INFLATION REDUCTION ACT (IRA): END-TO-END, MULTI-MODAL, HIGH RESOLUTION METHANE INVENTORY QUANTIFICATION (E2E-METHANE-IQ) THE OBJECTIVE OF THIS SCOPE IS TO DEVELOP AN END-TO-END, MULTI-MODAL, HIGH RESOLUTION METHANE INVENTORY QUANTIFICATION (E2E-METHANE-IQ) TECHNOLOGY, WHICH WILL BE (I) FULLY VALIDATED THROUGH MULTIPLE MEASUREMENT CAMPAIGNS IN ALL MAJOR BASINS IN THE WESTERN UNITED STATES (INCLUDING UINTA, FOUR CORNERS, SAN JOAQUIN, GREEN RIVER, MONTANA, BIG HORN, ETC.), (II) AGNOSTIC TO THE INDIVIDUAL SENSING TECHNOLOGIES, (III) FULLY SCALABLE AND OPERATIONALLY FROM EQUIPMENT TO REGIONAL LEVEL AND FROM MINUTES TO MONTHS, AND (IV) READILY EXTENSIBLE TO ACCOMMODATE SPECIFIC NEEDS IN CERTAIN REGIONS OR APPLICATIONS.