| TABLE L-1 Potential Data Needs for Calculation of Emissions
|
| Process Vents
|
| 1.
| Volumetric flow rate of vent gas
|
| 2.
| Vent-gas discharge temperature
|
| 3.
| Concentration of individual or aggregate HAP
|
| 4.
| Operating hours per year of unit operation
|
| 5.
| Molecular weight of gas
|
| 6.
| Efficiency of control device
|
| 7.
| Production rate during measurement
|
| Fugitive Emission
|
| 1.
| Numbers of pumps, valves, flanges, pressure-relief valves, open-ended lines, and compressors
|
| 2.
| Screening level
|
| 3.
| Weight % of HAPS in stream
|
| 4.
| Percent leaking equipment
|
| 5.
| Other HAPS characterization
|
| 6.
| Frequency of leak checking
|
| Loading Emission
|
| 1.
| Type of cargo carrier
|
| 2.
| Mode of operation
|
| 3.
| Annual volume of liquid loaded
|
| 4.
| Temperature of liquid loaded
|
| 5.
| Weight in percent of HAP in loaded material
|
| 6.
| True vapor pressure of HAP loaded
|
| 7.
| Molecular weight of HAP
|
| 8.
| Efficiency of control device
|
| Storage-Tank Emissions
|
| 1.
| Material stored
|
| 2.
| Diameter of tank
|
| 3.
| Rim seal type
|
| 4.
| Tank, roof, and shell color
|
| 5.
| Ambient temperature
|
| 6.
| Wind speed
|
| 7.
| Density and partial pressure of chemical
|
| 8.
| Molecular weight
|
| 9.
| Vapor pressure
|
| 10.
| Efficiency of control device
|
| 11.
| Type of storage tank
|
| 12.
| Annual throughput
|
| 13.
| Number and diameter of columns
|
| Emission Factors
|
| 1.
| Magnitude of input into the process
|
| 2.
| Production level
|
| Wastewater Sources
|
| 1.
| Volumetric flow rate of wastewater
|
| 2.
| Concentration
|
| 3.
| Production rate during flow determination
|
| 4.
| Production rate during concentration determination
|
| Source: EPA, 1991c.
|
