1. Planning of Sampling in Ducts and Chimneys of Stationary Sources;ABNT – Associação Brasileira de Normas Técnicas,1989
2. Determination of Sampling Points in Ducts and Chimneys of Stationary Sources;ABNT – Associação Brasileira de Normas Técnicas,1989
3. Effluent Gases in Ducts and Chimneys of Stationary Sources – Determination of Molecular Mass in Dry Basis;ABNT – Associação Brasileira de Normas Técnicas,1989
4. Effluent Gases in Ducts and Chimneys of Stationary Sources – Determination of Velocity and Flow Rate;ABNT – Associação Brasileira de Normas Técnicas,1989
5. Effluent Gases in Ducts and Chimneys of Stationary Sources – Determination of Moisture Content;ABNT – Associação Brasileira de Normas Técnicas,1989