31.   Groundwater and soil tests show the presence of iron, lead, xylene, vinyl chloride and other toxic substances.

32.   Haitian health officials have begun investigations into whether other anti-fever medications might have been contaminated with the toxic substance.

33.   He said that salaries, social benefits and work hours were good and that protective measures were required whenever a toxic substance was used.

34.   He was charged under an anti-terrorism statute with possession of a toxic substance with intent to use it as a weapon.

35.   He said there were other possible reasons, beyond cocaine use, that could be blamed, including more serious viruses or toxic substances.

36.   High levels of other toxic substances, including PCB and DDT, also are found in the Grand Canal.

37.   Hersh said his hunch is that ailing veterans and active-duty soldiers were exposed to toxic substances in the Gulf.

38.   However, meth is competing with other toxic substances to be broken down and the liver cannot break down the overload of substances.

39.   If the flame is too yellow or orange, it is spewing toxic substances into the air.

40.   In areas where rocket parts have fallen, concentrations of the chemical in soil and plants are high for such a toxic substance.