74204886
Sep 19, 1991
Feb 23, 1993
soil excavating apparatus for gathering soil samples for scientific analysis
Electrical and Scientific Apparatusliners, slurry walls, reinjection wells, infiltration galleries, extraction wells, interceptor trenches, soil vapor extractors, air stripping apparatus, thermal oxidation apparatus, carbon absorption apparatus, stabilization/fixation apparatus
Environmental Control Apparatusengineering and design for others in the field of pollution remediation systems
Computer and Scientific