No. S 494
Prevention of Pollution of the Sea Act
(CHAPTER 243)
Prevention of Pollution of the Sea
(Noxious Liquid Substances in Bulk)
(Amendment) Regulations 2017
In exercise of the powers conferred by section 34 of the Prevention of Pollution of the Sea Act, the Maritime and Port Authority of Singapore, with the approval of the Minister for Transport, makes the following Regulations:
Citation and commencement
1.  These Regulations are the Prevention of Pollution of the Sea (Noxious Liquid Substances in Bulk) (Amendment) Regulations 2017 and come into operation on 1 September 2017.
Deletion and substitution of Appendix 1 of First Schedule
2.  Appendix 1 of the First Schedule to the Prevention of Pollution of the Sea (Noxious Liquid Substances in Bulk) Regulations 2006 (G.N. No. S 686/2006) is deleted and the following Appendix substituted therefor:
“APPENDIX 1
GUIDELINES FOR THE CATEGORIZATION OF
NOXIOUS LIQUID SUBSTANCES*
Products are assigned to Pollution Categories based on an evaluation of their properties as reflected in the resultant GESAMP Hazard Profile as shown in the table below:
Rule
A1
Bio-accumulation
A2
Bio-degradation
B1
Acute toxicity
B2
Chronic toxicity
D3
Long-term health effects
E2
Effects on marine wildlife and on benthic habitats
Cat
1
 
 
≥ 5
 
 
 
X
2
≥ 4
 
4
 
 
 
3
 
NR
4
 
 
 
4
≥ 4
NR
 
 
CMRTNI
 
5
 
 
4
 
 
 
Y
6
 
 
3
 
 
 
7
 
 
2
 
 
 
8
≥ 4
NR
 
Not 0
 
 
9
 
 
 
≥ 1
 
 
10
 
 
 
 
 
Fp, F or S
If not
Inorganic
11
 
 
 
 
CMRTNI
 
12
Any product not meeting the criteria of rules 1 to 11 and 13
Z
13
All products identified as: ≤ 2 in column A1; R in column A2; blank in column D3; not Fp, F or S (if not organic) in column E2; and 0 (zero) in all other columns of the GESAMP Hazard Profile
OS
__________________
*Reference is made to MEPC.1/Circ.512 on the Revised Guidelines for the provisional assessment of liquid substances transported in bulk.
Abbreviated legend to the revised GESAMP Hazard Evaluation Procedure
 
The Revised GESAMP hazard evaluation procedure
Columns A & B — Aquatic Environment
rating
A
Bioaccumulation and Biodegradation
B
Aquatic Toxicity
A1
Bioaccumulation
A2
Biodegradation
B1
Acute Toxicity
LC/EC/IC50 (mg/l)
B2
Chronic Toxicity
NOEC (mg/l)
log Pow
BCF
 
 
 
0
< 1 or > ca.7
no measurable
BCF
R: readily
biodegradable


NR: not readily
biodegradable
> 1000
> 1
1
≥ 1 ‒ < 2
≥ 1 ‒ < 10
> 100 ‒ ≤ 1000
> 0.1 ‒ ≤ 1
2
≥ 2 ‒ < 3
≥ 10 ‒ < 100
> 10 ‒ ≤ 100
> 0.01 ‒ ≤ 0.1
3
≥ 3 ‒ < 4
≥ 100 ‒ < 500
> 1 ‒ ≤ 10
> 0.001 ‒ ≤ 0.01
4
≥ 4 ‒ < 5
≥ 500 ‒ < 4000
> 0.1 ‒ ≤ 1
≤ 0.001
5
≥ 5 ‒ < ca.7
> 4000
> 0.01 ‒ ≤ 0.1
 
6
 
 
≤ 0.01
 
Columns C & D — Human Health (Toxic effects to mammals)
rating
C
D
Acute mammalian toxicity
Irritation, corrosion & long term health effects
C1
Oral toxicity
LD50/ATE (mg/kg)
C2
Dermal toxicity
LD50/ATE (mg/kg)
C3
Inhalation toxicity
LD50/ATE (mg/l)
D1
Skin irritation & corrosion
D2
Eye irritation & corrosion
D3
Long-term health effects
0
> 2000
> 2000
> 20
not irritating
not irritating
C ‒ Carcinogen

M ‒ Mutagenic

R ‒ Reprotoxic

Ss ‒ Sensitising to skin

Sr ‒ Sensitising to respiratory system

A ‒ Aspiration hazard

T ‒ Target Organ Toxicity

N ‒ Neurotoxic

I ‒ Immunotoxic
1
> 300 ‒ ≤ 2000
> 1000 ‒ ≤ 2000
> 10 ‒ ≤ 20
mildly irritating
mildly irritating
2
> 50 ‒ ≤ 300
> 200 ‒ ≤ 1000
> 2 ‒ ≤ 10
irritating
irritating
3
> 5 ‒ ≤ 50
> 50 ‒ ≤ 200
> 0.5 ‒ ≤ 2
severely irritating or corrosive

3A Corr.
(≤ 4 hr)
3B Corr.
(≤ 1 hr)
3C Corr.
(≤ 3 min)
Severely irritating
4
≤ 5
≤ 50
≤ 0.5
 
 
Column E — Interference with other uses of the sea
E1
Tainting
E2
Physical effects on wildlife & benthic habitats
E3
Numerical Rating
Interference with Coastal Amenities
NT: not tainting (tested)

T: tainting test positive
Fp: Persistent Floater

F: Floater

S: Sinking Substances
0
no interference
no warning
 
1
slightly objectionable
warning, no closure of amenity
 
2
moderately objectionable
possible closure of amenity
 
3
highly objectionable
closure of amenity
”.
[G.N. Nos. S 470/2013; S 868/2014; S 798/2015; S 667/2016]
Made on 28 August 2017.
NIAM CHIANG MENG
Chairman,
Maritime and Port Authority of Singapore.
[46/06.O02.V05/JL; AG/LEGIS/SL/243/2015/3 Vol. 1]
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