Guidance document on Sulphur in Diesel Fuel Regulations: questions on section 4


Questions on Section 4 of the Regulations

Section 4: Analysis

4.1 Why are specific test methods stipulated in the Sulphur in Diesel Fuel Regulations?

Test methods are specified in order to provide certainty and consistency in the enforcement of the regulations.


4.2 What happens if the test method is amended?

Any amendment to a test method is automatically incorporated into the regulations (refer to subsection 1(2)).


4.3 Why was the test method changed from CAN/CGSB-3.0 No. 16.0-95 to ASTM D 5453-00 after December 31, 2003?

ASTM D 5453-00 has increased accuracy for lower sulphur levels. This was recommended to Environment Canada by the CGSB.


4.4 How do I get copies of the test method?

The method can be purchased from the American Society for Testing and Materials (ASTM):

ASTM International
100 Barr Harbor Drive
PO Box C700
West Conshohocken , Pennsylvania
USA
19428-2959

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