EPA Air · inspections by county and year
Air-emissions inspections in Middlesex County, Massachusetts, 2025
- 190Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Middlesex County, Massachusetts during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Middlesex County facility page.
Middlesex County, Massachusetts, 2025
Air-emissions inspections in Middlesex County, other years
Air-emissions inspections recorded in Middlesex County, Massachusetts, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-29 | VICINITY ENERGY CAMBRIDGE LLC | PCE Off-Site | State |
| 2025-12-16 | LOWELL IRON AND STEEL | PCE On-Site | U.S. EPA |
| 2025-12-15 | KENDALL GREEN ENERGY LLC | PCE Off-Site | State |
| 2025-12-15 | POWER PRODUCTS SYSTEMS LLC | FCE On-Site | State |
| 2025-12-11 | DUNCAN GROUP THE — high-priority violation on file | PCE On-Site | State |
| 2025-12-10 | DUNCAN GROUP THE — high-priority violation on file | PCE On-Site | U.S. EPA |
| 2025-12-02 | KIDDE FENWAL INCORPORATED | FCE On-Site | State |
| 2025-11-20 | LEMAITRE VASCULAR INC | FCE On-Site | State |
| 2025-11-14 | KENDALL GREEN ENERGY LLC | PCE Off-Site | State |
| 2025-11-13 | BAKER COMMODITIES | FCE On-Site | State |
| 2025-11-05 | BROX INDUSTRIES INC | PCE On-Site | State |
| 2025-11-04 | SPAULDING HOSPITAL CAMBRIDGE INC | FCE On-Site | State |
| 2025-10-31 | MONOGRAM GOURMET WHOLESALE BAKERY, AKA WHOLE FOODS MARKETS BAKE HOUSE | PCE On-Site | State |
| 2025-10-30 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | PCE Off-Site | State |
| 2025-10-29 | VICINITY ENERGY CAMBRIDGE LLC | PCE Off-Site | State |
| 2025-10-24 | BROX INDUSTRIES INC — high-priority violation on file | PCE On-Site | State |
| 2025-10-23 | WHITEHEAD INSTITUTE FOR BIOMEDICAL RESEARCH — high-priority violation on file | FCE On-Site | State |
| 2025-10-23 | PURE ENCAPSULATIONS LLC | PCE On-Site | State |
| 2025-10-22 | JG MACLELLAN CONCRETE CO | PCE On-Site | State |
| 2025-10-21 | WOODLAWN CEMETARY | PCE Off-Site | State |
| 2025-10-21 | ENTEGRIS INC | FCE On-Site | State |
| 2025-10-17 | BROX INDUSTRIES INC — high-priority violation on file | PCE On-Site | State |
| 2025-10-14 | DISTRIGAS OF MASSACHUSETTS LLC | PCE Off-Site | State |
| 2025-10-06 | KENDALL GREEN ENERGY LLC | PCE Off-Site | State |
| 2025-10-06 | KENS FOODS INCORPORATED — high-priority violation on file | PCE On-Site | State |
| 2025-09-29 | BENEVENTO ASPHALT CORPORATION | PCE Off-Site | U.S. EPA |
| 2025-09-23 | MARKLEY LOWELL | FCE On-Site | State |
| 2025-09-23 | THERMO FISHER SCIENTIFIC | FCE On-Site | State |
| 2025-09-11 | WJ GRAVES CONSTRUCTION CO | PCE On-Site | U.S. EPA |
| 2025-09-11 | WJ GRAVES CONSTRUCTION CO | FCE On-Site | State |
| 2025-09-11 | LE MASURIER GRANITE QUARRY | PCE On-Site | U.S. EPA |
| 2025-09-10 | SAFETY KLEEN CORPORATION | FCE On-Site | State |
| 2025-09-10 | HUDSON LIGHT & POWER DEPARTMENT | FCE Off-Site | State |
| 2025-09-10 | HOPKINTON LNG CORP | FCE Off-Site | State |
| 2025-09-10 | BROX INDUSTRIES INC — high-priority violation on file | PCE On-Site | State |
| 2025-09-08 | BOSTON FINANCIAL DATA SERVICS INC | PCE Off-Site | State |
| 2025-09-04 | ENTEGRIS INC — high-priority violation on file | FCE On-Site | State |
| 2025-09-03 | DISCOVERY LABWARE | PCE On-Site | State |
| 2025-09-03 | HOLCIM - NER INC | FCE On-Site | State |
| 2025-08-28 | STAFFORD MANUFACTURING CORP | FCE On-Site | State |
| 2025-08-27 | CONSTELLATION FRAMINGHAM LLC | FCE Off-Site | State |
| 2025-08-26 | SHIRE HUMAN GENETICS THERAPIES | PCE On-Site | State |
| 2025-08-21 | PJ KEATING COMPANY | FCE On-Site | State |
| 2025-08-19 | HARVARD UNIVERSITY | FCE Off-Site | State |
| 2025-08-14 | PROLERIZED NE COMPANY — high-priority violation on file | PCE On-Site | State |
| 2025-08-14 | DESKTOP METAL — high-priority violation on file | PCE Off-Site | State |
| 2025-08-14 | GREEN ANALYTICS MASSACHUSETTS | FCE On-Site | State |
