In relation to 'To address these concerns, we supplement our Base Estimate of benefits with a series of sensitivity calculations that make use of other sources of concentration-response and valuation data for key benefits categories.', does 'Some scenarios allow for supplemental data to be used in lieu of primary data.' express a contradictory stance?
To address these concerns, we supplement our Base Estimate of benefits with a series of sensitivity calculations that make use of other sources of concentration-response and valuation data for key benefits categories.###Some scenarios allow for supplemental data to be used in lieu of primary data.