We are pleased to announce the release of our new model, ADMS-Puff. ADMS-Puff is a Lagrangian puff model for dense gas releases. Effects of complex terrain and spatially-varying meteorology can be modelled. Output concentrations, flammability limits, and instantaneous and time-integrated health limits can be calculated by the model. Please see here for more details.
On 1 January 2018 a new amendment ((EC) No 488/2014) to Commission
regulation (EC) No 1881/2006 came into force establishing, among others,
new maximum residue levels (MRLs) for cadmium in chocolate and cocoa
products. To support monitoring of these MRLs in chocolate by food
authorities the JRC has released a new Certified Reference Material
ERM-BD512 Dark Chocolate, certified for cadmium and three other trace
elements. This new CRM was produced from commercially available
chocolate, with cadmium content...
A new nationwide assessment by the U.S. Geological Survey suggests that the nation’s brackish groundwater could help stretch limited freshwater supplies.
This study, the first of its kind in more than 50 years, found that the amount of brackish groundwater underlying the country is more than 800 times the amount currently used each year. With issues like drought, groundwater depletion, dwindling freshwater supplies, and demand for groundwater expected to continue to rise, understanding brackish groundwater...
Spectro Scientific, one of the world’s largest suppliers of oil, fuel, and processed water analysis instrumentation and software, has introduced Version 5 of its FluidScan portable infrared oil analyzer technology. FluidScan oil chemistry analysis enables users to determine when oil is no longer fit for use due to liquid contamination or other degradation. Lubrication abnormalities are a major cause of equipment downtime and failure.
FluidScan Version 5 includes a variety of new features that improve...
On January 19, 2017, the U.S. Environmental Protection Agency (EPA) proposed a process for conducting risk evaluations to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment, including an unreasonable risk to a potentially exposed or susceptible subpopulation, under the conditions of use. 82 Fed, Reg. 7562. The process would not consider costs or other non-risk factors. Risk evaluation is the second step, after prioritization, in a new process of existing...
The U.S. Environmental Protection Agency in December its long-awaited final report on the effects of hydraulic fracturing on drinking water resources in the United States.
The report provides a synthesis of information on impacts of unconventional oil and gas operations on groundwater and surface water. The report is intended to advance the scientific foundation to help states and others better protect drinking water sources and identify uncertainties and data gaps. The report does not provide a risk assessment,...
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