790 

14 CFR Ch. I (1–1–19 Edition) 

Pt. 36, App. A 

(b) 

SPL(b) 

≤

SPL <SPL(a) 

n = antilog 

{

M(b)[SPL

¥

SPL(b)]

} 

(c) 

SPL(e) 

≤

SPL <SPL(b) 

n = 0.3 antilog 

{

M(e)[SPL

¥

SPL(e)]

} 

(d) 

SPL(d) 

≤

SPL <SPL(e) 

n = 0.1 antilog 

{

M(d)[SPL

¥

SPL(d)]

} 

A36.4.7.4 Table A36–3 lists the values of the 

constants necessary to calculate perceived 
noisiness as a function of sound pressure 
level. 

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