Presented by ACGIH® and its Industrial Ventilation Committee, Fundamentals in Industrial Ventilation covers both basic and advanced industrial ventilation topics. Practical Applications of Useful Equations includes calculation and estimation approaches related to airborne contaminants, TLV® and TWA, OA for dilution, etc., as well as a calculations lab. April 11-15, 2011, Cincinnati, Ohio. ACGIH® Professional Learning Center,, (513) 742-2020.