Below you will find sites on the web that we have found to be useful or interesting. These links will carry you to sites containing much interesting and informative data as well as to the EPA's online databases of various test methods.

Various sites of interest:

• National Environmental Methods Index
• National Water Information System (NWISWeb)
• NIST Chemistry WebBook Search
• Chemical Ingredient Search
• Environmental Protection Magazine
• The Official US Time Clock
• WEB-PHREEQ: Aqueous Geochemical Modeling

Important EPA sites:

• Index to EPA Test Methods
• EPA Office of Water Methods
• EPA Office of Solid Waste SW-846 Online Test Methods
• EPA Envirofacts Master Chemical Integrator (EMCI) Search
• IRIS (Integrated Risk Information System)
• EPA Chemical Registry System
• EPA Check Up Program for Small Systems (CUPSS)
• EPA website for Small Public Water Systems
• PNiWriter User-friendly format for creating public notices that meet all federal requirements.
• CCRiWriter Helpes users generate Consumer Confidence reports public water systems annually provide to customers to inform them about their drinking water.