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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00821
PWS Name:	SILETZ, CITY OF

Who Was Contacted and Phone:	Allen Middaugh (541) 444-2521
Contact Date:	12/31/2007
Contacted By:	POTTS, JOHN (DWP)
Contact Method/Location:	Field

Assistance Type:	CIRCUIT RIDER ASSISTANCE
Reasons:	N/A N/A

Details:	SUMMARY: Stage 2 DBPR/LT2 Assistance DETAILS: System requested HBH assistance for preparation of the Standard Monitoring Plan (SMP) for compliance with Stage 2 DBPR, The SMP is due 4-1-08. I met with Allen on 12/19 and briefly reviewed previous DPB results, chlorine residuals records, distribution map and current sampling sites. The SMP requires identification for new DBP sample sites based on a combination of records, piping layouts, previous results ad calculations. The new sites must then be justified in writing and submitted to the USEPA in the SMP. I created a working distribution map, carefully reviewed chlorine results, Stage 1 DBP results, and collection locations and calculated average residence time and average chlorine residual results. I contacted Wendy Marshall, EPA R10 for assistance and clarification. I also reviewed LT2 requirements and sampling plan criteria. ACTION NEEDED: Complete final report. Meet with Allen again to review and verify sites. I will complete and LT2 sampling plan after the Stage 2 DBP SMP is completed.