I 
116TH CONGRESS 
1ST SESSION H. R. 2351 
To direct the Administrator of the Federal Aviation Administration to conduct 
a study relating to ultrafine particles, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
APRIL 22, 2019 
Mr. SMITH of Washington (for himself, Ms. JAYAPAL, Mr. TED LIEU of Cali-
fornia, Ms. SCHAKOWSKY, Mr. LYNCH, Mr. SUOZZI, and Ms. JACKSON 
LEE) introduced the following bill; which was referred to the Committee 
on Transportation and Infrastructure 
A BILL 
To direct the Administrator of the Federal Aviation Adminis-
tration to conduct a study relating to ultrafine particles, 
and for other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Protecting Airport 
Communities from Particle Emissions Act’’. 
SEC. 2. AIRBORNE ULTRAFINE PARTICLE STUDY. 
(a) IN GENERAL.—The Administrator of the Federal 
Aviation Administration shall enter into appropriate ar-
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rangements with the National Academy of Sciences to a 
conduct a study that— 
(1) summarizes the relevant literature and 
studies done on airborne ultrafine particles world-
wide; 
(2) focuses on large hub commercial airports 
in— 
(A) Seattle; 
(B) Boston; 
(C) Chicago; 
(D) New York; 
(E) the Northern California Metroplex; 
(F) Phoenix; 
(G) the Southern California Metroplex; 
(H) the District of Columbia; 
(I) Atlanta; and 
(J) any other metropolitan large hub air-
port identified by the Administrator; 
(3) specifically looks at— 
(A) characteristics of UFPs present in the 
air; 
(B) spatial and temporal distributions of 
UFP concentrations; 
(C) primary sources of UFPs; 
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(D) how much aircraft and airport oper-
ations are contributing to the distribution of 
UFP concentrations when compared to other 
sources; 
(E) potential health effects associated with 
elevated UFP exposures, including heart and 
lung diseases, asthma, nervous system dis-
orders, and other health effects, that have been 
considered in previous studies; and 
(F) potential UFP exposures, especially to 
susceptible and vulnerable groups; 
(4) identifies measures, including the use of 
sustainable aviation fuels, intended to reduce emis-
sions from aircraft and airport operations and assess 
potential impacts on emissions related to UFPs; and 
(5) identifies important information gaps re-
lated to understanding relationships between UFP 
exposures and health effects, contributions of avia-
tion-related emissions to UFP exposures, and the ef-
fectiveness of mitigation measures. 
(b) COORDINATION.—The Administrator of the Fed-
eral Aviation Administration shall coordinate with the Ad-
ministrator of the Environmental Protection Agency, the 
Secretary of Health and Human Services, and any other 
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