Treatment of Materials

Owner

VECTRA TECHNOLOGIES, INC.

Transportation and storage and 2 other

Owner

VECTRA TECHNOLOGIES, INC.

Jan 20, 1998

Environmental Control Apparatus and 2 other

Owner

VECTRA TECHNOLOGIES, INC.

Feb 4, 1997

Electrical and Scientific Apparatus

Owner

VECTRA TECHNOLOGIES, INC.

Aug 9, 1988