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Gases

As seasonal temperatures climb, employers must consider their potential liabilities for not protecting employees against the hazard of heat. This hazard can involve employer legal duties under many laws, including: OSHA (Occupational Safety and Health Act), State...


Refrigerant Gases— an Industry in Transition

Increasing recognition and acknowledgment of the environmental impact associated with the use of refrigeration and air conditioning equipment has brought about changes in the composition of refrigerant gases and in the way they are being used. This heightened awareness on the...


Sav(O3)ring Summer

Thoughts of summer conjure images of beaches, ball parks, barbeques, and all the great foods that accompany these happy times. What most of us don’t think about, thankfully, is food borne illness, bacteria, and micro organisms lurking on watermelon, corn on...



Safety as a process looks at the entire issue of safety within a business operation. As explained in my last column (“Safety—a Process, Not a Program,” CryoGas, May 2012, p. 48), while a safety program encourages compliance with safety standards,...



Fish Thriving in a Stream of Oxygen

  Aquaculture, also known as aqua farming, is the discipline of commercially farming aquatic organisms such as fish, crustaceans, mollusks, and aquatic plants. Aquaculture involves cultivating freshwater and saltwater populations under controlled conditions—in contrast to commercial fishing, which is the harvesting of...


Hurdles for China’s Domestic PV Market

In 2011, a new feed-in tariff (FiT) scheme for solar projects was introduced by the NDRC (National Development and Reform Commission of the People’s Republic of China), a group that formulates and implements strategies of national economic and social development. A...



New Challenges in Photovoltaic Manufacturing

Manufacturers of photovoltaic (PV) devices are under constant pressure to improve the cost per watt in order to drive market growth and compete with other forms of energy. Reducing manufacturing costs has enabled significant market growth, but...


Change Is Good—The 2011 Carbon Dioxide Report

The carbon dioxide (CO2) industry is a complex one. Some companies within the industry both produce and distribute CO2, others buy crude and process it, while others are strictly distributors. The CO2 itself is delivered as crude, gas, liquid, and...


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