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. 2017 Dec 25;15(1):27. doi: 10.3390/ijerph15010027

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Locations of sampling sites (stars) and notable stationary industrial sources (circles) in Jeddah; 1 = Al-Muhammadiyah; 2 = Al-Rehab; 3 = Al-Rughama; 4 = University Campus; 5 = Al-Nuzlah Al Yamaneyyah; 6 = Pitrumin; 7 = Al-Alfiyyah.