where:
h is the plume rise in feet;
u is 12 if the physical stack height is less than 65 feet; u is 5 for physical stack heights of 65 feet or greater;
V is the actual exit velocity of the stack gas in feet per second;
d is the inside diameter of the stack exit in feet; and
T is the temperature of the stack gas at the stack exit, in degrees Fahrenheit.
N.J. Admin. Code § 7:27-9.4
See: 13 New Jersey Register 870(a), 14 New Jersey Register 1452(a).
Administrative correction to (a)3 and to (c)2.
See: 23 New Jersey Register 1166(b).