“…LiF (106) Comparison of detn limits (589) Alloys (722, 293, 396, 475, 570, 570, Alloys (475,570,570,747) Water (777e, 1771, 736) High purity mat. (395,779,781) Sediments ( 422) Th other solutions (323,697). Both instruments use a Pu-Be neutron source and a scintillation detector.…”