Laboratory analysis of gas samples from the Jetstream #1 well at Pulsar Helium Inc.'s (PLSR:TSX.V; PSRHF:OTCMKTS; PLSR:AIM) Topaz project in Minnesota reveal sustained helium-3 concentrations ranging from 1.3 to 14.5 ppb (parts per billion), among the highest naturally occurring levels reported in a terrestrial reservoir, an analyst wrote in an updated research note.