NRSB Accredited Chambers

NRSB Accredited Chambers

NRSB Approved Secondary Chambers

All chambers listed below are qualified to expose passive devices (methods AC, LS, ES, EL, AT). All chambers that have instrument models listed are qualified to calibrate those instrument models. Click on a chamber name to reveal more information.

Bowser-Morner, Inc.

4514 Taylorsville Road
Dayton, OH 45424
937-236-8805

Certification Number: CHM0001 & CHM003

Proficiency Test Procedure (pdf) »

Qualified to Calibrate Instrument Models
31804-femto-Tech CRM-510
31802-femto-Tech R210F Radon Monitor
31803-femto-Tech RS410F
32302-Pylon AB-5 Portable Radiation Monitor
31807-Sun Nuclear 1027
31821-Sun Nuclear 1028
31822-Sun Nuclear 1029
31806-Honeywell A9000A

TCS Industries Inc.

4326 Crestview Road
Harrisburg, PA 17112
717-657-7032

Certification Number: CHM0002

Proficiency Test Procedures (pdf) »

NRSB Approved Tertiary Chambers

All chambers listed below are qualified to expose passive devices (methods AC, LS, ES, EL, AT). All chambers that have instrument models listed are qualified to calibrate those instrument models. Click on a chamber name to reveal more information.

Durridge Company

524 Boston Road
Billerica, MA 01821
781-687-9556

Certification Number: TRC0003

Qualified to Calibrate Instrument Model
31810-DurridgeCo/Niton Rad 7
Professional Electronic Radon Detector

Gemmill Associates

PO Box 413
Paupack, PA 18451
800-846-9893

Certification Number: TRC7002

Qualified to Calibrate Instrument Model
31807 – Sun Nuclear-1023/1026/1027
At Ease Digital Data Logger

Rad Elec, Inc.

5714-C Industry Lane
Frederick, MD 21704
301-694-0011

Certification Number: TRC6002

Qualified to Calibrate Instrument Model
31820 – Rad Elec Radon Scout CRM
31823 – Rad Elec Recon CRM

Radalink, Inc.

5599 Peachtree Road
Atlanta, GA 30341
800-295-4655

Certification Number: TRC11001

Qualified to Calibrate Instrument Model
31815 – Radalink Series 6000 Telemonitor CRM

Radon Testing Corp. of America

2 Hayes Street
Elmsford, NY 10523
914-345-3380

Certification Number: TRC5001

Qualified to Calibrate Instrument Models
31817-RTCA-MR-2000-P CRM
31818-RTCA-MR-2000-S CRM

Sun Nuclear Corporation

425-A Pineda Court
Melbourne, FL 32940
321-259-6862

Certification Number: TRC6001

Qualified to Calibrate Instrument Model
31807-Sun Nuclear 1027 At Ease Digital Data Logger
31821-Sun Nuclear 1028 Continuous Radon Monitor
31822-Sun Nuclear 1029 Continuous Radon Monitor