Thano

Most popular questions and responses by Thano
  1. Algebra

    Solve for P A=P+Prt

    asked on April 23, 2008
  2. Statistics

    The 95% confidence interval is: (a) Larger than the 99% confidence interval (b) Smaller than the 99% confidence interval (c) The same as the 99% confidence interval

    asked on October 28, 2007
  3. human risk assessment

    The dose for an incremental lifetime cancer risk of 10-6 (a) Increases as the estimated cancer slope factor increases (b) Decreases as the estimated cancer slope factor increases (c) Is independent of the value of the cancer slope factor

    asked on November 3, 2007
  4. Physics

    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 fired from far away toward the nucleus of a mercury atom. Mercury is element number 80, and the diameter of the nucleus is

    asked on February 27, 2016
  5. human risk assessment

    Calculate the average daily dose (ADD) for each route of exposure. Parameter Average Units Distribution TCE concentration in water 225 ug/L Uniform 183 - 267 ug/L Water intake 0.87 L/day Normal Mean: 0.87 L/day 95th percentile: 2 L/day TCE concentration in

    asked on December 16, 2007
  6. Dimensional analysis

    (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 no clue Please help

    asked on November 19, 2007
  7. Environmental Studies

    How does landfill gas move in the environment?

    asked on November 8, 2008
  8. human risk assessment

    David Hassenzahl discusses the relative risks of eating peanut butter contaminated with aflatoxin and apple juice contaminated with UDMH, a degradation product of Alar, in the Power Point presentation in the Week Five, Module 5 Conference. The following

    asked on November 4, 2007
  9. Environmental Studies

    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 (not New Orleans)?

    asked on July 10, 2008
  10. human risk assessment

    Equal concentrations of heptachlor, a known human carcinogen, are found at two different sites. (a) The incremental risk is the same at the two sites (b) The incremental risk is different at the two sites (c) The incremental risk at the two sites might be

    asked on October 29, 2007
  11. Environmental Studies

    When does methane production occur in a landfill and when is it profitable?

    asked on November 8, 2008
  12. environmental studies

    What landfill and waste characteristics would be best suited to a bioreactor process?

    asked on November 8, 2008
  13. Environmental Studies

    What special problems are associated with developing an EMS for a college or university compared to an industrial or military facility?

    asked on August 4, 2008
  14. Environmental studies

    Are there problems with mitigating impacts on wetlands/streams at an off-site location within the same watershed? i.e. fill a wetland in Maryland and mitigate for it or create it in Virginia. Should the federal government (U.S. Army Corps of Engineers) or

    asked on June 3, 2008
  15. human risk assessment

    David Hassenzahl discusses the relative risks of eating peanut butter contaminated with aflatoxin and apple juice contaminated with UDMH, a degradation product of Alar, in the Power Point presentation in the Week Five, Module 5 Conference. The following

    asked on November 3, 2007
  16. inductrial engineering

    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, clubhouse renovation every 10 years costing $19M (but not in year 100), and reseeding every 4 years starting in year 4 costing $8M.

    asked on July 23, 2007
  17. math

    Now imagine a circle with a 3-mile radius to be a hypothetical metropolitan area with relatively little undeveloped land inside. If the radius of this hypothetical metropolitan area is extended to 10 miles, how much land is added to the original developed

    asked on March 10, 2008
  18. Math

    What happens to the area within the circle as the circle’s radius doubles? Triples? What happens if the radius grows to four times its original length?

    asked on March 10, 2008
  19. human risk assessment

    What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?

    asked on December 9, 2007
  20. Dimensional analysis

    (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?

    asked on November 19, 2007
  21. Dimensional analysis

    (g/day)*(ug/kg)*(kg.day/mg)/ kg

    asked on November 16, 2007
  22. human risk assessment

    What is meant by inhalation reference concentration (RfC)?

    asked on November 2, 2007
  23. human risk assessment

    What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?

    asked on October 30, 2007
  24. Environmental Studies

    What is the difference between proximate and ultimate analysis

    asked on October 7, 2008
  25. Environmental Sudies

    How was the composition of plastics and paper products changed in the last 30 years? State possible reasons for such changes.

    asked on September 23, 2008
  26. environmental

    What problems may arise from mixing household hazardous waste with other domestic waste?

    asked on September 22, 2008
  27. land use management

    Write a definition of land use management in your own words

    asked on February 23, 2008
  28. Environmental Studies

    Since most domestic water suppliers/communities in the U.S. rely on surface water (rivers, dams, lakes) for their water supplies, why should groundwater be protected and managed just like surface water?

    asked on July 13, 2008
  29. Conversion

    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

    asked on November 10, 2007
  30. human risk assessment

    What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?

    asked on November 3, 2007
  31. Environmental

    Explain the process of composting and how it is different from recycling.

    asked on October 15, 2008
  32. environmental studies

    Define the composition of solid waste

    asked on September 20, 2008
  33. Financial Management

    Briefly describe in layman's terms what is meant by activity based costing. How would it apply at a Port Authority?

    asked on July 26, 2008
  34. Land Use Management

    Contrast and compare the following approaches to land use management. (Please include reference to considerations of police power and eminent domain principles that underlie each of these land use management tools) (20 points) a. regulations such as

    asked on March 12, 2008
  35. Business Finance

    Describe briefly what is meant by activity based costing.

    asked on July 14, 2008
  36. human risk assessment

    What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?

    asked on December 20, 2007
  37. Dimensional analysis

    ug/L*L/day*years*day/years/kg

    asked on December 18, 2007
  38. human risk assessment

    225ug/L*.86ug/m3*13.1m3/day*1033ug/m3*10years/52kg

    asked on December 16, 2007
  39. environmental studies

    Give a specific example to show how you might apply activity based costing to port authority operations.

    asked on July 14, 2008
  40. Statistics

    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 deviation (c) Smaller for the

    asked on October 28, 2007
  1. Environmental Studies

    Thanks

    posted on October 7, 2008
  2. human risk assessment

    What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?

    posted on December 20, 2007
  3. Dimensional analysis

    (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?

    posted on November 19, 2007
  4. Dimensional analysis

    (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

    posted on November 19, 2007
  5. human risk assessment

    Is there anyway to upload a file?

    posted on November 4, 2007
  6. human risk assessment

    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

    posted on November 4, 2007
  7. human risk assessment

    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

    posted on November 3, 2007
  8. Statistics

    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

    posted on October 28, 2007
  9. Statistics

    Thanks...

    posted on October 28, 2007