MK 1, 2, 3
MK 1 has the current requirements
MK 2 requires 2 sludges and about 60 bio/chem
MK 3 requires 3 and about 110-130, similar to other mk3 nades
MK 1 can apply up to 5 stacks of contamination
MK 2 can apply up to 10 or 12
MK 3 can apply up to 20
You could do the same with cryogas, where it applies chilled/frozen sooner/faster. Pesticide too.