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EPA Air · stack tests by state and year

Air-emissions stack tests in Massachusetts, 2024

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Massachusetts during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Massachusetts, 2024

Massachusetts, other years

Air-emissions stack tests recorded in Massachusetts, 2024

DateFacilityWhereKindAgency
2024-12-27ST GOBAIN ABRASIVES, INCWORCESTER, CITY OF, Worcester, MAPassState
2024-12-13MAINSPRING ENERGYWESTFIELD, Hampden, MAPassState
2024-12-13MBTA SOUTH BOSTON POWERBOSTON, CITY OF, Suffolk, MAPassState
2024-12-10KENDALL GREEN ENERGY LLCCAMBRIDGE, TOWN OF, Middlesex, MAPassState
2024-12-10CONSTELLATION WEST MEDWAY LLCMEDWAY, Norfolk, MAPassState
2024-12-05TREW STONE, LLC (PLANT #4)SPRINGFIELD, Hampden, MAPassState
2024-12-05STOP & SHOP WAREHOUSE DISTRIBUTION CTRFREETOWN, Bristol, MAPassU.S. EPA
2024-12-04E INK CORPSOUTH HADLEY, Hampshire, MAPassState
2024-12-04HADLEY AD 1 LLCHADLEY, Hampshire, MAPassState
2024-11-15ITW PERFORMANCE POLYMERSDANVERS, TOWN OF, Essex, MAPassState
2024-10-31NE RENEWABLE POWER FITCHBURG LLCWESTMINSTER, Worcester, MAPendingState
2024-10-22MM TAUNTON ENERGYTAUNTON, TOWN OF, Bristol, MAPassState
2024-10-16REWORLD HAVERHILL LLC F.K.A. COVANTA HAVERHILL INCORPORATEDHAVERHILL, TOWN OF, Essex, MAPassState
2024-10-15MILFORD REGIONAL MEDICAL CENTER INCMILFORD, TOWN OF, Worcester, MAN/AState
2024-10-09REWORLD HAVERHILL LLC F.K.A. COVANTA HAVERHILL INCORPORATEDHAVERHILL, TOWN OF, Essex, MAPassState
2024-10-09AVCARB MATERIAL SOLUTIONSLOWELL, CITY OF, Middlesex, MAPassState
2024-10-07WELLESLEY COLLEGEWELLESLEY, TOWN OF, Norfolk, MAPassState
2024-10-04MASSPORT LOGAN AIRPORTBOSTON, CITY OF, Suffolk, MAPassState
2024-09-17ENTEGRIS INCBILLERICA, Middlesex, MAPassState
2024-08-26UMASS AMHERST CAMPUSAMHERST, Hampshire, MAPassState
2024-08-16UMASS AMHERST CAMPUSAMHERST, Hampshire, MAPassState
2024-07-31TENNESSEE GAS PIPELINE STATION 261AGAWAM, Hampden, MAPassState
2024-07-23MWRA DEER ISLANDBOSTON, CITY OF, Suffolk, MAPassState
2024-07-19PJ KEATING COACUSHNET, Bristol, MAPendingState
2024-07-15NEWPORT MATERIALS LLCWESTFORD, Middlesex, MAPassState
2024-07-09ADHESIVE APPLICATION INCEASTHAMPTON, Hampshire, MAPassState
2024-06-28CONSTELLATION WEST MEDWAY LLCMEDWAY, Norfolk, MAPassState
2024-06-28CLEAN RENTALS INCNEW BEDFORD, CITY OF, Bristol, MAPendingState
2024-06-26UMASS AMHERST CAMPUSAMHERST, Hampshire, MAPassState
2024-06-21FLEXCON COMPANY INCSPENCER, Worcester, MAPassState
2024-06-17MASSACHUSETTS INSTITUTE OF TECHNOLOGYCAMBRIDGE, TOWN OF, Middlesex, MAPassState
2024-06-12GENERAL ELECTRIC AIRCRAFT ENGINESLYNN, CITY OF, Essex, MAPassState
2024-06-12TISBURY TOWING & TRANSPORTATIONNEW BEDFORD, Bristol, MAPendingState
2024-06-10MASSACHUSETTS INSTITUTE OF TECHNOLOGYCAMBRIDGE, TOWN OF, Middlesex, MAPassState
2024-06-04REWORLD HAVERHILL LLC F.K.A. COVANTA HAVERHILL INCORPORATEDHAVERHILL, TOWN OF, Essex, MAPassState
2024-05-13ROCKWOOD FARM ORGANIC RECYCLERYGRANVILLE, Hampden, MAPassState
2024-05-13BELDEN FARMS ORGANIC RECYCLERYHATFIELD, Hampshire, MAPendingState
2024-05-02MEDICAL AREA TOTAL ENERGYBOSTON, CITY OF, Suffolk, MAPassState
2024-05-02CLEAN RENTALS INCNEW BEDFORD, CITY OF, Bristol, MAPassU.S. EPA
2024-04-17AMERESCO CHICOPEE ENERGY, INCCHICOPEE, TOWN OF, Hampden, MAPassState
2024-04-16BAYSTATE MEDICAL CENTERSPRINGFIELD, CITY OF, Hampden, MAPassState
2024-04-16CANAL 3 GENERATING LLCSANDWICH, Barnstable, MAPendingState
2024-04-16CANAL 3 GENERATING LLCSANDWICH, Barnstable, MAPendingState
2024-04-02STONY BROOK ENERGY CENTER — high-priority violation on fileLUDLOW, TOWN OF, Hampden, MAPassState
2024-03-01STONY BROOK ENERGY CENTER — high-priority violation on fileLUDLOW, TOWN OF, Hampden, MAPendingState
2024-02-05UMASS MEDICAL CENTER — high-priority violation on fileWORCESTER, CITY OF, Worcester, MAPendingState
2024-02-02UMASS MEDICAL CENTER — high-priority violation on fileWORCESTER, CITY OF, Worcester, MAPassState
2024-01-24ERVING PAPER MILLSERVING, Franklin, MAPassState
2024-01-17TWIN RIVERS TECHNOLOGIES MANUFACTURING CQUINCY, CITY OF, Norfolk, MAPassState
2024-01-09CLARK UNIVERSITY — high-priority violation on fileWORCESTER, CITY OF, Worcester, MAPendingState
2024-01-04TENNESSEE GAS PIPELINE STATION 261AGAWAM, Hampden, MAPassState
2024-01-04PEABODY MUNICIPAL LIGHT PLANTPEABODY, CITY OF, Essex, MAPassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.