EHS Consulting Articles

  • 5 Habits that are bad for your indoor air quality

    School is starting, but warm weather means we are still spending more time outside and keeping windows open as much as possible. However, it doesn’t mean we are safe from poor indoor air quality at home. In fact, indoor air may be more polluted in the summer months than in the wintertime. The reasons include high humidity, pollutant buildup, pesticides and VOCs. There are certain habits in ...


    By Allerair Industries

  • A Checklist To Keeping Your Control Valves In Good Health

    Don’t let your valves flat-line! Learn how to properly examine your ...


    By Singer Valve Inc.

  • Quantitative microbial risk assessment to estimate the health risk from exposure to noroviruses in polluted surface water in South Africa

    This study assessed the risks posed by noroviruses (NoVs) in surface water used for drinking, domestic, and recreational purposes in South Africa (SA), using a quantitative microbial risk assessment (QMRA) methodology that took a probabilistic approach coupling an exposure assessment with four dose-response models to account for uncertainty. Water samples from three rivers were found to be ...


    By IWA Publishing

  • Identification and risk assessment of human and veterinary antibiotics in the wastewater treatment plants and the adjacent sea in Tunisia

    In the following study, we came up with and validated a prompt, sensitive and precise method for the simultaneous determination of 56 antimicrobial drugs (tetracyclines, sulfonamides, β-lactams, macrolides and quinolones) using the ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). This method was implemented with success to determine antibiotics in samples ...


    By IWA Publishing

  • The ecological risk assessment and suggestions on heavy metals in river sediments of Jinan

    The concentrations of eight heavy metals (Cr, Hg, As, Pb, Cd, Cu, Zn, Ni) in six river sediment samples were collected for evaluation of the degree of the heavy metals pollution distribution and ecological risk of three main rivers' sediments in Jinan. Multivariate statistical techniques were used to determine the most common pollution sources. The results illustrated that all of the metals in ...


    By IWA Publishing

  • Occurrence and fate of Ascaris lumbricoides ova in biosolids in Victoria, Australia: a human health risk assessment of biosolids storage periods

    Reuse of sewage biosolids in Victoria, Australia, typically involves mesophilic anaerobic digestion followed by air-drying and long-term storage to ensure removal of ova of soil-transmitted helminths (STH) such as Ascaris lumbricoides. Long-term storage degrades the biosolids' agronomic quality due to the loss of key plant nutrients and takes up large areas of storage space. The impact of ...


    By IWA Publishing

  • New York Legionella regulations: are they missing the boat?

    Abstract A large outbreak of Legionnaires’ disease in the Bronx in 2015 prompted NYC to enact law and NYS to propose emergency regulations on the registration and maintenance of cooling towers. This paper describes the fundamental characteristics of point sourced vs. potable water sourced outbreaks and discusses the Bronx outbreak from those perspectives. Ultimately a case is made that ...


    By Evapco Inc.

  • A Health and Safety Career

    From Starting Out to Becoming Chartered Former SHEilds student Gary Webster who became an employee describes a Health and Safety career, from starting out to becoming chartered.  I suppose the foundations of Health and Safety were planted within me when I served in the Army. I was a PTI (Physical Training Instructor) in charge of the daily fitness ...


    By SHEilds Ltd

  • Occurrence of Legionella in showers at recreational facilities

    Critical environments, including water systems in recreational settings, represent an important source of Legionella pneumophila infection in humans. In order to assess the potential risk for legionellosis, we analyzed Legionella contamination of water distribution systems in 36 recreational facilities equipped with swimming pools. One hundred and sixty water samples were ...


    By IWA Publishing

  • 8 Steps for Conducting an EHS Culture Assessment

    Environment, health and safety (EHS) managers spend a significant amount of time developing, implementing, auditing and managing their EHS programs—all while training employees, monitoring and measuring performance, and reporting on progress. But despite their best efforts, many EHS managers still find their programs fail to drive best-in-class performance. Why? In our experience, the lack ...


