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	1990 - 1993
	SubSeries
	Open

North Thames Gas, OR department draft reports relating to telephone traffic and standards of reports. North Thames Gas, OR department draft reports relating to telephone traffic and standards of reports, including reports on cash flow forecasting, calculations of water content estimate, wet gas pumping test, oil filming of water-sealed gas holders and low pressure storage requirements. North Thames Gas, OR department, draft reports relating to telephone traffic and standards of reports, including reports on appliance sales forecasting model, userguide for data editor, risk analysis to regional storage requirements and positive contribution via TQM.