1.   They calculate severe leaching of such toxic metals as beryllium, aluminum, mercury, lead, and cadmium.

2.   In Britain, most sewage sludge comes from cities and is contaminated with industrial waste from which toxic metals can not be economically removed.

3.   Their waste, or tailings, contains a high proportion of sulphur which leaches out toxic metals.

4.   Friends of the Earth has launched a toxic waste campaign by naming those companies possessing permits to discharge large quantities of toxic metals down sewers.

5.   Because they also absorb and concentrate toxic metals, such as lead, these natural collectors could help to decontaminate industrial waste sites, a process known as phytoremediation.

6.   But what those who panicked failed to realize is that sick cells tend to accumulate toxic metals because they are unable to eliminate them.

7.   Gulf-caught amberjack purchased at local markets were equally high in the toxic metal, which can cause severe neurological problems and birth defects.

8.   It was the first time that the toxic metal, a waste product left when natural uranium is refined to make weapons or fuel, was used in warfare.

9.   Later, Ms. Secord planned to take the fish to a laboratory to be tested for toxic metals and chlorinated organic compounds, including pesticides and PCBs.

10.   Of particular concern, McSween said, is the question of toxic metals in Martian soil and windblown dust.