1. Regulation of Disinfection By-Products
EARLY HISTORY OF DBP REGULATION (Table 7-1)
Three things to consider:
Ensure microbiological safety
Safe drinking water is not necessarily risk-free
Consider the ability of well-designed and operated water systems to meet the standard

2. REGULATION OF TRIHALOMETHANES (THMs)
1979 MCL for TTHM: 0.10 mg/L – balancing of public health considerations and the feasibility of public water systems achieving the MCL

3. REGULATION OF DBPs UNDER THE 1986 SDWA AMENDMENTS
1989 Straw man
Regulatory Negotiation

4. REGULATION OF DBPs UNDER THE 1996 SDWA AMENDMENTS
The Final Stage 1 D/DBP Rule: Dec. 16, 1998

5. MICROBIALS/DISINFECTION BY-PRODUCTS CLUSTER REGULATORY SCHEDULE AND FUTURE RULES