21.   State and federal officials have joined residents to determine how drinking water here is being contaminated with industrial solvents and other pollutants.

22.   The chemical is an industrial cleaning solvent.

23.   The Medicines Control Council on Wednesday ordered a halt to any further research on the drug because one of the ingredients was a toxic industrial solvent.

24.   When it banned the drug, the council said Virodene contained dimethylformamide, an industrial solvent.

25.   When it banned the drug, the council said Virodene contained dimethylformamide, a potentially toxic industrial solvent.

26.   Eighteen Yemenis have died and another is in serious condition after taking methanol, an industrial solvent, the health ministry said on Wednesday.