80. A manufacturing plant assembly room has the following dimensions: 50 m 20 m 10 m. Evaporative solvent emissions were measured to equal 1.0 kg/hr. The production area is ventilated at a rate of 80 air changes per hour. Assume no solvent is present in the outside air and that the solvent concentration is uniform throughout the assembly room. The workplace air solvent concentration (g/m) is most nearly: . O B. O C. O D. 1 100 1,250 100,000

80. A manufacturing plant assembly room has the following dimensions: 50m20m10m. Evaporative solvent emissions were measured to equal 1.0kg/hr. The production area is ventilated at a rate of 80 air changes per hour. Assume no solvent is present in the outside air and that the solvent concentration is uniform throughout the assembly room. The workplace air solvent concentration (g/m3) is most nearly: A. 1 B. 100 C. 1,250 D. 100,000