R and V are costs for pumping and maintenance of sewer networks.R and V are costs for pumping and maintenance of sewer networks
	B is the cost associated with Biological Treatment of the contamination in the Trade Effluent, compared to the level of contamination found in Domestic Waste Water
	S is the cost of sludge disposal of solids in the Trade Effluent, compared to the level of solids in Domestic Waste Water
	M is the cost of pumping treated Waste Water to the marine environment
	Ot is the biological strength of the Trade Effluent,Ot is the biological strength of the Trade Effluent
	Os is the biological strength of Domestic Waste
	St is the solids level in the Trade EffluentSt is the solids level in the Trade Effluent
	Ss is the solids level in Domestic waste
	p/m3 is the unit charge in pence for every cubic metre of Trade Effluent discharged

If I can help identifying how the elements of the Mogden formula relate to your Trade Effluent and your local Water Company, please contact me.