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inputDataQuality - Optional.(InputDataQuality_Enum)

It can be reported if quantitative data for this substance is reported. To reflect the reliability and variance of the data provided, taking into account issues such as the availability of monitoring data, the reliability of emission factors used in calculations, the difficulty of taking account of seasonal influences in areas with high seasonal variation etc. E.g. very good would imply a substantial monitoring basis, very uncertain would imply a very weak or absent monitoring basis (heavy reliance on estimation).