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Jonas Paulsrud

Radonova, accredited
More Than 30 Years of Accredited Radon Measurements – Radonova’s Role in Quality Assurance Uncategorized

More Than 30 Years of Accredited Radon Measurements – Radonova’s Role in Quality Assurance

It has now been more than 30 years since Radonova first received accreditation for radon measurements. Since October 1995, the company has provided accredited measurements and analyses based on quality assurance, traceability, and independence. Today, Radonova is one of only a few laboratories worldwide that can demonstrate such a long and uninterrupted history of accreditation in this field. Radonova history…
Jonas Paulsrud
January 23, 2026
Radonova, cesium-137, Chernobyl
From Chernobyl to Uppsala – Radonova Featured in New Documentary Series Uncategorized

From Chernobyl to Uppsala – Radonova Featured in New Documentary Series

In mid-December, a television crew from Swedish public broadcaster SVT visited Radonova’s laboratory in Uppsala, Sweden. The visit was part of the production of an upcoming documentary series about the Chernobyl nuclear disaster. During the filming, the focus was on measurements of cesium-137, an area that today lies outside Radonova’s core business, which primarily concerns the measurement and analysis of…
Jonas Paulsrud
January 13, 2026
Radonova, radon predictions 2026
Radon 2026: When Regulations Start Being Enforced News

Radon 2026: When Regulations Start Being Enforced

As we move into 2026, the radon issue is entering a new phase. For several years, the primary focus has been on establishing regulations and reference levels, particularly within the EU. Now, however, there are clear signs that more authorities across Europe are beginning to enforce these requirements, especially when it comes to radon measurements in workplaces. In many countries,…
Jonas Paulsrud
January 7, 2026
Happy holidays 2025
We would like to extend our warm holiday greetings to all Radonova customers, partners and friends! Uncategorized

We would like to extend our warm holiday greetings to all Radonova customers, partners and friends!

As the year ends, we look back on a period marked by progress, new insights and strong collaboration. At the same time, the global situation reminds us that many challenges remain. Considering this, Radonova has once again chosen to support UNICEF and its important work for children around the world. We are truly grateful for the trust, engagement and dialogue…
Jonas Paulsrud
December 19, 2025
2025 Radon week
2025 Radon Week: Key Outcomes and Collaborative Milestones About Radon

2025 Radon Week: Key Outcomes and Collaborative Milestones

The 2025 Radon Week, held in Warsaw, Poland, from November 3–6, served as a critical platform for advancing radon mitigation and public awareness. The event successfully unified researchers, policymakers, and industry professionals through two main European Radon Association (ERA) cornerstone events: the ERA Workshop and the ROOMS (Radon Outcomes on Mitigation Solutions) conference. Key Participants and Collaboration Radonova Laboratories, an…
Jonas Paulsrud
November 21, 2025
Why Long-Term Measurement Is the Most Reliable Way to Measure Radon Measurement

Why Long-Term Measurement Is the Most Reliable Way to Measure Radon

An increasing number of people want to know the true level of radon in their homes or workplaces. But which method provides the most reliable result — short-term or long-term measurement? Radonova explains the differences and why long-term measurement is generally the best choice. With a few exceptions, radiation safety authorities around the world recommend long-term radon measurement as the…
Jonas Paulsrud
October 21, 2025
Radon and ventilation
Radon and Ventilation – How They Are Connected Uncategorized

Radon and Ventilation – How They Are Connected

Radon is an invisible, odorless gas formed when uranium in bedrock or certain building materials breaks down. Because it can easily seep into indoor environments, radon levels are strongly influenced by how homes and buildings are ventilated. Understanding the link between radon and ventilation is therefore essential to preventing health risks and ensuring safe indoor air quality, whether in private…
Jonas Paulsrud
October 7, 2025
Indoor Air Quality
GO AQS and Indoor Air Quality Standards in Focus at the UN Uncategorized

GO AQS and Indoor Air Quality Standards in Focus at the UN

On September 23, Sotirios Papathanasiou will address indoor air quality leaders at the United Nations headquarters in New York. In a short speech, he will highlight the need for stronger and open standards to improve the air we breathe indoors. “The gaps and struggles I have seen in this field ultimately led me to found the GO AQS (Global Open…
Jonas Paulsrud
September 22, 2025
Radon Measurement
Radon Measurement Season Begins – Growing Interest in Tracking Annual Averages About RadonMeasurement

Radon Measurement Season Begins – Growing Interest in Tracking Annual Averages

As autumn arrives in the Northern Hemisphere, the radon measurement season gets underway. For anyone who wants a reliable annual average of radon levels in their home, apartment building, or workplace, now is the time to start. The colder months, typically between October and April, create the conditions to measure and analyze radon levels over time. Radon is a naturally…
Jonas Paulsrud
September 16, 2025