Standard Guide for Microbial Contamination in Fuels and Fuel Systems

SIGNIFICANCE AND USE
This guide provides information addressing the conditions that lead to fuel microbial contamination and biodegradation and the general characteristics of and strategies for controlling microbial contamination. It compliments and amplifies information provided in Practice D4418 on handling gas-turbine fuels. More detailed information may be found in the IP Guidelines and in ASTM Manual 47.
This guide focuses on microbial contamination in refined petroleum products and product handling systems. Uncontrolled microbial contamination in fuels and fuel systems remains a largely unrecognized but costly problem at all stages of the petroleum industry from crude oil production through fleet operations and consumer use. This guide introduces the fundamental concepts of fuel microbiology and biodeterioration control.
This guide provides personnel who are responsible for fuel and fuel system stewardship with the background necessary to make informed decisions regarding the possible economic or safety, or both, impact of microbial contamination in their products or systems.
SCOPE
1.1 This guide provides personnel who have a limited microbiological background with an understanding of the symptoms, occurrence, and consequences of chronic microbial contamination. The guide also suggests means for detection and control of microbial contamination in fuels and fuel systems. This guide applies primarily to gasoline, aviation, boiler, industrial gas turbine, diesel, marine, furnace fuels and blend stocks (see Specifications D396, D910, D975, D1655, D2069, D2880, D3699, D4814, D6227, and D6751), and fuel systems. However, the principles discussed herein also apply generally to crude oil and all liquid petroleum fuels. ASTM Manual 47 provides a more detailed treatment of the concepts introduced in this guide; it also provides a compilation of all of the standards referenced herein that are not found in the Annual Book of ASTM Standards, Section Five on Petroleum Products and Lubricants.
1.2 This guide is not a compilation of all of the concepts and terminology used by microbiologists, but it does provide a general understanding of microbial fuel contamination.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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.

General Information

Status
Historical
Publication Date
30-Nov-2008
Current Stage
Ref Project

Relations

Effective Date
01-Dec-2008
Effective Date
01-Dec-2008

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ASTM D6469-08e1 - Standard Guide for Microbial Contamination in Fuels and Fuel Systems
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
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Designation: D6469 – 08
Standard Guide for
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Microbial Contamination in Fuels and Fuel Systems
This standard is issued under the fixed designation D6469; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
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´ NOTE—Removed all instances of the acronym for Jet Fuel Thermal Oxidation Tester editorially in April 2010.
1. Scope D130 Test Method for Corrosiveness to Copper from Pe-
troleum Products by Copper Strip Test
1.1 This guide provides personnel who have a limited
D396 Specification for Fuel Oils
microbiological background with an understanding of the
D445 Test Method for Kinematic Viscosity of Transparent
symptoms, occurrence, and consequences of chronic microbial
and Opaque Liquids (and Calculation of Dynamic Viscos-
contamination. The guide also suggests means for detection
ity)
and control of microbial contamination in fuels and fuel
4
D515 Test Methods for Phosphorus in Water
systems. This guide applies primarily to gasoline, aviation,
D664 Test Method forAcid Number of Petroleum Products
boiler, industrial gas turbine, diesel, marine, furnace fuels and
by Potentiometric Titration
blend stocks (see Specifications D396, D910, D975, D1655,
D888 Test Methods for Dissolved Oxygen in Water
D2069, D2880, D3699, D4814, D6227, and D6751), and fuel
D910 Specification for Aviation Gasolines
systems. However, the principles discussed herein also apply
D974 Test Method for Acid and Base Number by Color-
generally to crude oil and all liquid petroleum fuels. ASTM
2
Indicator Titration
Manual 47 provides a more detailed treatment of the concepts
D975 Specification for Diesel Fuel Oils
introduced in this guide; it also provides a compilation of all of
D1067 Test Methods for Acidity or Alkalinity of Water
thestandardsreferencedhereinthatarenotfoundinthe Annual
D1126 Test Method for Hardness in Water
Book of ASTM Standards, Section Five on Petroleum Products
D1293 Test Methods for pH of Water
and Lubricants.
D1298 Test Method for Density, Relative Density (Specific
1.2 Thisguideisnotacompilationofalloftheconceptsand
Gravity), or API Gravity of Crude Petroleum and Liquid
terminology used by microbiologists, but it does provide a
Petroleum Products by Hydrometer Method
general understanding of microbial fuel contamination.
D1331 Test Methods for Surface and Interfacial Tension of
1.3 The values stated in SI units are to be regarded as
4
Solutions of Surface-Active Agents
standard. No other units of measurement are included in this
D1426 Test Methods for Ammonia Nitrogen In Water
standard.
D1655 Specification for Aviation Turbine Fuels
1.4 This standard does not purport to address all of the
D1744 Test Method for Determination of Water in Liquid
safety concerns, if any, associated with its use. It is the
4
Petroleum Products by Karl Fischer Reagent
responsibility of the user of this standard to establish appro-
D1976 Test Method for Elements in Water by Inductively-
priate safety and health practices and determine the applica-
Coupled Argon Plasma Atomic Emission Spectroscopy
bility of regulatory limitations prior to use.
D2068 Test Method for Determining Filter Blocking Ten-
2. Referenced Documents
dency
4
3
D2069 Specification for Marine Fuels
2.1 ASTM Standards:
D2274 Test Method for Oxidation Stability of Distillate
Fuel Oil (Accelerated Method)
D2276 Test Method for Particulate Contaminant inAviation
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This guide is under the jurisdiction of ASTM Committee D02 on Petroleum
Fuel by Line Sampling
Products and Lubricants and is the direct responsibility of Subcommittee D02.14 on
Stability and Cleanliness of Liquid Fuels. D2880 Specification for Gas Turbine Fuel Oils
Current edition approved Dec. 1, 2008. Published January 2009. Originally
D3240 Test Method for Undissolved Water In Aviation
approved in 1999. Last previous edition approved in 2004 as D6469–04. DOI:
Turbine Fuels
10.1520/D6469-08E01.
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D3241 Test Method for Thermal Oxidation Stability of
MNL 47, Fuel and Fuel System Microbiology: Fundamentals, Diagnosis, and
Contamination Control, Passman, F. J., ed., ASTM International, 2003.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4
Standards volume information, refer to the standard’s Document Summary page on Withdrawn. The last approved version of this historical standard is referenced
the ASTM website. on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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