| 2025-08-12 | DUNCAN GROUP THE — high-priority violation on file | PCE On-Site | State |
| 2025-08-12 | PROLERIZED NE COMPANY — high-priority violation on file | PCE On-Site | State |
| 2025-08-08 | NOVARTIS INSTITUTE FOR BIOMEDICAL RESEARCH | PCE Off-Site | State |
| 2025-08-05 | REPLIGEN CORPORATION | PCE On-Site | State |
| 2025-08-05 | QSA GLOBAL INC | FCE On-Site | State |
| 2025-07-31 | PIANTEDOSI BAKING CO | PCE Off-Site | State |
| 2025-07-30 | USAF HANSCOM AFB 66 ABG/CEIE | PCE Off-Site | State |
| 2025-07-30 | USAF HANSCOM AFB 66 ABG/CEIE | PCE Off-Site | State |
| 2025-07-30 | USAF HANSCOM AFB 66 ABG/CEIE | PCE Off-Site | State |
| 2025-07-30 | NEWLY WEDS FOODS | PCE Off-Site | State |
| 2025-07-29 | HUDSON LIGHT & POWER DEPARTMENT | PCE Off-Site | State |
| 2025-07-29 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | PCE Off-Site | State |
| 2025-07-29 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | PCE Off-Site | State |
| 2025-07-29 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | PCE Off-Site | State |
| 2025-07-28 | CONSTELLATION FRAMINGHAM LLC | PCE Off-Site | State |
| 2025-07-28 | CONSTELLATION FRAMINGHAM LLC | PCE Off-Site | State |
| 2025-07-28 | BROX INDUSTRIES INC — high-priority violation on file | PCE On-Site | State |
| 2025-07-28 | BIOGEN INCORPORATED | PCE Off-Site | State |
| 2025-07-24 | THERMO FISHER SCIENTIFIC | FCE On-Site | State |
| 2025-07-23 | BOSTON COLLEGE CHESTNUT HILL | PCE Off-Site | State |
| 2025-07-23 | LAHEY CLINIC HOSPITAL INC | PCE Off-Site | State |
| 2025-07-21 | BOSTON COLLEGE CHESTNUT HILL | PCE Off-Site | State |
| 2025-07-21 | TENNESSEE GAS PIPELINE STA 267 | PCE Off-Site | State |
| 2025-07-18 | MYSTIC STATION | PCE Off-Site | State |
| 2025-07-18 | MYSTIC STATION | PCE Off-Site | State |
| 2025-07-18 | MYSTIC STATION | PCE Off-Site | State |
| 2025-07-17 | JG MACLELLAN CONCRETE CO | PCE On-Site | State |
| 2025-07-15 | DUNCAN GROUP THE — high-priority violation on file | PCE Off-Site | State |
| 2025-07-14 | SCHLEIFRING NORTH AMERICA | FCE On-Site | State |
| 2025-07-13 | ROCHE BROTHERS BARREL & DRUM CO. | PCE Off-Site | State |
| 2025-07-10 | MAJILITE MANUFACTURING INC | PCE Off-Site | State |
| 2025-07-09 | MAJILITE MANUFACTURING INC | PCE Off-Site | State |
| 2025-07-08 | CURIA MASSACHUSETTS INC | FCE On-Site | State |
| 2025-07-01 | MA COM TECHNOLOGY SOLUTIONS INC | PCE Off-Site | State |
| 2025-06-27 | DUNCAN GROUP THE — high-priority violation on file | PCE On-Site | State |
| 2025-06-26 | REPLIMUNE INC — high-priority violation on file | FCE On-Site | State |
| 2025-06-23 | BRADFORD INDUSTRIES | FCE On-Site | State |
| 2025-06-13 | KENDALL GREEN ENERGY LLC | PCE Off-Site | State |
| 2025-06-10 | PHOENIX TAILINGS | PCE On-Site | State |
| 2025-06-05 | MBTA ARBORWAY GARAGE | PCE On-Site | U.S. EPA |
| 2025-06-03 | MBTA FELLSWAY BUS GARAGE YARD | PCE On-Site | U.S. EPA |
| 2025-06-02 | ABCAM INC — high-priority violation on file | FCE On-Site | State |
| 2025-05-22 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | FCE Off-Site | State |
| 2025-05-16 | STONEHAM RESEARCH CENTER | PCE Off-Site | State |
| 2025-05-16 | CAMBRIDGE BRANDS INC — high-priority violation on file | PCE Off-Site | State |
| 2025-05-16 | CAMBRIDGE BRANDS INC — high-priority violation on file | PCE Off-Site | State |
| 2025-05-16 | CAMBRIDGE BRANDS INC — high-priority violation on file | PCE Off-Site | State |
| 2025-05-16 | CAMBRIDGE BRANDS INC — high-priority violation on file | PCE Off-Site | State |
| 2025-05-14 | TECOMET | FCE On-Site | State |
| 2025-05-12 | KENDALL GREEN ENERGY LLC | PCE Off-Site | State |
| 2025-04-30 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | PCE Off-Site | State |
| 2025-04-29 | BENEVENTO ASPHALT CORPORATION | PCE On-Site | State |
| 2025-04-28 | VICINITY ENERGY CAMBRIDGE LLC | PCE Off-Site | State |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.