The chimney is emitting particulate matter. Which of the following is the correct expression of the height of the chimney? Here 'Kp' represents the emission of particulate matter.

• A. HC = 74 Kp0.27
• B. HC = 14 Kp0.27
• C. HC = 14 Kp0.47
• D. HC = 74 Kp0.33