    By Antea Group - USA

  • Emergency Planning & ADA

    A year ago, Laura, an SCM Team member, fell and fractured her knee cap.  Following surgery, for the next few months, she was non-ambulatory.  She could not walk with that knee.  She became very aware of the difficulties faced by people with special challenges and impairments.  Her experiences bring to mind that whether permanent or temporary, there are times where additional ...

  • Input-output model based ecological risk assessment for ecological risk management of watersheds: a case study in the Taihu Lake watershed, China

    To achieve advanced watershed ecological management, policy-makers have struggled to predict ecological impacts for a long time. As a process of ecosystem analysis, ecological risk assessment (ERA) has been widely adopted to analyse the possibility of adverse ecological effects. ERA has developed from considering only a few indicators in an area to multiple sources and receptors in large-scope ...


    By IWA Publishing

  • What is Indoor Air Quality?

    Indoor Air Quality (IAQ) refers to the degree of air purity inside buildings that constitute the usual environment in which people carry out activities (offices, homes, schools, shopping and leisure centres, etc.) Because of increasing urbanisation and our contemporary lifestyle, most people spend a large proportion of their time in these closed environments. The high level of atmospheric ...


    By Bioconservacion SA

  • What is Indoor Air Quality and How Can You Improve It?

    For the longest time, air quality was meant to refer to the quality of air circulating outdoors. However, indoor air or the air found inside and around homes and office buildings is just as important to pay attention to. Improving indoor air quality should be a priority for everyone.  What is Indoor Air Quality? Indoor air quality is the quality of air found circulating ...


    By Filter Buy

  • Employee Health and Safety Involvement - Communicating with your Workforce

    Part of a recognised management system such as HSG65 or ISO 18001 is the requirement that companies strive for ‘continual improvement’. On the face of it this seems like an unquestionable positive, but its pursuit is not without pitfalls. These are intended to be productive exercises aimed at improving systems and safety. Unfortunately some companies tend to ...


    By Intelex Technologies Inc.

  • Failure risk assessment in water network in terms of planning renewals – a case study of the exemplary water supply system

    In the paper the issue of failure risk assessment in water supply system (WSS) was presented. Problems of water supply network failure constitute a crucial issue in waterworks practice. The results of the analysis were obtained on the basis of real data from water network operation. Attention has been paid to the problem of risk assessment in the context of risk acceptance criteria. An example ...


    By IWA Publishing

  • Risk assessment of haloacetic acids in the water supply of Tehran, Iran

    Disinfection by-products are compounds occurring in drinking water as a result of reactions between disinfectants and impurities in raw water, and their occurrence has been a public health concern for the last four decades. Haloacetic acids (HAAs) are one of the major by-products of chlorination. The concentration and variation of HAAs was monitored in 540 samples taken from tap water in six ...


    By IWA Publishing

  • How risk assessments can make a city more resilient to weather extremes

    Balancing water supply and demand—while addressing current and future vulnerabilities to extreme conditions such as drought—is essential to safeguarding the wellbeing of our communities. Is your city at risk? Identifying where cities have problems and determining how much is at risk is the first step to becoming a strong, resilient city. In states like California, water shortage is ...


    By CH2M Hill Companies, Ltd.

  • Can EHS & Quality Live Happily Ever After?

    We do something quite unique at Intelex. We service both the safety and the quality needs of many organizations. As such I get a window into two critical, but often separate parts of an organization. I’m lucky to have had hundreds of conversations with our clients on the value and challenges of their safety and quality programs and in those discussions often hear some common themes. ...


    By Intelex Technologies Inc.

  • When OSHA Visits--Part 2

    Continuing Our Guide for New Plant Safety Managers On Monday, we took a closer look at the first few steps of an on-site OSHA visit, including the opening conference and records review. (Refresh your memory on that post ...


    By Antea Group - USA

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