Review lecture

have an idea of risk assessment, look out for not, except, always, never, Indoor air quality Chemical building materials – carpet, dry wall, etc. Carcinogenic compounds being used, potential cancer risk Diarrhea, pathogens in water/food – bigger health problems killing many across the world Dose response, chemically can measure but there isn’t a risk Risk = hazard x exposure Oil crisis – running out of fuel Don’t have to worry about other diseases, but now worried about what we are breathing in homes Spend time on this slide Sensitive enough to determine before and after spraying of pesticides now

what are major toxic metals

arsenic, lead, mercury, have no biological function

what are essential metals

potentially have toxic effects, copper, the dose makes the poison

what were some sources of metals

paint, flint-pipes, arsenic-iowa, wells/soil natural

what is the environmental fate of metals

stay, bioaccumulate,

what is point vs non point source

p-singular point of conveyance discharged n-many sources combined, indirect, leading cause of problems

how are we legislating clean water

CWA-surface waters SDWA

what is renewable v nonrenewable

r-continuously replenished, in reasonable time n-not recharged, depletion

what is an example of renewable v nonrenewable

r-river, lake, reservoir-dam n-aquifers, jordan aquifer in iowa

what is the difference between the MCLG and the MCL

set by EPA: g-non enforceable, l-enforceable using risk assessment

what is the f diagram used for, where does this need to be improved

looking at routes of disease, the f’s blocked by sanitation, clean water, hygiene, lower income

what are the major atmospheric greenhouse gases and their sources

water vapor-feedback CO2-human activity, car, direct impact methane-industrial, agriculture

what is a major impact of climate change

20 cm sea level rise from melting of land ice and expansion of warming seawater, not constant rates

what place is vulnerable to sea level rise

republic of maldives

how would we be impacted locally by climate change and how to fix potentially

drought, heat, green roof, trees, emergency response-preparation for weather event

what is municipal solid waste

everyday trash, paper, paper board is highest, bad at recycling batteries, plastic-good pr

what makes a waste hazardous

reactivity, flammability, toxicity, corrosive

what is TCLP in regards to cadmium waste requirements D006

tumble in acid to see what comes out and how much, gets into water-leach

what do we do if considered hazardous

cradle to grave- RICRA, follow waste, OSHA, EPA, DOT, follow manifest, before dispose need to treat, tracking system

what are the cradle to grave steps

storage, treatment, disposal, manifest, generator, transporter

what is the role of CDC, FDA, and USDA in foodborne outbreak

c-surveillance f, u-inspection, enforce, recall u- meat, go and inspect f- local municipalities, food code

why are foods time and temperature controlled

water activity, raw meat, fruit, vegetables, milk, cheese

what are the hazards of burning of biomass in homes and who does it

smoke, burns, lung disease, places in poverty

how is burning biomass bad and how dose it affect

rare use of shoes, husbands needs are top priority, children cant do homeowkr or read from smoke

why is IAQ important today more than before

tighter techniques, synthetic building, know risks better, low acceptance of risks, better research