Why carry on sampling when background data are now known?

The SERMG programme needs to maintain a readiness otherwise any incident or emergency would not be capable of being identified or dealt with effectively. Although the programme currently presents data that show very little of radiological significance this would not be known if a scheme did not exist. The programme as it currently exists provides an insurance in the event of an incident or emergency. Cutting back to reduce cost would have serious consequences for the conduct of an effective scheme.

Why have a sophisticated programme when a National Radiation Monitoring Network (RIMNET) is up and running?

The raison d'être of RIMNET is to provide early notice of the passage deposition of radioactive contamination. The SERMG scheme provides something different. It augments RIMNET by providing locations and sample specific location as well as being able to identify radionuclides. RIMNET cannot do this. RIMNET is useful in raising an alarm quickly assuming any radioactivity deposited is above a level that can be detected.

However, it is not capable of identifying incidents or contamination away from any of the RIMNET monitors. The SERMG approach is to use high sensitivity spectrometric analysis that can identify very low levels of added radioactivity. SERMG also provides a special response capability and is a source of independent data.

Why not reduce the service to base-level service until a need arises for full capability?

The requirement to maintain a laboratory infrastructure is crucial to the operation of the SERMG scheme. The components of this include staff salaries, radiation counting equipment, preparation equipment, and equipment maintenance.

What are the main SERMG costs?

	Equipment purchase and repair
	Equipment maintenance and upgrades; software upgrades
	Sample transport costs
	Routine administration charges
	Annual report costs
	Annual Seminar organisation
	Staffing (1.5 staff) and space charges