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Development of custom calibration factors for respirable silica using standard methods compared to photometric monitoring data
Publication date: Available online 5 August 2017 Source:Journal of Chemical Health and Safety Author(s): Leon F. Pahler, Danielle D. McKenzie-Smith, Rodney G. Handy, Darrah K. Sleeth The goal of this study was to investigate the relationship between particulate matter (PM) concentrations recorded by real-time monitors and respirable crystalline silica, in the form of quartz, (RCS) concentrations measured by the standard NIOSH 7500 method using an aluminum cyclone attached to a filter-cassette. Development of correction factors for real-time monitoring instruments would provide instant estimates of RCS concentrations ...
Source: Journal of Chemical Health and Safety - August 6, 2017 Category: Chemistry Source Type: research

A case history of legacy chemical cleanup in the lab
This article describes an effort in identifying and disposing of unneeded legacy chemicals. Time requirements and lessons learned are discussed. (Source: Journal of Chemical Health and Safety)
Source: Journal of Chemical Health and Safety - July 13, 2017 Category: Chemistry Source Type: research

A new language
Publication date: Available online 7 July 2017 Source:Journal of Chemical Health and Safety Author(s): Harry J. Elston (Source: Journal of Chemical Health and Safety)
Source: Journal of Chemical Health and Safety - July 8, 2017 Category: Chemistry Source Type: research

Response letter from CEPA to “Safety and Ethics in ACS and Major Scientific and Engineering Societies: A Gap Analysis”
Publication date: Available online 7 July 2017 Source:Journal of Chemical Health and Safety Author(s): The ACS Committee on Economic and Professional Affairs (Source: Journal of Chemical Health and Safety)
Source: Journal of Chemical Health and Safety - July 8, 2017 Category: Chemistry Source Type: research

Photocatalytic degradation of phenol solution using Zinc Oxide/UV
Publication date: Available online 5 July 2017 Source:Journal of Chemical Health and Safety Author(s): H. Dewidar, S.A. Nosier, A.H. El-Shazly The research on wastewater organic pollutant degradation has received substantial attention in the past few years. In this work, the effective use of ZnO nanoparticles as a photocatalyst in the photo-degradation process was studied in order to degrade phenol solutions. The photocatalytic oxidation of phenol solution occurred by using ZnO particles/254nm UV system in a slurry type reactor sparged by air. The effect of various process parameters such as initial concentration of p...
Source: Journal of Chemical Health and Safety - July 6, 2017 Category: Chemistry Source Type: research

A methodology on how to create a real-life relevant risk profile for a given nanomaterial
Publication date: Available online 5 July 2017 Source:Journal of Chemical Health and Safety Author(s): Christa Schimpel, Susanne Resch, Guillaume Flament, David Carlander, Celina Vaquero, Izaskun Bustero, Andreas Falk With large amounts of nanotoxicology studies delivering contradicting results and a complex, moving regulatory framework, potential risks surrounding nanotechnology appear complex and confusing. Many researchers and workers in different sectors are dealing with nanomaterials on a day-to-day basis, and have a requirement to define their assessment/management needs. This paper describes an industry-tai...
Source: Journal of Chemical Health and Safety - July 6, 2017 Category: Chemistry Source Type: research

A comparison study between passive and active workplace personal air monitoring techniques for airborne isopropyl alcohol concentrations
Publication date: Available online 25 May 2017 Source:Journal of Chemical Health and Safety Author(s): Austin K. Simons, Rodney G. Handy, Darrah K. Sleeth, Leon F. Pahler, Matthew S. Thiese This research project involved a comparison between the performance of active and passive sampling methods used to collect isopropyl alcohol vapor in an industrial setting. This field experiment was conducted in a real-world industry setting with workers exposed to isopropyl alcohol. In order to create sample sets, passive diffusive samplers (3M 3520 Organic Vapor Monitor) were paired, side-by-side, with active samplers (charcoal...
Source: Journal of Chemical Health and Safety - May 26, 2017 Category: Chemistry Source Type: research

Safety and ethics in ACS and major scientific and engineering societies: A gap analysis
Publication date: Available online 13 May 2017 Source:Journal of Chemical Health and Safety Author(s): Daniel R. Kuespert The American Chemical Society (ACS) Chemical Professional’s Code of Conduct treats safety in a constrained fashion, denying it the emphasis it enjoys in other major science & engineering societies. This paper compares and contrasts the ACS document with representative codes of ethics from several sources, demonstrating that the non-ACS documents rest on a firmly-stated ethical basis and meet other criteria for communicating the primary position of safety. Changes are proposed to the ACS Cod...
Source: Journal of Chemical Health and Safety - May 14, 2017 Category: Chemistry Source Type: research

