31.   The Agriculture Department also could start certifying grain-handling systems to ensure they keep biotech crops separate from conventionally bred varieties.

32.   The agency is considering tightening up its approval process for biotech crops in response to consumer and food industry concerns.

33.   The European Union has a moratorium on approval of new biotech crops.

34.   The corn also spawned a nationwide recall of taco shells in September after its presence was discovered in tests sponsored by environmental groups opposed to biotech crops.

35.   The corn, known as StarLink, is the only biotech crop that is not approved for food use.

36.   The department should require more testing and analysis of biotech crops, depending on the potential environmental risk, the groups said.

37.   The FDA is considering tightening up its approval process for biotech crops in response to consumer and food industry concerns.

38.   The industry says the government should not allow farmers to grow a biotech crop like corn unless it is approved for food use.

39.   The Food and Drug Administration relies on biotech companies for voluntary consultation with the agency before the release of new biotech crops.

40.   The government is putting new planting restrictions on genetically engineered corn to prevent insects from developing resistance to the toxin in the biotech crop.