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Archives :: Environmental, Health & Safety :: Plant & Personnel Safety :: Hazardous Substances

Displaying 1 - 19 of 19 stories.
November 1, 2011
Fight formaldehyde litigation
(From November 2011, Letters) Perhaps enough has been written about the questionable science underlying recent U.S. government pronouncements concerning formaldehyde and human cancer of the lymphohematopoietic system (“LHPs—including the leukemias and the lymphomas)*. Now, suppliers of formaldehyde-containing product must face the uncertainties and high expense of defending questionable and...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Fight-formaldehyde-litigation_8600.html
March 28, 2011
Incinerate hazardous waste and comply with emission regulations
This firm develops and builds incinerators, based on the natural draft principle, for incinerating hospital, slaughterhouse and other hazardous wastes...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Incinerate-hazardous-waste-and-comply-with-emission-regulations_6980.html
March 28, 2011
A safe way to transfer hazardous powders
The new, improved "sterile as standard" ChargeBag (photo) for contained transfer of potent powders ensures maximum product recovery, quality and operator protection. High containment...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/A-safe-way-to-transfer-hazardous-powders_6982.html
March 28, 2011
A station for filling and transferring drum contents
The Flow Line Safety cabinets for the active storage of hazardous substances are in accordance with TRbF 20 Annex L, TRbF 30 and BGR 120. The concept of the filling and transfer stations enables users to link their daily work with modern, economic handling of...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/A-station-for-filling-and-transferring-drum-contents_7081.html
September 1, 2010
Toxicity under the microscope
Last month, two significant cracks were found in the cornerstones of conventional thinking about how chemicals in the environment make their way into the human body and other living organisms, possibly leading to damaging effects. The timing is particularly apropos, as the first registration deadline of November 30 approaches for the EU’s regulation on Registration, Evaluation, Authorization and...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Toxicity-under-the-microscope_5949.html
May 1, 2010
Wireless Communication in Hazardous Areas
Wireless communications have great potential in the chemical process industries (CPI) because they do away with complex and costly cable installations and enable completely new applications. And while a recent wave of successful demonstrations has begun to emerge in the CPI (for more, see CE, Nov. 2009, p. 17–23), a number of hurdles stand in the way of a completely wireless Utopia. In most cases...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Wireless-Communication-in-Hazardous-Areas_5639.html
September 1, 2009
Consultant Stanley Grossel reviews Guidelines for Chemical Transportation Safety, Security and Risk Management, 2nd Ed.
Guidelines for Chemical Transportation Safety, Security, and Risk Management, 2nd Edition. By the Center for Chemical Process Safety/AIChE. John Wiley & Sons, Inc. 111 River St., Hoboken, NJ 07030. Web: wiley.com. 2008. 166 pages. $125.00 Reviewed by: Stanley S. Grossel, Process Safety & Design Consultant, Clifton, N.J. Hazardous chemical transport poses significant public health and environmental...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Consultant-Stanley-Grossel-reviews-Guidelines-for-Chemical-Transportation-Safety-Security-and-Risk-Management-2nd-Ed-_5010.html
May 15, 2008
Facts at Your Fingertips: Acid Storage
Most common acids can be stored in horizontal or vertical ASME-type tanks, as shown in the figures to the right, or vertical API-type tanks. Horizontal, carbon-steel ASME-type tanks of 10,000 — 40,000 gal capacity should have a plate thickness of 3/8 in. with dished heads of the same thickness. The thickness includes a corrosion allowance of 1/4 in., which provides a tank life of 15 — 20 years...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Facts-at-Your-Fingertips-Acid-Storage_3864.html
March 15, 2008
Newsfront: Forum Makes a Big Deal about Nanotech
On January 31, 2008, law firm Chadbourne & Parke LLP held its "Nanotechnology, Law & Commerce" forum exploring "Business at One-Billionth of a Meter." A total of 18 invited speakers explored a variety of topics including the current state of nanotech R&D; public policy, politics and legal issues; the financing and underwriting of nanotech; and "nanoethics." George...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Newsfront-Forum-Makes-a-Big-Deal-about-Nanotech_3718.html
February 15, 2008
Feature Report: Pump Hazardous Liquids Safely
Reduce the problems associated with handling hazardous liquids by following these guidelines Pumps are one of the most ubiquitous items of equipment found in chemical processing plants. Often, they are used to transfer hazardous liquids, such as flammable, combustible, toxic and corrosive chemicals. In order to ensure safety during pumping, certain design and operating practices should be followed. This...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Feature-Report-Pump-Hazardous-Liquids-Safely_3667.html
