These errors, if found, can invalidate a VEO form. This information is vital to both industry and governmental agencies. It insures accurate application of the laws, as well as helping VE observers to improve their ability to successfully and accurately complete VEO forms. Eastern Technical Associates acts as an audit laboratory by evaluating these VEO forms. Our process includes review by skilled visible emissions auditors with extensive field experience followed, by a senior staff summary review.
Report formats range from informal to high-quality technical documents.
Each report is tailored to the specific needs of the client. To provide a complete evaluation of the form, ETA uses state of the art computer software to assist in each VEO evaluation. ETA uses the US Naval Observatory software to determine the exact position of the sun at the time of observation. ETA uses the data from the observation forms and from the above program to calculate the exact angle formed between the line from the sun to the observer and the line from the observer to the emission. The data on the form is also processed through Opacicalc, ETA's opacity data calculation and reporting software package.