Mark: The signage was written on a vehicle/trailer I saw today, sounds like it's for quite serious tasks doesn't it ?

Stab a guess what it does :-)

surfisup1000:

Quite obviously a portaloo. 

Mark: 

I like that answer!  But no-one is even close yet :-)

Mark: Of all things to be in the "Environmental Response Unit" it's actually a radio controller lawn mower .... maybe they have emergency situations where a berm MUST be mowed urgently ?  :-) 

SaltyNZ: Camouflage for the secret government unit that puts fluoride in the water to control our minds.

Mark: Of all things to be in the "Environmental Response Unit" it's actually a radio controller lawn mower .... maybe they have emergency situations where a berm MUST be mowed urgently ?  :-)