Environmental Engineering Reference
In-Depth Information
9
Arsenic Removal Metrics That Commercialized
the Drink
ing Water Market
Lisa M. Farmen
Crystal Clear Technologies Inc., Portland, Oregon, USA
CONTENTS
9.1 Background ......................................................................................................................... 165
9.2 Conventional Arsenic Removal Technologies ............................................................... 167
9.2.1 SBIR Program ......................................................................................................... 168
9.2.2 NAE Grainger Challenge ...................................................................................... 168
9.2.3 Sandia National Laboratories (SNL) Arsenic Water Technology
Partnership
(http://www.sandia.gov/water/evaluation.htm) ......................... 169
9.2.4 Association of Water Treatment Professionals and Resource
Center- Determined Treatment Methods ........................................................... 170
9.2.5 US Environmental Protection Agency ................................................................ 172
9.2.5.1 Arsenic Treatment Technology Evaluation Handbook for Small
Systems
(http://water.epa.gov/drink/info/arsenic/upload/
2005_11_21_arsenic_handbook_arsenic treatment-tech.pdf) ........... 172
9.2.5.2 Arsenic Mitigation Checklist in the Arsenic Treatment Handbook ...172
9.3 Success Story ....................................................................................................................... 174
9.4 Metrics of Adsorptive Media Arsenic Removal Technologies .................................... 175
9.5 Arsenic in the Food Supply .............................................................................................. 176
9.6 Testing Protocols and Certiications for Arsenic Removal Technologies:
ANSI/NSF International Testing ..................................................................................... 177
9.7 Fate of Arsenic in Landills .............................................................................................. 177
9.8 Summary ............................................................................................................................. 178
References ..................................................................................................................................... 178
Water, an increasingly scarce commodity, is the world's number one environmental health
determinant and the specter of even having any water at all elevates it to the number one
global environmental health problem. No question that inding a clean source of drinking
water on earth is no small task, and it is not getting any easier.
9.1 Background
The Safe Drinking Water Act (SDWA) of 1974 mandated that the US Environmental
Protection Agency (EPA) identify and regulate drinking water contaminants that may
165
