Some plumes are known as condensing plumes because of steam forming as the plume enters the atmosphere. It is important that the opacity observer have the correct sunangle. Performance Specification One is for photopic transmissometers used in smokestacks. It is easy to develop a mass opacity relationship for air pollution modeling. ETA also performs ben modeling, runs smoke generators, audits smoke meters,calibrates smoke density meters.
Some consultants perform environmental audits of facilities including opacity observations.
Smoke school provide certifications to smoke school attendees. As a part of training at smoke school, lectures are provided. ETA provides private smoke schools, commercial smoke schools, and regulatory smoke schools. We train students in opacity calculations, opacity training Opacity programs include opacity remediation, opacity form audits, smoke school program audits, opacity consultation, mass opacity calculations opacity, expert testimony, visible emissions expert testimony techniques.