Contact Info

About Site:

Our Northborough, Massachusetts Gamma and Ethylene Oxide processing site has the following characteristics:


Carrier Type: Batch Irradiator
Carrier Dimensions:  Batch Irradiators:
635 x 940 x 2134 (mm) |
25 x 37 x 84 (in)
Notes Actual dimensions are provided. Usable dimensions may vary depending on product, packaging and/or dose range.
 Ethylene Oxide:
Number of Chambers: 4 Chambers
Pallet Dimensions:  2642 x 1016 x 1219 (mm)

48 x 40 x 104 (in)

Chamber Sizes: 13 pallets



Process Components:
Batch Gamma Irradiation Process Components
  • Uses Cobalt-60 in a Dwell Type, 9 carrier batch irradiator (for unique or low-volume applications).
  • Moves product through the gamma irradiation process using a monorail system and an automatic conveyor system.
  • Quick turn time within 8 hours door to ship.
  • Barriers prevent mixing of processed and unprocessed products.
Ethylene Oxide (EO) Sterilization Process Components:
  • Uses 100% EO, a fully automated conveyor system, and a highly flexible computerized vessel control system.
  • 60,000 cfm PCR recirculation system ensures highly efficient temperature and RH distribution.
  • Full height chambers eliminate the need to re-stack products between trailer and vessel.
  • Full load temperature and RH monitoring is available.
  • Facility meets all Clean Air Requirements, including Ethylene Oxide Standards for Sterilization Facilities (CFR-40, part 63, Sub-part O).
  • Preconditioning rooms and Degas/Aeration Cells are individually controlled.
  • Facility offers biological indicators and storage services.
  • STERIS AST operates under a quality system that is in compliance with 21 CFR Part 820 and applicable sections of 21 CFR Part 211. In addition, STERIS AST is registered to the ISO 13485:2003 Quality Standard, and adheres to the requirements of ISO 11137-1:2006 (Gamma) and ISO 11135-1:2007 (EO).

STERIS AST Northborough, MA ISO Certificate

FDA Device Registration Number: 1220477

PAL Registration Number: BG30400133




435 Whitney Street, Northborough, Massachusetts 01532, United States of America

Phone number:

+1 508 393 9323