIQUEFIED or AMMONIA SOLUTIONS, relative density less than 0.880 at 15 degrees C in water, with more than 50% ammonia 1005 200
8 AMMONIUM NITRATE FERTILISERS 2067
2068
2069
2070 		5000
9 AMMONIUM NITRATE, with not more than 0.2% combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance 1942 2500
10 ARSENIC PENTOXIDE, Arsenic (V) Acid and other salts 1559 10
11 ARSENIC TRIOXIDE, Arsenious (III) Acid and other salts 1561 0.1
12 ARSINE 2188 1.0
13 BROMINE or BROMINE SOLUTIONS 1744 100
14 CARBON DISULFIDE 1131 200
15 CHLORINE 1017 25
16 DIOXINS -- 0.1
17 ETHYL NITRATE -- 50
18 ETHYLENE DIBROMIDE 1605 50
19 ETHYLENE OXIDE 1040 50
20 ETHYLENEIMINE 1185 50
21 FLUORINE 1045 25
22 FORMALDEHYDE (greater than 90%) -- 50
23 HYDROFLUORIC ACID SOLUTION (greater than 50%) 1790 50
24 HYDROGEN 1049 50
25 HYDROGEN CHLORIDE
--Anhydrous 1050 250
--Refrigerated Liquid 2186 250
26 HYDROGEN CYANIDE 1051
1614 		20
27 HYDROGEN FLUORIDE 1052 50
28 HYDROGEN SULFIDE 1053 50
29 LP GASES 1011
1012
1075
1077
1978 		200
30 METHANE or NATURAL GAS 1971
1972 		200
31 METHYL BROMIDE 1062 200
32 METHYL ISOCYANATE 2480 0.15
33 OXIDES OF NITROGEN, including nitrous oxide, nitrogen dioxide and nitrogen trioxide 1067
1070
1660
1975
2201
2421 		50
34 OXYGEN 1072
1073 		2000
35 PHOSGENE 1076 0.75
36 PROPYLENE OXIDE 1280 50
37 PROPYLENEIMINE 1921 200
38 SODIUM CHLORATE, solid 1495 200
39 SULFUR DICHLORIDE 1828 1
40 SULFUR DIOXIDE, LIQUEFIED 1079 200
41 SULFURIC ANHYDRIDE (Alt. SULFUR TRIOXIDE) 1829 75
42 TITANIUM TETRACHLORIDE 1838 500
43 TOLUENE DIISOCYANATE 2078 200

Table 15.2

Column 1 Column 2 Column 3
Item Hazardous chemical Description Threshold quantity (tonnes)
1 Explosive materials Explosive of Division 1.1A 10
All other explosives of Division 1.1 50
Explosive of Division 1.2 200
Explosive of Division 1.3 200
2 Compressed and liquefied gases Compressed or liquefied gases of Division 2.1 or Subsidiary Risk 2.1 200
Liquefied gases of Subsidiary Risk 5 200
Compressed or liquefied gases that meet the criteria for Very Toxic in Table 15.3 20
Compressed or liquefied gases that meet the criteria for Toxic in Table 15.3 200
3 Flammable materials Liquids that meet the criteria for Class 3 Packing Group I Materials (except for crude oil in remote locations) 200
Crude oil in remote locations that meets the criteria for Class 3 Packing Group I 2,000
Liquids that meet the criteria for Class 3 Packing Group II or III 50,000
Liquids with flash points <61°C kept above their boiling points at ambient conditions200
Materials that meet the criteria for Division 4.1 Packing Group I 200
Spontaneously combustible materials that meet the criteria for Division 4.2 Packing Group I or II 200
Materials that liberate flammable gases or react violently on contact with water which meet the criteria for Division 4.3 Packing Group I or II 200
Materials that belong to Classes 3 or 8 Packing Group I or II which have Hazchem codes of 4WE (materials that react violently with water) 500
4 Oxidising materials Oxidising material listed in Appendix A to the ADG Code 50
Oxidising materials that meet the criteria for Division 5.1 Packing Group I or II 200
5 Peroxides Peroxides that are listed in Appendix A to the ADG Code 50
Organic Peroxides that meet the criteria for Division 5.2 200
6 Toxic solids and liquids Materials that meet the criteria for Very Toxic in Table 15.3 except materials that are classified as Infectious Substances (Division 6.2) or as Radioactive (Class 7) 20
Materials that meet the criteria for Toxic in Table 15.3 200

Table 15.3 Criteria for toxicity

Description Oral Toxicity 1 LD 50 (mg/kg) Dermal Toxicity 2 LD 50 (mg/kg) Inhalation Toxicity 3 LC 50 (mg/L)
Very Toxic LD 50 ≤ 5 LD 50 ≤ 40 LC 50 ≤ 0.5
Toxic 5 < LD 50 ≤ 5040 < LD 50 ≤ 2000.5 < LC 50 ≤ 2
Key:
1 In rats
2 In rats or rabbits
3 4 hours in rats


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