Water Quality Archives

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Meet Chelsea At Posidonia 2022

23.05.2022

Michael, representing Chelsea Technologies at Posidonia 2022, has more than 25 years of strategic experience across a myriad of maritime sectors. Throughout his career, he has been a prominent crusader for environmental sustainability and marine safety. Michael has been instrumental in the development of international mandatory regulations requiring water ingress alarms on bulk carriers and in forming BWT regulations. Chelsea Technologies is also represented at Posidonia 2022 by Helexco, specialists in the provision of ship equipment, and both Michael Haraldsson and Helexco will be available to discuss Chelsea’s maritime solutions at stand 4.221 during the exhibition. Chelsea Technologies’ Maritime ProductsRead more

Chile’s Algal Blooms Challenges

12.05.2022

Once considered a seasonal delicacy, salmon is now one of the most widely available superfoods in western supermarkets. The fatty fish is rich in omega-3 fats, selenium, and several B vitamins, and has been attributed to lowering the risk of illnesses and conditions such as heart attacks and strokes. In Chile, salmon farming has grown to become one of the nation’s top trading exports and the country now produces a quite remarkable 25% of the world’s salmon supply, with more than 1,000 fish farms in operation along the length of the Patagonian coastline. Salmon is Chile’s top export outside ofRead more

Aquaculture UK: We’re There!

27.04.2022

The Omnis+ Water Quality System will be at the show, and our full team of advisors will be on hand to both demo and answer any questions that you may have about the Chelsea Technologies sensor options ideal for the aquaculture industry. Throughout the week, Chelsea’s application and technology experts will be on hand to offer advice so please drop by Stand 221. For more information about Chelsea Technologies at Aquaculture UK and how we can help you please contact us directly. Chelsea Technologies at Aquaculture UK At the show, we’ll be there to demonstrate some of our great instrumentsRead more

Chelsea Technologies Announces New Water Quality Alert System for Sewage, Pollution & Algae

24.02.2022

Water quality has never been in the news as much as it is currently, with regular coverage throughout the media of sewage spills into rivers, algal blooms and buildup in lakes and streams, and pollution from industrial runoffs and processes making its way into the marine environment. With clear public and government pressure for water quality monitoring, notifications and testing, Chelsea Technologies is proud to announce the new Omnis+ range, providing water quality investigative bodies its class-leading sensors in a low-cost unattended system to continuously monitor sewage, pollution and algae, with live data straight to phones, tablets and PCs. “ChelseaRead more

Fluorescence Ballast Water Testing: STAF or PAM?

31.01.2022

Fluorescence ballast water testing tools come in two varieties: STAF (Single Turnover Active Fluorometry) and PAM (Multiple Turnover Pulse Amplitude Modulated). In this article, we’re taking a look at some of the key differences that set these two techniques apart, and how these differences impact the results of ballast water compliance testing. Ballast water testing: why? Ballast water is defined as water taken on board a ship to control trim, list, draught, stability or stresses of the ship. Ballast water operations are essential for the safe operation of ships and a perfectly standard part of shipping – ballast water providesRead more

The Science Behind Chelsea Technologies: Excerpts & Updates

18.01.2022

We probably don’t talk about the science behind Chelsea Technologies as much as we might, but academia isn’t short of research papers that reference our science, scientists and apparatus, and this small overview highlights some of the recent publications relevant to our technology. Paper: Single-Turnover Variable Chlorophyll Fluorescence as a Tool for Assessing Phytoplankton Photosynthesis and Primary Productivity: Opportunities, Caveats and Recommendations In this paper, the authors assist the existing and upcoming user community by providing an overview of current approaches and consensus recommendations for the use of ST-ChlF measurements to examine in-situ phytoplankton productivity and photo-physiology. The authors argue thatRead more

Ballast Water Webinar Week

17.01.2022

Chelsea Technologies’ Michael Haraldsson joins the panel this week at Ballast Water Webinar Week to discuss the many issues that are surfacing around commissioning testing. The amendments to regulation E-1 of the BWM Convention adopted by MECP 74 require biological efficacy testing when commissioning a BWTS on board a vessel. But what happens if the commissioning test is unsuccessful? Beginning Tuesday 18 January, Ballast Water Webinar Week will be holding a series of webinars focused on deadlines, commissioning tests and shipowner requirements for 2022 and 2023. Each webinar is meticulously researched and speaks to a key industry challenge, headache or opportunity.Read more

UN Global Goal 3 & The Tryptophan Breakthrough

10.01.2022

What is UN Sustainable Development Goal 3? In the fine words of the UN declaration, ‘By 2030, substantially reduce the number of deaths and illnesses from hazardous chemicals and air, water and soil pollution and contamination.’ Inadequate and unsafe drinking water, sanitation and hygiene is linked to 60 per cent of the disease burden from diarrhoea. UN Goal 3 is one of 17 Sustainable Development Goals established by the United Nations General Assembly in 2015. UN Global Goal 3 (SDG 3 or Global Goal 3) concerns itself with basic human health. Tragically, the world is falling short on its promiseRead more

Achieving UN Sustainable Development Goal 6 With Our Tryptophan Sensor

07.01.2022

What is UN Sustainable Development Goal 6? UN Sustainable Development Goal 6 (SDG 6 or Global Goal 6) is about “clean water and sanitation for all”. It is one of 17 Sustainable Development Goals established by the United Nations General Assembly in 2015, with the official wording: “Ensure availability and sustainable management of water and sanitation for all.” The goal has eight targets to be achieved by at least 2030. Progress toward the targets will be measured by using eleven indicators. The proportion of the global population using safely managed drinking water services increased from 61 per cent in 2000Read more

Monitor Sewage Discharge With Chelsea Technologies’ Tryptophan Sensor

23.12.2021

Typical post-storm sewage discharge into a river system. Water companies are permitted to release sewage into rivers and streams when the existing sewer system’s capacity can’t cope, for example after extreme weather events such as prolonged heavy rain Why is there even sewage discharge in our rivers? Water utilities are permitted to release sewage into rivers and streams when the existing sewer system’s capacity can’t cope, for example after extreme weather events such as prolonged heavy rain. This protects properties from flooding and prevents sewage backing up into our streets, homes and roads. Indeed, the EA itself says that overflowsRead more

How Can Tryptophan-like Fluorescence Be Applied For Monitoring Water Quality And What Can It Do For You?

02.12.2021

Laboratory studies have clearly identified that TLF is produced by all bacteria tested, both laboratory and environmental freshwater derived; tryptophan is an essential amino acid produced by all living things. While this work has demonstrated very strong significant correlations between single species enumeration and TLF intensity, the omnipresence of TLF prevents it from being applied as a species-specific enumerator, for example as an E. coli counter. This is particularly problematic in complex surface waters where the microbial communities are diverse and complex, further complicated by optical interferences such as absorbance and turbidity. Recently, the scientific literature has been moving awayRead more

Monitoring Algal Blooms, Maintaining Water Quality and Chelsea Technologies Solutions For Commercial Aquaculture

23.11.2021

Why would commercial aquaculture monitor algal blooms? Algae are essential for life on Earth and for commercial aquaculture. But when some species bloom, they can cause harm. Some 5,000 species of microalgae form the foundation of aquatic food chains, help control atmospheric CO2 levels, and produce roughly half of the world’s oxygen. The troublemakers are approximately 250 species that can produce potent toxins or cause harm through their sheer biomass; a particular problem in the aquaculture industry where the presence of algal blooms can cause all stock to be lost. What is a harmful algal bloom? Algal blooms can: •Read more