Convenience and Simplicity, Perfected 
Upload the test and we do the rest. Our lab reviews your data and documentation, and puts together a comprehensive PDF report for you.
See how it works.

Top-notch Support 
We understand that radon testing can seem complicated. That's why our experts are only a phone call away. We offer live technical support to you and your clients during business hours. 
See program info.

Quality Assurance, Guaranteed 
Our monitors automatically run self-diagnostics and a check-source test every time a test is started, and annual calibrations are on us. Because our experts review test data and certify every report, our tests are guaranteed. 
See a sample report.

Unmatched Technology, Unparalleled Accuracy 
The revolutionary technology, found only in our radon monitors, produces highly precise and accurate results. 
View monitor specs.

Why choose Radalink?

Your clients, your family, and your peace-of-mind are the best reasons to trust our programs.Home inspectors know that our certified results and top-notch equipment guarantee that the people they value the most are being accurately informed about their risk of radon exposure. Watch this video.

Main Office:
Radalink, Inc.
5599 Peachtree Rd. 
Atlanta, GA 30341

Call: 1-800-295-4655 TOLL-FREE IN US AND CANADA
Email: customerservice@radalink.com
International: +1 770-457-1944
Fax: 770-457-2105

Our office hours are:
Monday through Friday: 8am to 7pm EST
Saturdays: 10am to 2pm EST

Join our mailing list here.

Independent and relevant Quality Assurance is more important than ever. Choosing a partner with a record of clinically-proven solutions and a history of outstanding quality and service is just as important

Sun Nuclear was founded in 1984 by an experienced group of radiation measurement industry professionals. The objective was simple; to provide world class radiation measurements that improved performance and streamlined workflow.

Our reputation for quality and service resides in our ultimate goal - to exceed the expectations of our customers. With this goal, we are proud to be building Your Most Valuable QA & Dosimetry Tools.

Assuring Quality, Not Checking Boxes
We take our role as an independent QA company very seriously. We recognize the importance of accuracy, precision and independence when designing our products. We believe QA should encourage error discovery and continuous improvement. This is why Sun Nuclear strives to select The Right Tool for the Right Application. Our products utilize ionization chambers, solid state diodes detectors, EPIDs, and dose calculation algorithms to achieve the best possible QA.

Better Outcomes through Technology
We help with the challenges confronting every Radiation Oncology program: safe and effective delivery of the intended dose prescriptions to patients. In choosing Sun Nuclear, you gain a partner with over 30 years of proven experience and you become part of a world-wide network of cancer treatment facilities committed to improving QA and Dosimetry outcomes.

Innovation that Improves Outcomes While Saving You Time

Many companies boast of innovation but few embrace it like Sun Nuclear. At Sun Nuclear innovation is more than a buzz-word. Our product goals are focused on improving outcomes and saving time. This results in the questioning of assumptions and existing methods, leading to break- through products that change the industry for the better.

As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981. We offer a wide array of analytical testing services to support environmental investigations focused on asbestos, microbiology, lead paint, environmental chemistry, indoor air quality, industrial hygiene and food testing. Additionally, we also provide materials testing, characterization, and forensic laboratory services for a wide range of commercial, industrial, regulatory, and law enforcement clients.

Our unmatched capacity coupled with a company-wide focus on customer satisfaction makes no project too large or too small. Our corporate research and development capabilities allow us to bring new methodologies on line quickly to meet new industry challenges and client needs. In recruiting and retaining talented and motivated scientists on a national scope, our expertise is marshaled throughout a nationwide network of analytical laboratories. We are committed to providing reliable, defensible data in a standardized and user-friendly format. Rapid turnaround and competitive prices make the dependable results you get that much more valuable.

At EMSL, we're much more than another testing laboratory. We are your project partner!


