[en] After introductory remarks about the National Lab, the report discusses background radiation, human-produced radiation, radionuclide migration, doses, and health physics risk; the environmental programs at LANL including environmental protection, restoration, waste management, quality assurance, environmental oversight, environmental safety and training; environmental monitoring of external penetrating radiation, surface waters, sediments, soils, foodstuffs, and associated biota; and environmental compliance with existing regulations