The National Shipbuilding Research Program. Emission Factors for Flux Core Rod Used in Gas Shielded Processes
Abstract
The shipbuilding and repair industry uses a wide variety of welding rods and wires in combination with various welding processes. These processes include, but are not limited to gas metal arc welding (GMAW), flux core arc welding (FCAW), shielded metal arc welding (SMAW), and submerged arc welding (SAW). There are presently some emission factors for welding operations that have been developed by the United States Environmental Protection Agency (USEPA) and other regulatory agencies. It has recently been determined that some shipyards use gas shielding welding processes with flux core welding wire. This is done to ensure that there is no potential for oxidation at the point of the weld. It is currently unknown as to how using flux core wires ill gas shielded welding processes affect the emission factors. Until this can be empirically determined, many regulatory agencies will continue to use the ECAW emission factors when determining potential health risks. The goal of this project is to provide the basic test data from which more accurate, and regulatory agency accepted, emissions factors for welding fumes can be derived.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 18, 2000
- Accession Number
- ADA452122
Entities
Organizations
- National Steel and Shipbuilding Company