1.   Antifreeze fumes continue to leak from coolant loops.

2.   But antifreeze fumes that leaked from the cooling system months ago may have contaminated the recycled water, Blagov said.

3.   But antifreeze fumes from leaks months ago in the cooling system may have contaminated the recycled water, Blagov said.

4.   But the crew can no longer rely on the system because the water may be contaminated by antifreeze fumes from leaks months ago in the cooling system.

5.   In the most serious incident last spring, the previous Mir crew spent weeks in the heat while trying to patch up leaks that released poisonous antifreeze fumes.

6.   Last spring, the previous Mir crew spent weeks in the heat trying to patch up the thermal control system, which leaked poisonous antifreeze fumes.

7.   Linenger and his two Russian colleagues have had to contend with a fire, leaking antifreeze fumes, broken oxygen generators and problems with the carbon dioxide removal system.

8.   Linenger and his Mir colleagues almost had to evacuate during a fire in February and spent days if not weeks breathing antifreeze fumes.