[MAT 43,275] Dispersant specification255 

255
(1) Every dispersant approved as an approved substance shall—
  • (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 NoTestType 1Type 2Type 3Method
    1AppearanceClear and homogeneousVisual examination
    2Dynamic viscosity at 0°C, mPa, maximum50250250ASTM D445
    IP 71
    BS 4708
    IP 34
    BS 2839
    3Flash point, °C minimum606060ASTM D93
    4Cloud point, °C (as received) maximum–10–10–10ASTM D2500
    IP 219
    5Efficiency index, %
    2000 minimum mPa fuel oil

    30

    30

    60
    The 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 oil45
    6Storage test (–10°C to 50°C for 7 days)PassPassThe 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
    7Miscibility with water
    (Type 2 only)
    PassType 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.