U.S. EPA and States Not Always in Sync on Chlorine, Bromine Limits
In this issue we bring you an explanation of how and why the U.S. Environmental Protection Agency sets federal limits for sanitizer use in pools and spas and explore why these limits challenge local and state health officials and public pool operators. Read more.

How to Solve the Problem of False Positive Test Results for Chloramines when Using Non-chlorine Shocks
Potassium Monopersulfate (MPS) is useful in the management of chloramines in pools and spas. By using a reagent, operators and inspectors can accurately test for free and combined chlorine residuals when using MPS to oxidize the water. Read more.

Chemically-Induced Rashes
A review of rashes in treated water venues and best practices to avoid them. The key steps are vigilance in maintaining the sanitizer residual, pH, and alkalinity, and for spas, regular water replacement. Read more.

First Round of ANSI Balloting Completed for New National Water Quality Standard
ANSI voters returned ballots in December for this important new national standard. Voter comments will be reviewed in March. Read more.

APSP’s Water Chemistry Experts Scheduled to Speak at NEHA Conference
APSP’s Recreational Water Quality Committee will present a program for the fourth consecutive year at this year’s NEHA Conference, the top national conference for environmental health professionals. 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 (PHOs) 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.