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ASTM D2156-08

Historical Reaffirmation

Standard Test Method for Smoke Density in Flue Gases from Burning Distillate Fuels

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1.1 This test method covers the evaluation of smoke density in the flue gases from burning distillate fuels. It is intended primarily for use with home heating equipment burning kerosine or heating oils. It can be used in the laboratory or in the field to compare fuels for clean burning or to compare heating equipment.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.2.1 Arbitrary and relative units are also used.

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.


This test method provides a means of controlling smoke production in home heating equipment to an acceptable level. Excessive smoke density adversely affects efficiency by heat-exchanger fouling.

The range of smoke densities covered by this test method is that which has been found particularly pertinent to home-heating application. It is more sensitive to small amounts of smoke than several other smoke tests as indicated in the following comparison:

Smoke Spot
Number
Icham, percent
Transmission
Ringelman
Smoke Number
0 1000
2 950
4 800
6 540
8 180
9 00
9 00 to 5

SDO ASTM: ASTM International
Document Number D2156
Publication Date Dec. 1, 2008
Language en - English
Page Count 3
Revision Level 08
Supercedes
Committee D02.E0
Publish Date Document Id Type View
Dec. 1, 2009 D2156-09 Revision
Not Available D2156-80R88E01 Revision
Not Available D2156-65R70 Revision
March 1, 2024 D2156-09R24 Reaffirmation
Oct. 1, 2018 D2156-09R18 Reaffirmation
Oct. 1, 2013 D2156-09R13 Reaffirmation
Dec. 1, 2008 D2156-08 Reaffirmation
Nov. 1, 2003 D2156-94R03 Reaffirmation
April 10, 1999 D2156-94R99 Reaffirmation