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Control of Industrial Major Accident Hazards (CIMAH) Report Page 39
Ranhill SAJ Sdn. Bhd. Revision 01
Part D: Information on the Potential Major Accident Date Aug 2019

Accident Location Hazardous Substance Event 1 Event 2
Consequence Maximum Distance Scenario KT1 Chlorine Rupture (Cylinder) Door Opened
A1
(m) B1 KT1 Chlorine 50mm Leak (Cylinder) Door Opened
C1 KT1 Chlorine 10mm Leak (Cylinder) Door Opened
4000 3890.48 D2 KT2 Chlorine Rupture (Drum) Scrubber failure
E2 KT2 Chlorine Rupture (Drum) Door Opened
3604.69 F2 KT2 Chlorine 50mm Leak (Drum) Door Opened
G2 KT2 Chlorine 10mm Leak (Drum) Door Opened
3500

3000 2888.3

2500

2000

1500
1159.94 1084.62
1000
596.28 612.68
500
257.71 286.61 214.53
47.4 4.49 47.7 4.7 27.88 3.31 12.23 42.41 32.11 32.26 4.81
0 10 (IDLH) 495 (50% fatality) 4827 (100% fatality) 10 (IDLH) 495 (50% fatality) 4827 (100% fatality) 10 (IDLH) 495 (50% fatality) 4827 (100% fatality) 10 (IDLH) 495 (50% fatality) 4827 (100% fatality) 10 (IDLH) 495 (50% fatality) 4827 (100% fatality) 10 (IDLH) 495 (50% fatality) 4827 (100% fatality) 10 (IDLH) 495

A1 B1 C1 D2 E2 F2 G2
KT1 WTP KT2 WTP
Concentration (ppm)
Figure D.6.1.4: Consequence Maximum Distance of an Accident Event and the Acute Health Effects (IDLH, 50% fatality and 100% fatality)