Water / Wastewater 25 Expanded SARS-CoV-2 wastewater surveillance test kit


IDEXX has expanded the SARS-CoV-2 wastewater surveillance test kit range by incorporating a Matrix and Faecal Control Kit, which provides a validated matrix recovery control and human faecal measurement for normalisation in a single, multiplexed reaction. The EU Commission recommends both of these controls for providing actionable SARS-CoV-2 wastewater surveillance data to public health offi cials.


IDEXX has worked with laboratories around the globe to accelerate the implementation of wastewater surveillance. The SARS-CoV-2 RT-PCR Test offers standardised methodology, consistent results, and is supported by comprehensive IDEXX quality-control procedures and supply chain expertise. In 2021, a Water Research Foundation (WRF) study showed the IDEXX test outperformed most methods on consistency of detection.


IDEXX introduced the Water SARS-CoV-2 RT-PCR Test in July 2020 to support wastewater surveillance to track the prevalence of COVID-19 in communities. The Water SARS- CoV-2 RT-PCR Test combines the company’s long history of developing PCR tests and over 20 years providing validated wastewater tests. The test gives consistent results that have been validated on real-world and geographically diverse samples.


More information online: ilmt.co/PL/nLQv 57619pr@reply-direct.com


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A simple and eff ective solution to chlorine


generation Chlorine (Cl2) has always been a diffi cult gas to handle when using traditional gas cylinders. It is very reactive and problematic in terms of accuracy and its erratic shelf life. This has made life diffi cult for personnel working across a wide range of industries, such as in the water treatment sector.


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With this in mind, Euro-Gas designed and developed their GazCal Gas Generator, which is now an indispensable tool for people working with chlorine gas. Engineers within the water industry fi nd this rugged, portable and battery- operated tool ideal for testing and calibration, both in the lab and in the plant. The GazCal comes in a robust and compact carrying case and enables rapid testing and calibration with negligible warm-up time. This simple to use device can be operated by anyone! Simply set the necessary PPM level via the unit’s dial-up digital display and it is ready for action. The Gazcal generates Cl2 levels ranging from 0.5 – 20 ppm and is also suited to act as a surrogate for the cross-calibration of O3, ClO2, COCl2, HF and F2.


Euro-Gas have designed the GazCal to overcome the usual problems of a low shelf life. Cell life is only used up when the unit is in operation, whilst traditional cylinders can simply die out after up to 6 months. The generator can therefore last for up to a decade, often without the necessity to change the cell and needing only a yearly recertifi cation of calibration, which can be carried out by Euro-Gas or qualifi ed technicians at the site.


The GazCal cell has a lifetime of 500ppm hours, equating to 100 hours of constant use at a 5ppm concentration level, which enables a minimum of 400 individual calibrations. Operators can see the life span of the generating cell on the unit’s cell life indicator. Once the cell is used up, a new generating cell can be installed easily. Depending on the level of experience that the engineer has with gas detection calibration, regular small gas cylinders will usually only perform around 5 – 10 calibrations per cylinder. The GazCal may initially be more costly than a small cylinder but in the longer term, the generator will be far more economical.


Moreover, gas cylinders only attain one specifi c concentration per cylinder purchased, say for instance 5ppm of Cl2, whereas the GazCal is totally adjustable between the 0.5ppm to 20.0ppm range and in 0.1ppm steps. Therefore, the Gazcal produces many different concentration levels from one device. In addition, low concentrations of Cl2 are effi ciently produced with the GazCal, even 1ppm and 2ppm levels, whereas it is extremely problematic to achieve cylinder stability at low concentration levels.


More information online: ilmt.co/PL/3vOB 51266pr@reply-direct.com


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WWW.ENVIROTECH-ONLINE.COM Ultrameter II™ Water Quality Analyzer


Replace up to 6 laboratory instruments with one portable, handheld meter for fast fi eld analysis ! Myron L®


Company’s Ultrameter II 6PFCE provides a comprehensive suite of


in-situ water quality analysis tools that are designed to replace more costly and less convenient laboratory equipment. A true one-handed instrument, the 6PFCE delivers Conductivity, Resistivity, TDS, pH, ORP, Free Chlorine Equivalent (FCE


Temperature measurements quickly and easily with the press of a button. Unlike other similar meters, the 6PFCE


Conductivity/TDS measurements feature


the ability to select from one of three preprogrammed solution models, KCl, NaCl, or Myron L’s own 442 Natural Water™ Standard, or you can program a User solution mode based on a known solution yourself. The result is benchtop accuracy of ±1% of reading in a handheld instrument. Accuracy increases to ±.1% of reading at calibration point. Temperature compensation is automatic to 25°C or can be disabled by the user as required. Autoranging capabilities provide increased reading resolution across a broad range of applications.


pH readings are also temperature compensated, and you can choose to perform a 1-, 2-, or 3-point calibration depending on the range of samples measured to achieve ±.01pH accuracy. The pH sensor is of a proprietary construction and includes a large potassium chloride solution reservoir for longer life. Myron L pH sensors are also user replaceable, extending the useful life of the 6PFCE


.


The ORP sensor utilizes a 99.9% pure platinum electrode and a reference junction that is shared with the pH sensor. Measurement accuracy is ±1 millivolt.


In addition, the 6PFCE features a groundbreaking new way to derive Free Available Chlorine from a predictive ORP value


and the actual pH of water. In systems where chlorine is the only sanitizer, this method accurately determines the chemical concentration of free chlorine without the hassle and subjectivity of colorimetric and test-strip methods.


Calibration and maintenance are simple, so the 6PFCE can be serviced by the user. The 6PFCE is also IP67 dust-tight and


waterproof, NEMA 6 submersible, and buoyant. Plus, Myron L technical support is included for the life of the product. More information online: ilmt.co/PL/Y05o


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Water Quality Testers for Environmental Applications Clean Water Makes Everybody Happy!


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58228pr@reply-direct.com ™), and


Ultrameter llTM E


Conductivity Resistivity TDS


ORP/Free Chlorine Equivalent (FCE TM


pH Temperature


) TM


www.myronl.com 760-438-2021


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