Like 2nd type "chemical suicide, one last month think E304 responded to.
Liberty & Fountain Aves....
from NYC Fire Wire
"Brooklyn *HazMat* Box 2067. 95 Fountain Ave off Liberty. E-236 requesting HazMat for a failed chemical suicide attempt, unknown product present".
FYI ....Various links to info on Chemical Suicide attempts ...... INFO ON CHEMICAL SUICIDE ATTEMPT INFO FOR FIRE DEPARTMENTS