Basics
Tire Road Wear Particles
TRWPs are a type of ______?
Microplastic
True or false: 6PPD is in all tires.
True
True or false: microplastics (like TRWPs) have been detected in the brain.
True
True or false: Driving with underinflated tires releases less TRWPs because there is less abrasion.
TRWPs that are airborne and can be inhaled are called:
ultrafine
What are TRWPs are made of?
Road surface material and tire tread fragments
6PPD reacts with what in the atmosphere?
Ozone, O3
(Oxygen is an acceptable answer)
People living near _____ are exposed to higher levels of TRWPs.
Busy roads
Countries in what region collect & treat rain water for microplastics?
Europe
TRWPs have been found as far as where?
The arctic
TRWPs form from the combination of ____ and ____ when driving.
Friction and heat
Which has 6PPD NOT been detected in?
a. air
b. streams
c. leaves
d. soil
c. leaves
Name 2 types of diseases TRWPs can contribute to.
Respiratory, cardiovascular, or reproductive disease. Or cancer and endocrine disruption.
In what state was 6PPD made a “Priority Chemical”?
California
TRWPs will travel to where? (4)
The air, soil, water, and wilderness
Name 2 components in road surface material?
Made of ashpalt, concrete, paint, and dust
When 6PPD reacts with the atmosphere, what by product is produced?
6PPD-q
What are the three ways TRWPs can enter the bloodstream?
inhalation, ingestion, and dermal contact
How can we design tires to be more sustainable?
Make them longer lasting or find alternatives to harmful materials.
A single car can emit up to ____ TRWPs per km.
1 trillion
Name 2 ingredients in tire tread?
Made of both natural and synthetic rubber, reinforcing fillers/agents, oils, and chemical additives.
6PPD-q is toxic to what fish species?
Coho salmon
Name 2 chemicals that may be in TRWPs
This word means an open channel with natural plants designed to manage stormwater runoff by slowing it down and filtering out pollutants, like TRWPs.
Bioswale