55 E service in the field, Re is going to describe one experiment of open field burning of flammable westes. MR. WILLIAM 2, HARRIS? As Mr, Eisenbud pointed out, the Industrial Hygiene job is to provide a service to the contractors of the Commiscion, Now, the contrectors as you rrobably know range in size from a single operator on ea university contract up to the very large pro= duction facilities, such as the feed materials plant at Fernald, and we have inherited in the New York Office, we have inherited those pro-= duction plants which were previously under the New York Office, In the smaller contractors we provide them as Mr, Elsenbud told you, with the function that they Just cennot provide themselves, We have a variety of techniques and a variety of skills availeble which we can make available to them, In other words, we frequently have a staff available to give them the health service whioh is larger than the staff of the operating contractor and we may provide this service for a period of a half day, a day in