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Thano
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Thano
Questions (40)
The Only Organic (OO) golf complex has a first cost of $55M, annual O&M costs of $10M, salvage value in year 100 of $25M,
1 answer
448 views
The 95% confidence interval is:
(a) Larger than the 99% confidence interval (b) Smaller than the 99% confidence interval (c) The
5 answers
2,366 views
For two normal distributions with the same mean, but different standard deviations, the 95% confidence interval will be:
(a) The
2 answers
973 views
Equal concentrations of heptachlor, a known human carcinogen, are found at two different sites.
(a) The incremental risk is the
5 answers
485 views
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response
1 answer
403 views
What is meant by inhalation reference concentration (RfC)?
2 answers
784 views
The dose for an incremental lifetime cancer risk of 10-6
(a) Increases as the estimated cancer slope factor increases (b)
2 answers
642 views
David Hassenzahl discusses the relative risks of eating peanut butter contaminated with aflatoxin and apple juice contaminated
4 answers
562 views
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response
3 answers
539 views
David Hassenzahl discusses the relative risks of eating peanut butter contaminated with aflatoxin and apple juice contaminated
6 answers
522 views
I am working a problem and I have to make the following units dimensionless:
11.38g/day * 2.82ug/kg * 17.5kg-day/mg/ 20kg
1 answer
390 views
(g/day)*(ug/kg)*(kg.day/mg)/
kg
3 answers
363 views
(11.38 g/day)*(2.82ug/kg)*(17.5kg-day/mg)/20kg
= 0.000000002808015 What would be the symbols after the number g/kg, ug/kg? I have
5 answers
435 views
(11.38 g/day)*(2.82ug/kg)*(17.5kg-day/mg)/20kg
Just looking at the numbers: 11.38 * 2.82*17.5/20 =561.603/20 =28.08015 But what
1 answer
392 views
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response
1 answer
476 views
Give a specific example to show how you might apply activity based costing to port authority operations.
2 answers
524 views
Calculate the average daily dose (ADD) for each route of exposure.
Parameter Average Units Distribution TCE concentration in
2 answers
559 views
225ug/L*.86ug/m3*13.1m3/day*1033ug/m3*10years/52kg
1 answer
291 views
ug/L*L/day*years*day/years/kg
1 answer
456 views
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response
1 answer
474 views
Describe briefly what is meant by activity based costing.
1 answer
392 views
Since most domestic water suppliers/communities in the U.S. rely on surface water (rivers, dams, lakes) for their water
2 answers
500 views
Do you think housing development below sea level or in floodplains should be allowed or not in the U.S? Do you have any examples
3 answers
441 views
Write a definition of land use management in your own words
1 answer
362 views
What happens to the area within the circle as the circle’s radius doubles? Triples? What happens if the radius grows to four
1 answer
484 views
Now imagine a circle with a 3-mile radius to be a hypothetical metropolitan area with relatively little undeveloped land inside.
2 answers
518 views
Contrast and compare the following approaches to land use management. (Please include reference to considerations of police
2 answers
590 views
Solve for P
A=P+Prt
3 answers
1,450 views
Are there problems with mitigating impacts on wetlands/streams at an off-site location within the same watershed? i.e. fill a
3 answers
434 views
Briefly describe in layman's terms what is meant by activity based costing.
How would it apply at a Port Authority?
1 answer
370 views
What special problems are associated with developing an EMS for a college or university compared to an industrial or military
3 answers
472 views
Define the composition of solid waste
1 answer
506 views
What problems may arise from mixing household hazardous waste with other domestic waste?
1 answer
453 views
How was the composition of plastics and paper products changed in the last 30 years? State possible reasons for such changes.
1 answer
416 views
What is the difference between proximate and ultimate analysis
3 answers
411 views
Explain the process of composting and how it is different from recycling.
1 answer
476 views
What landfill and waste characteristics would be best suited to a bioreactor process?
1 answer
392 views
How does landfill gas move in the environment?
1 answer
360 views
When does methane production occur in a landfill and when is it profitable?
1 answer
319 views
I don't know how to go about this question. We only have an initial velocity and no final velocity, distance or time.
A proton is
2 answers
544 views
Answers (9)
Thanks
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?
(11.38 g/day)*(2.82ug/kg)*(17.5kg-day/mg)/20kg Just looking at the numbers: 11.38 * 2.82*17.5/20 =561.603/20 =28.08015 But what should I have as the extension g/kg or what?
(11.38 g/day)*(2.82ug/kg)*(17.5kg-day/mg)/20kg = 0.000000002808015 What would be the symbol after the number g/kg, ug/kg? I have no clue Please help
Is there anyway to upload a file?
Variable Units Average 5th %ile 95th %ile Distribution Peanut butter intake g/day 11.38 2.00 31.86 Lognormal Apple juice intake g/day 136.84 16.02 430.02 Lognormal Aflatoxin concentration ug/kg 2.82 1.00 6.5 Lognormal UDMH concentration ug/kg 13.75 0.5
Variable Units Average 5th %ile 95th %ile Distribution Peanut butter intake g/day 11.38 2.00 31.86 Lognormal Apple juice intake g/day 136.84 16.02 430.02 Lognormal Aflatoxin concentration ug/kg 2.82 1.00 6.5 Lognormal UDMH concentration ug/kg 13.75 0.5
So the following would be b as well: For two normal distributions with the same mean, but different standard deviations, the 95% confidence interval will be: (a) The same for both distributions (b) Larger for the distribution with the smaller standard
Thanks...
