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Control of Industrial Major Accident Hazards (CIMAH) Report Page 16
Ranhill SAJ Sdn Bhd Revision 01
Part A: Information on the Hazardous Substances Date Aug 2019
A.4.0 PURITY OF HAZARDOUS SUBSTANCE
The degree of purity of the hazardous substance and the names of the main
impurities and their percentages
A.4.1 Purity of Chlorine
The purity of Chlorine delivered to KT1 & KT2 WTP is determined by the chlorine
manufacturer based on international standards. The manufacturer of chlorine that
supplies chlorine to the water treatment works carries out periodic analysis to ensure
that it meets the specifications. Chlorine produced by the manufacturer conforms to
both RSAJ Specification of Chlorine Used for Portable Water Supply (Specification
SAJ CH/CL/001) and Malaysian Standard MS 171:2013 - Specification for Chlorine
Used in Potable Water Supply. The chlorine supplied has a minimum requirement as
listed in Table A.4.1 below.
Parameters Specification
Chlorine content, % (v/v) 99.5 min
Moisture content, % (w/w) 0.01 max
Non-Volatile residue, mg/kg 300 max
Nitrogen Trichloride (NCl 3) content, mg/kg 30 max
Source: RSAJ (Specification SAJ CH/CL/001)
Table A.4.1: Supplied Chlorine Specification
