Significance and Use
5. Significance and UseTop 
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5.1 Some fuel dilution of the engine oil may take place during normal operation. However, excessive fuel dilution is of concern in terms of possible performance problems.
1. Scope
1.1 This test method covers determination of the amount of dilution in crankcase oils of engines when gasoline has been used as the fuel.
Note 1???
There may be cases in dispute, therefore, the user of this test method is advised to establish whether this method will be accepted. There may be cases where Test Method D3525 results will be set as the referee value. 1.2 The values stated in acceptable SI units are to be regarded as the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statement, see 6.4, 7.1, and 9.3.
2. Referenced Documents (purchase separately) 
The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D235 Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)
D3525 Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Gas Chromatography
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products
Keywords
distillation; engine oils; gasoline distillation; used;
ICS Code
ICS Number Code 75.160.20 (Liquid fuels)
DOI: 10.1520/D0322-97R12
ASTM International is a member of CrossRef.
Citing ASTM Standards
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