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Regulation of Disinfection By-Products

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.

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Regulation of Disinfection By-Products

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  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

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