11. Bart discovered his French host family adding a foreign substance to wine they were making. 12. Pollutants, the components of pollution, can be either foreign substances / energies or naturally occurring contaminants. 13. Since it was not ruled a foreign substance , per Rule 8.02, Rogers remained in the game. 14. Dupin discovers in the blood a foreign substance , also found in the blood of other victims. 15. Further, RIA can be used to detect in the blood many foreign substances including some cancers. 16. Was there any contact with a foreign substance ? 17. Officers said Friday they had found a " foreign substance " in the boy's digestive system. 18. Non-metallic inclusions in steel are foreign substances . 19. Guerrero was ejected in the first inning after umpires noticed the foreign substance in his broken bat. 20. The foreign substance " solidified when it hit the heat of the engine, " the source said.