This is why stagnant waters, which are not churned up and oxygenated, can allow these micro-organisms to bloom and make ...
"[Readings] were in the ranges of 9 to 12 hydrogen sulfide parts per million on all ... they went out there to make sure is there something there," Vargas said. "At this time, we’re telling ...
NASA's Office of the Chief Health and Medical Officer (OCHMO) assembled a small working group to review hydrogen sulfide (H 2 S) Spacecraft Maximum Allowable Concentration (SMAC) values.