FAA Reauthorization Act Of 2018 Section 188 And Section 173 20200414 0001

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2. Purpose of Noise Metrics for Ehvironmental Regulation and B 3. Definition and History of DNL ...,...............................,.........................,..................-.--..............-.... 7 4. Definition and Rationale for A-weighted Metrics ................................................-.---...-...............-. 8 4.1 Ctlrnulative Metrics ..,,........._._..,......,..,.....,..................,..,...................-.....-...--..................-..8 4.3 Operational-Acoustic Metrics............_..........................---....,-............----.......'.........-....,-.... 10 5. Applimtiort of Acoustic Metrics...,..........................,..............,.._._........,-.-.....-.,-.........,-.-.-..--....-.-- 11 5.2 5.3 30-Day Average DNL MeVic.......,..............................,..........-..........-.-......---..-...-....-........- 13 5.4 5.5 / 5.1 5.5.2 5.6 C-weighted SEL (CSEL) and Pounds per Square Foot (PSF) Metrics ... Error! Bookmark not defined. 6. Role of Noise Measurements vs. Noise Modeling ......................................-...-.-..........-....-.......- 16 17Role of Supplemental Metrics..., Be 19Summary. + Been a &B +P + ; I :q & r ::r :: +i = i + r i: :i.. § {' -t: ;-{-{} ;- iT;:+:: r-{ - $=! i -: ’ ?.affEd FAA Reauthorization Act of 2018: Section 188 fi ;1 c>licy..,..,...................................... 3P + •b y ' P{P 12Level Equivalent (L,q) Metric............ + + 8 + ea 81 Ill Bea aBe SIR Been a IBIB + Be aBle a ae ae ae 12DNL and L,q Metrics..., IRaaBBOT an apea aBe aan e en + + Be no , # Been a , ReVa + aaa eBB , an , aa + , + + , He 4 , , + + + aHaB , BBq , , , + Be a , + e , , a BaRn BP , aeneas + , aaa + o Been a + + +an + aaa Hunan aBaBa anne a Bean aBaBa - . nwa Ii>Ld H Be + al -r ,• Pl Report to Congress FAA…

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