Peter Frasca, Ph.D. - President

Luc Boisclair - Senior Vice President, Operations

Joe Frasca - Senior Vice President, Marketing

Rob DeMalo, M.Sc. - Senior Vice President, Lab Services

Ron Smith - Vice President, Sales

Edward Cahill -Vice President, Asbestos Division

Jason Dobranic, Ph.D. - Vice President of Microbiology and Life Sciences

Bruce Faulseit - Vice President of Engineering

Daniel Kocher - Vice President of Contract Services

Jody Thomason - Vice President of the Products Division and Corporate Purchasing

Nicholas Straccione - National Director of Quality Assurance

Maria Boisclair - Director of Administrative Services / Customer Service

EMSL provides easy access to our knowledgeable experts and industry leading customer service professionals.

(Go directly to contact form.) 

General Customer Service
East Coast 1-800-220-3675 Email
  1-888-958-8170 Email
West Coast 1-866-798-1089 Email
Northeast 1-800-220-3675 Email
Southeast 1-888-958-8170 Email
Midwest 1-866-736-4824 Email
South Central 1-866-318-3920 Email
West Coast 1-866-798-1089 Email
Technical Questions / Request Information
Asbestos & Minerals Lab   Email
Air Quality Lab   Email
Chemistry Lab   Email
Consumer Products Lab   Email
DNA Lab   Email
Environmental Lab   Email
Food, Beverage Lab   Email
Forensic Lab   Email
Industrial Hygiene Lab   Email
Lead Lab   Email
Materials Lab   Email
Mechanical Testing Lab   Email
Metals Lab   Email
Microbiology Lab   Email
Pharmaceutical Lab   Email
Polymers & Plastics Lab   Email
Radiological Lab   Email
Radon Lab   Email
Special Projects Lab   Email
Other Lab Services   Email
Sampling Pumps, Cassettes & Rental Equipment Questions
EAST COAST 1-800-220-3675 Email
WEST COAST 1-866-798-1089 Email
Quality Assurance / Quality Control / Accreditations Email
Accounts Payable
EAST COAST 1-800-220-3675 Email
Purchasing   Email
Senior Management   Email
Interested In Selling Your Lab to EMSL?   Email
Please click here to update your contact information

Short Term Radon Test Kits

AccuStar's short term radon test kits are used for the initial screening of a home for the level of radon gas. These radon test kits are also ideal for assessing the performance of a Radon Mitigation system.

Long Term Radon Test Kits

AccuStar's Alpha Track radon test kits are used for long term radon testing. The long term test gives a better representation of the radon concentration over different seasons and building conditions. Exposure time is typically between 3 and 12 months.

Real Estate Radon Test Kits

When performing a test for a real estate transation, speed and accuracy are critically important. AccuStar's short term radon tests can be conducted within 2-4 days and results are available online and via email within 1 day of the labs' receipt of the testing device.

Radon in Water Test Kits

Radon in water may contribute to the level of airborne radon in your home and increase the risk of developing radon-induced lung cancer. It is highly recommended that every home with a private well is tested for radon.

RadStar Continuous Radon Monitors

RadStar continuous monitors are verified by the US EPA and included in the AARST-NRPP certification program. Your RadStar purchase or lease includes software to transfer your radon test data to a PC or laptop and a USB / Serial adapter cable.

AccuStar,  along with RadonAway, the worlds leading manufacturer of radon fans, is a brand of Spruce Environmental Technologies and has been a pioneer in the radon industry for over 15 years.

AccuStar Labs provides accurate, easy to use radon testing products and radon training programs for professionals. Our products and laboratories are NEHA and NRSB certified, and licensed in all States that have such requirements. Our customers also appreciate AccuStar Labs' prompt, courteous service.

Contact AccuStar Labs for:

  • Radon Test Kits -- Air and Water
  • Short term test results reported within 1 business day of receipt by our lab
  • Reports via mail, e-mail, internet or 24-hour toll free telephone
  • RadStar Continuous Radon Monitor
  • Radon Training for Professional Certification

Please submit your inquiry using the form below. An AccuStar representative will respond to you.

Call RadonAway at 800-767-3703 for RadStar technical support, calibration or other service.

Business hours are 8:30 am to 5:00 pm Eastern Time, Monday-Friday.