Notices > List of Activities which result in atmospheric emissions which have or may have a significant deterimental effect on the environment, including health, social conditions, economic conditions, ecological conditions or cultural heritage > Part 3 : Minimum Emission Standards

Category 7: Inorganic Chemicals Industry

(1)	Subcategory 7.1: Production and or Use in Manufacturing of Ammonia, Fluorine, Fluorine Compounds, Chlorine, and Hydrogen Cyanide

Description:	Production and or use in manufacturing of ammonia, fluorine, fluorine compounds, hydrogen cyanide and chlorine gas (Excluding metallurgical processes-related activities regulated under category 4).
Application:	All installations producing or using more than 100 tons per annum of any of the listed compounds.
Substance or mixture of substances		Plant status	mg/Nm3 under normal conditions of 273 Kelvin and 101.3kPa.
Common name	Chemical symbol
Hydrogen fluoride (from processes in which HF is evolved).	HF	New	5
		Existing	30
Chlorine (from processes in which CI2 is evolved).	CI2	New	50
		Existing	50
Ammonia (from processses in which NH3 is evolved).	NH3	New	30
		Existing	100
Hydrogen Cyanide (from processes in which HCN is evolved).	HCN	New	0.5
		Existing	2

(2)	Subcategory 7.2: Production of Acids

Description:	The production, bulk handling and or use in manufacturing of hydrofluoric, hydrochloric, nitric and sulphuric acid (including oleum) in concentration exceeding 10%. Processes in which oxides of sulphur are emitted through the production of acid sulphites of alkalis or alkaline earths or through the production of liquid suphur or sulphurous acid. Secondary production of hydrochloric acid through regeneration.
Application:	All installations producing, handling and or using more than 100 tons per annum of any of the listed compounds (Excluding metallurgical processes-related activities regulated under category 4).
Substance or mixture of substances		Plant status	mg/Nm3 under normal conditions of 273 Kelvin and 101.3kPa.
Common name	Chemical symbol
Total fluoride measured as Hydrogen Fluoride (from processes in which HF is evolved)	F as HF	New	5
		Existing	30
Hydrogen chloride (from primary production of hydrochloric acid)	HCI	New	15
		Existing	25
Hydrogen chloride (from secondary production of hydrochloric acid)	HCI	New	30
		Existing	100
Sulphur dioxide	SO2	New	350
		Existing	2800
Sulphuric acid mist and sulphur trioxide expressed as SO3 is evolved).	SO3	New	25
		Existing	100
Oxides of nitrogen expressed as NO2	NOx	New	350
		Existing	2000

(3)	Subcategory 7.3: Production of Chemical Fertilizer

Description:	The production of superphosphates, ammonium nitrate, ammonium phosphates and or ammonium sulphate and their processing into fertiliser mixtures (NPK mixtures).
Application:	All installations producing and or processing more than 10 tons per month.
Substance or mixture of substances		Plant status	mg/Nm3 under normal conditions of 273 Kelvin and 101.3kPa.
Common name	Chemical symbol
Particulate matter	N/A	New	50
		Existing	100
Total fluoride measured as Hydrogen Fluoride	F as HF	New	5
		Existing	30
Ammonia	NH3	New	50
		Existing	100

(4)	Subcategory 7.4: Production, Use in Production or Recovery of Antimony, Arsenic, Beryllium, Cadmium, Chromium, Colbalt, Lead, Mercury, and or Selenium, by the Application of Heat.

Description:	Production, use or recovery of antimony, arsenic, beryllium, cadmium, chromium, cobalt, lead, mercury, selenium thallium and their salts not covered elsewhere, excluding their use as catalyst.
Application:	All installations producing or using more than 1 ton per month.
Substance or mixture of substances		Plant status	mg/Nm3 under normal conditions of 273 Kelvin and 101.3kPa.
Common name	Chemical symbol
Particulate matter	N/A	New	10
		Existing	25

(a)	The following special arrangement shall apply —

Operators shall estimate the emissions of the metals using methods set out in Annexure A. Where the estimated emissions exceed 10 tons per annum for any one of the metals, or 25 tons per annum for a combination of the metals, an air quality impact assessment for the emissions shall be submitted to the licensing authority annually, commencing within one year of the publication of the notice.

(5)	Subcategory 7.5: Production of Calcium Carbide

Description:	Production of calcium Carbide
Application:	All installations producing more than 10 tons per month.
Substance or mixture of substances		Plant status	mg/Nm3 under normal conditions of 273 Kelvin and 101.3kPa.
Common name	Chemical symbol
Particulate matter	N/A	New	25
		Existing	100

(6)	Subcategory 7.6: Production or Use of Phosphorus and Phosphate Salts not mentioned elsewhere

Description:	Production or use of phosphorus and phosphate salts.
Application:	All installations producing or using more than 10 tons per month.
Substance or mixture of substances		Plant status	mg/Nm3 under normal conditions of 273 Kelvin and 101.3kPa.
Common name	Chemical symbol
Particulate matter	N/A	New	25
		Existing	50

(7)	Subcategory 7.7: Production of Caustic Soda

Description:	Production of caustic soda.
Application:	All installations producing more than 10 tons per month.
Substance or mixture of substances		Plant status	mg/Nm3 under normal conditions of 273 Kelvin and 101.3kPa.
Common name	Chemical symbol
Particulate matter	N/A	New	25
		Existing	50

National Environmental Management: Air Quality Act, 2004 (Act No. 39 of 2004)

Notices

List of Activities which result in atmospheric emissions which have or may have a significant deterimental effect on the environment, including health, social conditions, economic conditions, ecological conditions or cultural heritage

Category 7: Inorganic Chemicals Industry