Whither CSB?
Publication date: Available online 11 May 2017 Source:Journal of Chemical Health and Safety Author(s): Harry J. Elston (Source: Journal of Chemical Health and Safety)
Source: Journal of Chemical Health and Safety - May 12, 2017 Category: Chemistry Source Type: research

UN-GHS — Physical hazard classifications of chemicals: A critical review of combinations of hazard classes
Publication date: Available online 6 April 2017 Source:Journal of Chemical Health and Safety Author(s): Cordula Wilrich, Elisabeth Brandes, Heike Michael-Schulz, Volkmar Schröder, Silke Schwarz, Klaus-Dieter Wehrstedt One of the fundamental principles of the UN-GHS (Globally Harmonized System of Classification and Labelling of Chemicals) is that all hazards of a chemical should be assigned and communicated. There is no general prioritization of hazards in the sense that certain hazard classes are not applicable if another one has been assigned. In contrast to health and environmental hazards, there are physical or...
Source: Journal of Chemical Health and Safety - April 29, 2017 Category: Chemistry Source Type: research

UN-GHS —Physical hazard classifications of chemicals: A critical review of combinations of hazard classes
Publication date: Available online 6 April 2017 Source:Journal of Chemical Health and Safety Author(s): Cordula Wilrich, Elisabeth Brandes, Heike Michael-Schulz, Volkmar Schröder, Silke Schwarz, Klaus-Dieter Wehrstedt One of the fundamental principles of the UN-GHS (Globally Harmonized System of Classification and Labelling of Chemicals) is that all hazards of a chemical should be assigned and communicated. There is no general prioritization of hazards in the sense that certain hazard classes are not applicable if another one has been assigned. In contrast to health and environmental hazards, there are physical or...
Source: Journal of Chemical Health and Safety - April 10, 2017 Category: Chemistry Source Type: research

Safety and health risk perceptions: A cross-sectional study of New Jersey hair and nail salon clients
Conclusions Results establish an improved understanding of salon S&H client knowledge. The study suggested clients who utilized hair and nail salons more frequently had increased occurrence of dermal and fungal symptoms. More studies are needed to confirm and expand our findings, to inform trainings and interventions to improve client risk perception. (Source: Journal of Chemical Health and Safety)
Source: Journal of Chemical Health and Safety - April 10, 2017 Category: Chemistry Source Type: research

A comparison of occupational exposure limits and their relationship to reactive oxide species
Publication date: Available online 7 April 2017 Source:Journal of Chemical Health and Safety Author(s): Tracy Zontek, Burton R. Ogle, Scott Hollenbeck, John T. Jankovic A heuristic approach to estimating toxicity and controlling exposure to emerging materials has been developed based on the amount of luminol reactive species present. Relative light units (measured with luminometer) per mg of material measured in a bulk sample are used as the measure of reactive oxide species and subsequent oxidative stress potential. Reactive oxide species are determined per unit of mass for a series of pneumoconiosis producing mater...
Source: Journal of Chemical Health and Safety - April 10, 2017 Category: Chemistry Source Type: research

A software for managing after-hours activities in research user facilities
We present an after-hours activity management program for shared facilities, which handles the processes required for after-hours access (request, approval, extension, etc.). It implements the concept of permitted after-hours activities, which consists of a list of well-defined activities that each user can perform after-hours. The program provides an easy and unambiguous way for users to know which activities they are allowed to perform after-hours. In addition, the program can enhance its safety efficacy by interacting with lab and instrument access control systems commonly present in user facilities. (Source: Journal of...
Source: Journal of Chemical Health and Safety - April 10, 2017 Category: Chemistry Source Type: research

Addressing as low as reasonably achievable (ALARA) issues: Investigation of worker collective external and extremity dose data
Publication date: Available online 17 March 2017 Source:Journal of Chemical Health and Safety Author(s): Michael E. Cournoyer, Stephen A. Costigan, Stephen B. Schreiber Plutonium emits both neutrons and photons and when it is stored or handled inside a glovebox, both photons and neutrons are significant external radiation hazards. Doses to the extremities are usually dominated by gamma radiation in typical plutonium glovebox operations. Excess external dose can generates stochastic effects consisting of cancer and benign tumors in some organs. Direct doses from radiation sources external to the body are measured by th...
Source: Journal of Chemical Health and Safety - March 17, 2017 Category: Chemistry Source Type: research