Remedial Practices for Cryptosporidium
Cryptosporidium, highly resistant to chlorine, is responsible for more than half of the gastrointestinal recreational water illness (RWI) outbreaks in treated swimming pools. Read more about the six-step hyperchlorination procedures developed by the U.S. Centers for Disease Control and Prevention to treat pools after diarrheal fecal accidents.

Testing High Chlorine Concentrations
Breakpoint and shock are two of the special circumstances that warrant higher-than-normal concentrations of chlorine and bromine in order to eliminate chloramines and algae. Read more about the three test methods to test higher chlorine concentrations.

Understanding pH
The pH of water is probably the most important factor in whether water is in balance or not. It also affects the sanitation ability of chlorine. Unfortunately, pH is the most volatile and most easily affected component in water compared to other parameters. Understanding how other variables and factors affect pH can help in keeping pH under control. Read more.

New Federal Law Sets New Mandates for Public Pools and Spas, Manufacturers of Suction Outlet Covers; Compliance Required by December 19, 2008
This issue includes a summary of the important new national requirements for public pools and spas under the federal Virginia Graeme Baker Pool and Spa Safety Act, which becomes effective December 19, 2008. Read more about what environmental health officials should know about the Act and what is needed for compliance.

APSP Presents Technical Program at NEHA Conference
Members of the Recreational Water Quality Committee (RWQ) presented three educational programs June 24 during the 2008 Annual Conference and Exposition of the National Environmental Health Association (NEHA) in Tucson, AZ. Read more.

Recreational Water Quality is written by industry experts for public health officials and published digitally four times annually by The Association of Pool & Spa Professionals (APSP). Each issue of Recreational Water Quality is available for general viewing on the APSP website: http://apsp.org/156/index.aspx.

RWQ invites public health officials to send suggestions for technical articles and questions about public health problems associated with public pools and spas and water quality issues. PHOs are also invited to submit short articles (circa 1000 words) for possible publication; the article should focus on problems solved to help others with similar problems. Send inquiries and articles to: jsmith@APSP.org 

Dr. Roy Vore, DuPont Chemical Solutions Enterprise, Chair, Editorial Board
Geoffrey Brown, Bio Lab, Inc. a Chemtura company, Chair, RWQ Committee
Al Pastore, N. Jonas & Co., Inc.
Dr. Stan Pickens, PPG Industries, Inc.
Tom Seechuk, LaMotte Company
Jeanette Smith, APSP

© 2008 by The Association of Pool & Spa Professionals. www.APSP.org
All rights reserved. No part of this publication may be reproduced or transmitted without written permission.