Kevin Ryan GWRMP Coordinator USEPA Region 9 (415) 972‐3806 ryan.kevin@epa.gov

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Section 8 – EPA’s Review - Continued Some Key Issues • Final Rule language changed from Proposed Rule: Proposed Rule stated the representative well must be one of the higher annual volume producing and consistently active wells; Final Rule stated “h “the proposed well must be representative of the highest annual volume producing and most consistently active wells in the representative array…” • Exception to the Rule: if that representative well is not in service at sampling time, select and sample an alternative representative well • Importance of selecting a consistently active well, is to minimize the chance that it will be out of service come sampling time • Previously approved UCMR2 <strong>GWRMP</strong>s don’t have to contain the highest producing and most active well –they just have to be representative of them (see why I call the review a Section 8?) 18
Section 8 – EPA’s Review - Continued Key Issues • Previously approved UCMR2 <strong>GWRMP</strong>s have their sampling location information i pre‐loaded d into SDWARS and PWSs must review and confirm or update this data by October 1, 2012 (note: this date the UCMR3 database becomes locked) 19
Page 1 and 2: Kevin Ryan GWRMP Coordinator USEPA
Page 3 and 4: On 3/27/12 EPA Proposed Limits on G
Page 5 and 6: GWRMP - Why do one? How do I do it,
Page 7: How - Components of a GWRMP • One
Page 10 and 11: Section 1 - Site Map • Location o
Page 12 and 13: Section 2 - Contamination Susceptib
Page 14 and 15: Section 3 - Similarities of GW Qual
Page 16 and 17: Section 8? - EPA’s Review (3) (i)
Page 20 and 21: Section 8 - EPA’s Review - Contin
Page 22: Section 8 - EPA’s Review - Contin

Kevin Ryan GWRMP Coordinator USEPA Region 9 (415) 972‐3806 ryan.kevin@epa.gov

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