Page 31 - E:\CloudStation\Project\1 DONE\Ranhill CIMAH\Flip Book\

Control of Industrial Major Accident Hazards (CIMAH) Report Page 4
Ranhill SAJ Sdn Bhd Revision 01
Part A: Information on the Hazardous Substances Date Aug 2019

and justified. Based on the information given in Table A1.1, those substances could
be potential initiating events of major accident events (MAEs).

Hazardous Hazardous Quantity Likely Threshold
Substance Classification Onsite (tonnes) Quantity Ref.

Substances above Threshold Quantity

12.6 tonnes 10 Group 2-Toxic
Chlorine Toxic Substances (KT1 = 3.3 tonnes; tonnes Substances (quantity >
KT2 = 9.3 tonnes) 1 tonne) of Schedule 2

Substances above 10% of Threshold Quantity

Sodium Other Toxic 5.4 tonnes 10
Silicofluoride Substances (KT1 = 2.4 tonnes; tonnes Item 2 of Schedule 1
KT2 = 3.0 tonnes)
Substances below 10% of Threshold Quantity which could be a potential Initiating Event of Major
Accident *

Hazardous Hazardous Quantity Likely Threshold Ref.
Substance Classification Onsite (Litres) Quantity

Nil - - - -

Chemicals not classified as hazardous substances as per Schedule 1 and Schedule 2 of the
CIMAH Regulations 1996.

Name of Chemical Quantity likely onsite

Polyaluminium Chloride 64.5 tonnes
(KT1 = 24 tonnes; KT2 = 40.5 tonnes)

Soda Ash 69 tonnes
(KT1 = 24 tonnes; KT2 = 45 tonnes)
Source: KT1 & KT2 WTP

Table A.1.1 List of Hazardous Substances on-site