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Take-Away Message

Take-Away Message. AK will primarily rely on Triggered Monitoring. No significant change in sampling from current TCR .

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Take-Away Message

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  1. Take-Away Message • AK will primarily rely on Triggered Monitoring. • No significant change in sampling from current TCR . • If a system has a hot bacti, it will be required to take 1 repeat sample from the source. If that is E. coli +, it will need to take 5 additional repeats from the source. • Assessment Source Monitoring • AK will use this risk-based option when it is appropriate. • Sanitary Surveys • Changes frequency for CWS to every 3 years (every 5 years for outstanding performers). • Corrective Actions Options • Correct all significant deficiencies. • Provide alternative source of water. • Eliminate source of contamination. • Provide treatment that reliably achieves at least 4-log treatment of viruses.

  2. Resources • Ground Water Rule Sample Collection and Transport: A Quick Reference Guide http://www.epa.gov/safewater/disinfection/gwr/pdfs/grg_gwr_samplecollection-transporation.pdf • Ground Water Rule – Ground Water Rule Compliance Monitoring: A Quick Reference Guide http://www.epa.gov/safewater/disinfection/gwr/pdfs/grg_gwr_compliancemonitoring.pdf • Ground Water Rule - Quick Reference Guide http://www.epa.gov/safewater/disinfection/gwr/pdfs/grg_gwr.pdf • Ground Water Rule – Triggered and Representative Monitoring Quick Reference Guide http://www.epa.gov/safewater/disinfection/gwr/pdfs/grg_gwr_triggeredandrepresentativemonitoring.pdf

  3. Resources (cont’d) • Ground Water Rule Corrective Action Guidance Manual http://www.epa.gov/safewater/disinfection/gwr/pdfs/guide_gwr_correctiveaction.pdf • Ground Water Rule – General Rule Fact Sheet http://www.epa.gov/safewater/disinfection/gwr/pdfs/fs_gwr_grg_generalrule.pdf • Ground Water Rule - Sanitary Survey Fact Sheet http://www.epa.gov/safewater/disinfection/gwr/pdfs/fs_gwr_grg_sanitarysurvey.pdf • Ground Water Rule Source Water Monitoring Guidance Manual http://www.epa.gov/safewater/disinfection/gwr/pdfs/guide_gwr_sourcewatermonitoring.pdf Additional information is on the EPA Ground Water Rule Compliance Help web page: http://www.epa.gov/safewater/disinfection/gwr/compliancehelp.html

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