Ian L. Pepper

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Ian L. Pepper is a professor and director of the National Science Foundation Water and Environmental Technology Center at the University of Arizona in Tucson, a Industry/University Cooperative Research Center (I/UCRC). One of his three "major research interests," according to his UofA profile, is the "land application of biosolids" -- meaning the spreading of sewage sludge on soil.[1] He is a proponent of the use of sewage sludge on food-growing soil. He told NPR in 2013 that the risks of doing so "are much lower than those suggested by environmental activists."[2]

Contact Information

Ian L. Pepper
Professor and Director
Environmental Research Laboratory
2601 E. Airport Drive
Tucson, AZ 85756
Phone: (520) 626-3328
Fax: (520) 573-0852
Email: ipepper AT ag DOT arizona DOT edu

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  1. University of Arizona College of Agriculture and Life Sciences, Ian L. Pepper, public university academic profile, accessed May 2013.
  2. Eliza Barclay, Is It Safe To Use Compost Made From Treated Human Waste?, NPR "The Salt" blog, May 12, 2013.
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