November 15, 2007
Managing Material Safety Data Sheets in the Workplace
To ensure the health and safety of workers, the U.S. Occupational Safety and Health Administration (OSHA) adopted the Hazard Communication Standard (HCS) in 1983. Initially designed to protect workers in the manufacturing sector, the HCS was expanded in 1987 to cover all industries where workers could be exposed to hazardous chemicals. This article gives an overview of the OSHA requirements for material...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Managing-Material-Safety-Data-Sheets-in-the-Workplace_3499.html
July 1, 2007
Causes and Prevention of Packing Fires
    Most columns shut down without fires. Yet most refineries and chemical plants at some time or another have experienced spontaneous or hot work ignitions in at least one column. When this occurs inside a column during or after shutdown, the results can be devastating and dangerous. This paper concentrates on the fires related to packing in columns.   Many refineries and chemical plants...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Causes-and-Prevention-of-Packing-Fires_3124.html
June 1, 2007
Small but mighty
    Although sealing technologies rarely make the headline, when they do, its usually for a tragic reason, which demonstrates how important this small component really is. For example, on January 28, 1986, the Space Shuttle Challenger disintegrated 73 seconds into its flight, after an O-ring seal in its right solid rocket booster (SRB) failed. The seal failure caused a flame leak from the SRB...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Small-but-mighty_3327.html
January 1, 2007
Design Safer Solids Processing Plants
    Chemicals, plastics, pharmaceutical, food, agricultural chemicals, coal and bio-chemical industries have a wide array of processes where the raw materials, intermediates and products are in particulate form. Hazards associated with particulate solids are unique, and in most cases depend on the particle size. The purpose of this paper is to present a systematic framework for designing...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Design-Safer-Solids-Processing-Plants_3118.html
April 1, 2006
Understanding Atmospheric Storage Tanks
    Liquids are accumulated and stored in tanks of various shapes and sizes throughout the chemical process industries (CPI). A small number of companies have made the design, fabrication and erection of these vessels their specialty. Initially, however, it is the process engineer who sizes and specifies tanks according to a specific application’s needs. In order to develop a data sheet for...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Understanding-Atmospheric-Storage-Tanks_2791.html
April 1, 2006
How to Handle Hydrogen In Process Plants
    Hydrogen is widely employed for hydrogenation and other purposes in chemicals manufacture, petroleum refining and other chemical process industries (Hydrogen: The Real Action Is Today, CE, February, pp. 28ff), and it holds promise as a fuel. However, this gas is highly explosive, prone to leakage and permeation, and difficult to detect, so special care must be taken during process engineering...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/How-to-Handle-Hydrogen-In-Process-Plants_2815.html
March 1, 2006
Chementator: A dosimeter monitors long-term exposure to phosgene
Phosgene is widely used for making fine chemicals, pharmaceutical intermediates, and polymers such as isocyanates, polyurethanes and polycarbonates. But phosgene is highly toxic, and although gas detectors are required to monitor for dangerous leaks, they cannot determine if workers have been exposed to low (below-threshold) concentrations over long periods of time, says...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Chementator-A-dosimeter-monitors-long-term-exposure-to-phosgene_2856.html
March 1, 2006
Chementator: A ‘litmus’ test for heavy metals
Toshishige M. Suzuki and his colleagues at the Tohoku Center of National Institute of Advanced Industrial Science & Technology (AIST; Sendai, Japan; edlinks.che.com/5827-538) has developed a new analytical test strip that can quickly detect parts-per-billion (ppb) concentrations of heavy metal ions in water. Up to now, existing test strips for metal ions have not been sensitive enough to detect ppb...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Chementator-A-litmus-test-for-heavy-metals_2912.html
March 1, 2006
Chementator: Selective flotation
The presence of arsenic minerals, such as enargite and tennantite, in some copper-bearing ore bodies, can be a problem for those wishing to recover the copper. When delivering copper concentrates to smelters in Australia, for example, miners are subjected to substantial penalties if...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Chementator-Selective-flotation_2914.html

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