Older's A.B. Patil Articles from Mar. 6th 1971 to Jan. 1st ...

Cyanide removal by combined adsorption and biodegradation process

Cyanide is present in environmental matrices and waste streams as simple and complex cyanides, cyanates and nitriles (Ebbs, 2004). Cyanide compounds are extensively used in industry and their effluents are the major source of these toxic pollutants in our environment (Desai and Ramakrishna, 1998). The release of cyanide from industries worldwide has been estimated to be more than 14 million kg/yr ...

Mar. 26, 2006

By University of Tehran

Particulate polycyclic aromatic hydrocarbons in urban air of Tehran

Epidemiological studies have shown correlations between the concentration of particles in the air and increase of daily rates of respiratory and cardiovascular diseases and mortality (Douglas et al.,1992; Jonathan et al.,1995; Auron et al.,1995). Elevated lung cancer rates among women in rural china have been attributed to emissions from their coal-fired stoves (Mumford et al.,1987;Alder and ...

Sep. 25, 2006

By University of Tehran

A costing model for offshore decommissioning in California

California's 27 offshore oil and gas platforms will reach the end of their useful lifetimes sometime in the near future and will require decommissioning. While existing leases require complete removal of all platforms and associated infrastructure, the underlying laws and regulations have changed in recent years to allow a number of alternative uses post decommissioning. In particular, A.B. ...

Apr. 25, 2015

By John Wiley & Sons, Ltd.

High Power Subnanosecond Generator For UWB Radar

Introduction Subnanosecond pulse generator is one of the most important elements of ultra-wideband (UWB) radar. Parameters of impulse generator influence to radar performance since it depends on radiation power and receiver sensitivity. There are some ways to get high performance factor of the UWB radar. It can be achieved as increasing of radiation power as multiply sampling data accumulation. ...

Nov. 1, 2002

By Transient Technologies LLC

SCPA delays could impact industry

In response to concerns expressed by diverse stakeholders over the final draft of its Safer Consumer Product Alternatives (SCPA) regulations, the California Environmental Protection Agency (CalEPA) has delayed implementation of the regulations, which focus on chemicals and chemical ingredients in consumer products. The net effect of this recent development on the regulation of chemical substances ...

Jan. 17, 2011

By Bergeson & Campbell, P.C.

Delayed implementation of safer consumer product alternatives regulations: implications for nanoscale materials

Background - In response to concerns vigorously expressed by diverse stakeholders over the final draft of the Safer Consumer Product Alternatives (SCPA) Regulations, the California Environmental Protection Agency (CalEPA) has effectively delayed implementation of the much-anticipated regulations. The net effect of this recent development on the regulation of nanoscale materials in consumer ...

Jan. 1, 2011

By Bergeson & Campbell, P.C.

2011 Predictions for EPA`s Office of Chemical Safety and Pollution Prevention

The Acta Group, L.L.C.'s (Acta) thoughts are below on what may be headed our way in 2011 from the U.S. Environmental Protection Agency's (EPA) Office of Chemical Safety and Pollution Prevention (OCSPP). In short, the general trends established by the Obama Administration during the past two years are expected to continue notwithstanding the 2010 election results. At the same time, the impact of ...

Jan. 7, 2011

By Acta Group