API 4638 : 1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
02-01-2024
07-01-1996
1 AN INTRODUCTION TO FUGITIVE HYDROCARBON EMISSIONS
What are fugitive hydrocarbon emissions?
What are emission factors?
What are correlation equations?
How are fugitive hydrocarbon emissions quantified?
How do I calculate fugitive hydrocarbon emissions
from my site
2 METHODS OF CALCULATING FUGITIVE HYDROCARBON EMISSIONS
Method 1. The EPA Average Emission Factor Method
Method 2. The EPA Screening Value Range Emission
Factor Method
Method 3. The EPA Default Zero Factor, Correlation
Equation, and Pegged Source Factor Method
Method 4. The Leak Quantification Method
Comparison of Results
3 METHOD 1 - USING EPA AVERAGE EMISSION FACTORS TO
CALCULATE FUGITIVE HYDROCARBON EMISSIONS
4 METHOD 2 - USING EPA SCREENING VALUE RANGE EMISSION
FACTORS TO CALCULATE FUGITIVE HYDROCARBON EMISSIONS
5 METHOD 3 - USING EPA DEFAULT ZERO FACTORS,
CORRELATION EQUATIONS, AND PEGGED SOURCE FACTORS TO
CALCULATE FUGITIVE HYDROCARBON EMISSIONS
6 METHOD 4 - USING LEAK QUANTIFICATIONS TO CALCULATE
FUGITIVE HYDROCARBON EMISSIONS
7 COMPONENT SCREENING PROCEDURES
8 LEAK QUANTIFICATION PROCEDURES
The Vacuum Technique
The Blow-Through Technique
The High Flow System
9 DEFINITIONS
10 LIST OF REFERENCES
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