According to the EPA, agency scientists
found levels of lead and arsenic at some sites in excess of drinking water standards--a potential threat given the possibility of hand-to-mouth exposure.
The FDA also indicated that it studied products on the market for toxic impurities and has not
found levels in current products to be a health hazard.
They
found levels of folate were generally lower in pupils eating school dinners, and the researchers suggested the content of this vitamin in school meals should be increased.
Some studies
found levels of specific flavonoids and antioxidants at twice or three times the level found in matched samples of conventional food.
Several studies
found levels of specific vitamins, flavonoids, or antioxidants in organic foods to be two or three times the level found in matched samples of conventional foods.
Engineers have
found levels of perchlorate as high as 58,000 parts per billion in the groundwater under the Santa Clarita Metrolink station on Soledad Canyon Road in Saugus.
The study
found levels of anti-E1 antibodies increased on average three- to four-fold after the second course of injections.
We
found levels of pollutants in homes and child-care facilities that we should be concerned about.
In about 20 tons of spinach sold to Lawson, the metropolitan government
found levels of the pesticide chlorpyrifos that were 14 times higher than permitted in the Food Sanitation Law.
A Green Korea survey
found levels of copper and arsenic in the soil of the bombing range 13 times higher than normal.
Dr Perera
found levels of antibodies rose by up to 200 per cent after students watched the comedy.
The latest survey
found levels of dioxin over the agency standard on 44 days during the survey period.