Health Effects Associated With Recreational Coastal Water Use: Urban Versus Rural California
Ryan H. Dwight, PhD,
Dean B. Baker, MD, MPH,
Jan C. Semenza, PhD, MPH and
Betty H. Olson, PhD
Ryan H. Dwight and Betty H. Olson are with the Environmental Health Science and Policy Program, Department of Environmental Health, Science, and Policy, University of California, Irvine. Dean B. Baker is with the Department of Medicine and Center for Occupational and Environmental Health, University of California, Irvine. Jan C. Semenza is with the School of Community Health, Portland State University, Portland, Ore.

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FIGURE 1— Mean monthly total coliform counts (per 100 mL) during 1998 El Niño and 1999 La Niña winters: North Orange County and Santz Cruz County coastal waters (data provided by Orange County Health Care Agency and Santa Cruz Health Agency).
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Copyright © 2004 by the American Public Health Association