from the activity of sulfate - reducing microorganisms(passive) might be originatedHydrogen sulfide
by bacteria(passive) caused byhydrogen sulfide in them
odorcausinghydrogen sulfide
by decomposition of organic substances(passive) caused byhydrogen sulfide
by decomposition of an organic material(passive) caused byhydrogen sulfide
by sulfate(passive) caused byHydrogen Sulfide
symptomswould causesymptoms
symptoms such aswould causesymptoms such as
alsocan ... causealso
this smellto causethis smell
this sewage smellto causethis sewage smell
to some of the odor complaintscontributeto some of the odor complaints
several mass extinctions on Earth in the distant pastto causeseveral mass extinctions on Earth in the distant past
Sulfur(passive) is usually caused bySulfur
no known health effectscausesno known health effects
severe odorswill causesevere odors
harmto causeharm
the smellcausesthe smell
rotten egg like breath , flatulence and stoolscan also causerotten egg like breath , flatulence and stools
your symptomsCould ... be causingyour symptoms
bad breathcan causebad breath
foaming from the mouth , convulsions , seizures , unconsciousness , deathcan causefoaming from the mouth , convulsions , seizures , unconsciousness , death
chemical damagecan causechemical damage
alsocan ... causealso
brain damagecausedbrain damage
seizurescan also causeseizures
seizurescan causeseizures
all of those symptomscan causeall of those symptoms
noticeable increases in respiratory ailments near these sitescausenoticeable increases in respiratory ailments near these sites
flu - like ' symptomscan causeflu - like ' symptoms