Chapter 14 notecards Flashcards
aspects of human health, including the quality of life, determined by physical, biological, chemical and psychosocial factors in the environment
environmental health
federal agency responsible for setting, maintaining, and enforcing environmental standards
regulates air, water, and soil quality, wastes, pollution
US Environmental Protection Agency
the number of people the earth can support
carrying capacity
chemical substances
water, BPA, DDT, lead etc
chemical hazards
biological agent; plant or animal
influenza, polio, poison ivy
biological hazard
energy transfer into or within the human body
radiation, noise vibration
physical hazards
set of conditions that creates adverse health outcomes
psychosocial hazards
first description of an occupational cancer (1775)
-chimney sweep & scrotal cancer
Percivall Pott
by Rachel Carson, published in 1962
US Environemntal Protection Agency formed in _____
Silent Spring
1970
exposure disease model
source
environmental fate
human exposure
health outcome
point or area of origin for an environmental agent
source
any single identifiable source of pollution
ex. pipe, ship, smokestack
point source
diffuse pollution sources; no single point of origin
ex. residential fertilizer, dams, saltwater intrusion, pavement runoff, cars
area (or non point source) source
a stationary location or fixed facility from which pollutants are discharged
ex. refinery waste water treatment plant
stationary source
pollution from sources that move from location to another
motor vehicles, boats
mobile source
originates or produced by humans/human activity
anthropogenic source
originates or produced naturally or by living organisms
non-anthropogenic (nautral or biogenic sources)
how a hazard gets into your body once it reaches you
exposure route
steps to manage and reduce exposures at community, work place, or individual level
exposure controls
hierarchy of controls
elimination substitution engineering controls administrative controls PPE
climate change is _________
extremely liekly to be the dominant cause of observed warming since the mid 20th century
anthropogenic
gases in the atmosphere that bsorb and emit thermal radiation
CO2 ____
methane ___
nitrous oxides __
greenhouse gases
57%
14%
8%
atmospheric conditions over short period of time
weather
how the atmosphere behaves over relatively long periods of time in a particular region
climate