31.   Test on letter sent to New York Times is negative for dangerous biological materials, including anthrax, the newspaper says.

32.   The foundation is developing a program for the preservation and analysis of biological material found in excavations.

33.   The embassy said the results proved negative for anthrax or biological material.

34.   The New York Times said a powdery substance in an envelope sent to one of its reporters tested negative for anthrax and other dangerous biological materials.

35.   The test, also for other dangerous biological materials, was conducted by the New York City Department of Health.

36.   There was no semen or other biological material to test for DNA.

37.   Senator Donald Riegle, who released the study, sharply criticised the Pentagon for foot-dragging and suggested it was withholding information on exposure of US forces to biological material.

38.   Senator Donald Riegle, who released the study, sharply criticises the Pentagon for foot-dragging and suggested it was withholding information on exposure of US forces to biological material.

39.   Television pictures showed a police bio-hazard facility nearby, equipped to wash off biological materials in case of contamination.

40.   The crew will also conduct Japanese and French experiments to separate biological materials into their individual components using electrophoresis.