Indoor Air Investigations (11/10) Flashcards
1
Q
Times Beach, MO
A
- Rodes oiled for dust control
- Also used in stables, horses died.
- Contaminated with dioxin.
- Residents evacuated.
2
Q
Love Canal
A
- Niagra Falls, NY
- Formerly used to bury 21,000 tons of chemical waste.
- Newspaper found toxic chemicals in pumps.
- Families relocated
3
Q
Minimata
A
- Methylmercury released in Minimata Bay
- Bioaccumulation in fish
- Residents had numbness, paralysis, birth defects
- Neurological effects
4
Q
Film Recovery Systems, Elk Grove
A
- Siler extracted from used film by pouring cyanide over chips.
- Polish immigrant died of cyanide poisoning.
5
Q
Pontiac Fever (Legionnaires)
A
- Gram negative bacteria grows in warm water.
- Affected attendees of American Legion conference.
- 221 cases, 34 deaths
6
Q
Libby, Montana
A
- 1800’s mining town
- Major source of vermiculite which was contaminated with asbestos.
7
Q
Exposure pathway
A
Source -> Path -> Receiver
8
Q
When do you see neurological effects from mercury?
A
24 ug/m3
9
Q
When do you see developmental effects from mercury?
A
50 ug/m3
10
Q
Level of mercury that is safe for kids
A
1 ug/m3
11
Q
Health Effects of Mercury
A
- Increase in enzyme activity
- Hand tremors
- Decrease in brain activity
- Neurobehavioral changes
12
Q
Outdoor Wood Boilers
A
- Places wood stove at distance from house.
13
Q
What are “MGP” sites?
A
manufactured gas plant sites
14
Q
Chemicals at MGP sites
A
- Inorganics
- Metals
- VOCs
- Phenolics
- PAHs
15
Q
VOC’s found in Marina Cliffs
A
- Residuals from cleaning where dumped onto ground.
- VOC’s, polychlorinated biphenyls, lead, chromium, etc. were leaked
