According to the EPA Stage 2 Disinfectants and Disinfection Byproducts Rule, what is the Maximum Contaminant Level (MCL) for Total Trihalomethanes (TTHMs)?

• 0.100 mg/L
• 0.080 mg/L (80 ppb)
• 1.0 mg/L
• 0.060 mg/L (60 ppb)