[MAT 43,275] Dispersant specification255
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- (a)be categorised as conforming to one of the following types—
- (i)type 1: Conventional hydrocarbon base. For use undiluted from appropriate spray equipment, using breaker boards or other suitable means of application and agitation;
- (ii)type 2: Water dilutable concentrate. For use after dilution with sea water and sprayed from appropriate spray equipment, using breaker boards or other suitable means of application and agitation; or
- (iii)type 3: Concentrate. For use undiluted from aircraft or ships, using appropriate spray equipment;
- (b)comply with each of the tests set out in Table 4 for Type 1, 2 or 3 dispersants, as appropriate;
- (c)comply with the marine ecological toxicity testing standards using organisms relevant to the Fiji environment, conducted in accordance with the specifications contained in Schedule 2 of this Part by a recognised laboratory;
- (d)have documentation issued that complies with subregulation (2);
- (e)retain, when suitably stored in its original sealed containers in temperate climates (–20°C to 40°C), the properties described in paragraph (b) for a period of not less than 2 years commencing at the date of dispatch from the supplier; and
- (f)not contain benzene, chlorinated hydrocarbons, phenols, caustic alkali, free mineral acid, or compounds which could expose the user to an unacceptable toxicological hazard during normal spraying or handling operations.
Table 4 Test No Test Type 1 Type 2 Type 3 Method 1 Appearance Clear and homogeneous Visual examination 2 Dynamic viscosity at 0°C, mPa, maximum 50 250 250 ASTM D445
IP 71
BS 4708
IP 34
BS 28393 Flash point, °C minimum 60 60 60 ASTM D93 4 Cloud point, °C (as received) maximum –10 –10 –10 ASTM D2500
IP 2195 Efficiency index, %
2000 minimum mPa fuel oil
30
30
60The dispersant supplied shall consist of suitable ionic or non-ionic surfactants, or a blend of such surfactants, dissolved in a suitable solvent to be efficient at the specified index for the specified fuel 500 minimum mPa fuel oil — — 45 6 Storage test (–10°C to 50°C for 7 days) Pass Pass — The surfactants shall be wholly soluble in the solvent, and shall remain distributed uniformly at all temperatures from –10°C to 50°C when stored for periods up to 7 days 7 Miscibility with water
(Type 2 only)— Pass — Type 2 dispersants shall be miscible with sea water at 1:10 concentration, the resulting solution or emulsion having a viscosity not greater than that of the original dispersant alone Abbreviations—
“ASTM International” formerly American Society for Testing and Materials
“BS” British Standard
“IP” Institute of Petroleum
(2) Documentation of the tests set out in subregulations (1)(b) and (1)(c) shall comprise—
- (a)a copy of the test results and supporting data;
- (b)in the case of the marine ecological toxicity test—
- (i)the tests used, including—
- (A)a full description of the test species and test methods;
- (B)acclimation procedures;
- (C)daily animal observations, feeding and medium changes;
- (D)results and statistical analyses including control treatment survivorship; and
- (E)reference toxicant tests; and
- (ii)details of the testing laboratory’s accreditation; and
- (c)certification signed by the relevant officers of the manufacturer stating that a representative product sample was supplied for testing and the testing laboratory stating that the testing was done using generally accepted laboratory practices and that they believe the results are accurate.
The Laws of Fiji