The Marine Research study found levels
of oil components in seafood to vary with species and location.
When EPA officials measured Harlem's air in late 1996, they found levels
of pollution that exceeded federal air quality standards by 200 percent.
When she moved on to test soils from the West and Midwest, she found levels
were dramatically lower, although still abundant.
A study of 10,000 men and women over 50 found levels
of happiness actually increase, even though the quality of life decreases, as people enter their 60s.
Swiss scientists examining Yasir Arafat's remains and possessions say they have found levels
of radioactive polonium-210 high enough to "reasonably support" the theory that the late chairman of the Palestine Liberation Organization was poisoned when he died in 2004 at age 75.
The family of the Stirling University student had called for a fresh probe into his death after a toxicology report found levels
of liquid ecstasy in his system.
The soil is considered lightly contaminated because tests conducted by a licensed site professional - hired by Lighthouse and licensed by the state DEP - have not found levels
of contamination high enough to trigger more active involvement by the DEP.
The Anglo-French study analysed the amount of ancient atmospheric argon gas (Ar) isotopes dissolved in the bubbles and found levels
were very different to those in the air we breathe today.
The study, the largest of its kind, found levels
of particulate matter during smoking journeys were up to 10 times higher than in non-smoking journeys.
In 2005, Hitchens was closed after the Ohio EPA found levels
of carcinogens 50 times higher than what the state considers acceptable.
GSK had claimed that Ribena syrup contained four times more vitamin C than oranges, but in 2004 two high school students carried out tests in a science lesson and found levels
of the nutrient in the product were much lower.
A toxicology examination found levels
of cocaine, morphine and alcohol.
In what has been hailed as a breakthrough in the debilitating disease, researchers found levels
of two types of protein found in the blood can indicate an increased risk of having alzheimer's.
Researchers at the Institute of Psychiatry, King's College London, found levels
of two proteins could indicate an increased risk.
They had drilled holes into the mine, inserted air monitors and found levels
of carbon monoxide more than three times the maximum regarded as safe.