【正文】 ple Set 167。 (c) – Discussed in DBPP Section (167。 Reporting and Recordkeeping – DBP ? TTHM and HAA5 – Monitoring Quarterly or More Frequently: ? Number of Samples Last Quarter ? Location, Date, and Result ? Arithmetic Average of Quarter’s Samples ? Annual Arithmetic Average of Quarterly Averages ? Whether the MCL Was Exceeded 167。 Reporting and Recordkeeping – DBP ? Bromate – Number of Samples in Quarter – Location, Date, and Result – Average of Monthly Averages Over the Past Year – Whether the MCL Was Exceeded 167。 167。 or – Get Waiver From State 167。 Or, ? Clear and Irrevocable Financial Commitment to Technologies That Limit TTHM/HAA5 to ? 50 Percent of MCL ? Technologies Operational Within 6 1/2 Years – 6. TTHM/HAA5 ? 50 Percent of MCLs and Using Only Chlorine 167。 Treatment Technique For DBPP ? Step 2: Target pH Alkalinity (mg/L) Target pH 060 60120 120240 240 167。 Treatment Technique For DBPP ? Step 2: Target pH Alkalinity (mg/L) Target pH 060 60120 120240 240 Case Study 1 Results of pH Titration (alkalinity 120 240) Alu m Do se(m g / L )Resu l tin g p H0 10 20 30 40 50 60 70 80 90 100 (t arge t pH o f 7 .0)tCase Study 1 Jar Test Results This utility39。 (b) – Alternative Compliance Criteria – Additional Alternative Compliance Criteria for Softening – Step 1 TOC Reductions – Step 2 TOC Reductions ? Early Monitoring Remended 167。 Reporting and Recordkeeping – DBPP ? A System Required to Meet Minimum TOC Removals – Number of Paired Samples Taken During Last Quarter – Location, Date, and Result of Each ? Paired Sample ? Alkalinity – Each Month’s ? Average Percent TOC Removal ? Required TOC Percent Removal – Compliance Calculations – Whether System Is in Compliance 167。 Reporting and Recordkeeping – DBPP ? Systems Monitoring for DBPP Monthly or Quarterly and Meeting Alternative Compliance Criteria – Criterion Used – Number of Paired Samples in Last Quarter – Location, Date, and Result of Each ? Paired Sample ? Alkalinity – For Those Systems Using Only Chlorine and Whose TTHM and HAA5 Levels Are No More Than 50 Percent of the MCLs ? The TTHM and HAA5 Running Annual Averages – Whether the System Is in Compliance 167。 Stage 1 DBPR 167。 (h) ? (2) How the State Will Qualify Operators Subject to the Provisions of Subpart L ? Satisfied By: – A Description of the State’s Program for Determining the Minimum Qualifications Necessary for Operators of Systems Subject to Subpart L ? Options Include: – Procedures Established Under the SWTR – State Operator Certification Program Meeting EPA Guidelines – Others Stage 1 DBPR 167。 (h) ? Multiple Wells—Suggestions – Well Construction and Geology ? Locations ? Depths ? Well Log Information (Strata, Water Producing Zones, Screened Intervals, Grouting, Etc.。 (h) ? (4) How the State Will Approve Parties to Conduct pH, Bromide, Alkalinity, and Residual Disinfectant Concentration Measurements ? Satisfied By: – The State’s Process for Similar Approvals Under the SWTR or – A Description of the Process That Demonstrates It Ensures the Measurements Are Reliable and Accurate – Should Include: ? Training Requirements ? Laboratory Facilities (If and When Necessary) ? Certification As Qualified Operator ? Under Supervision of a Qualified Operator Stage 1 DBPR 167。 Special Primacy Requirements ? (h) A Description of How the State Will Acplish the Following Program Requirements... – (1) Interim Treatment – (2) Qualification of Operators – (3) DPD Test Kit Approval – (4) Approval of Parties – (5) Multiple Wells/Single Aquifer – (6) Step 2 TOC Removal Requirements Stage 1 DBPR 167。 Reporting and Recordkeeping – DBPP ? Softening Systems Monitoring for DBPP Monthly or Quarterly and Meeting Alternative Compliance Criterion – Criterion Used – Number of Paired Samples of Last Quarter – Location, Date, and Result of Each ? Paired Sample ? Alkalinity – For Softening Systems Removing at Least 10 mg/L Mg Hardness ? The Running Annual Average of Mg Hardness Removal – Whether the System Is in Compliance Code of Federal Regulations Title 40 Part 142—NPDWR Implementation Subpart B—Primary Enforcement Responsibility ? 167。 Reporting and Recordkeeping – DBPP ? Systems Monitoring for DBPP Monthly or Quarterly and Meeting Alternative Compliance Criteria – Criterion Used – Number of Paired Samples in Last Quarter – Location, Date, and Result of Each ? Paired Sample ? Alkalinity – For Those Meeting SUVA Criteria the Running Annual Average Of: ? Source Water SUVA or ? Treated Water SUVA – Whether the System Is in Compliance 167。 Compliance – DBP Precursors ? Compliance Calculations Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. A Treated TOC (mg/L) B Source TOC (mg/L) C % removed (1A/B) x 100 44 34 29 D Source Water Alkalinity (mg/L) 70 75 85 E Required TOC Removal (%) 40 35 35 F C/E If average is ? , the PWS is in pliance ? (F) = 167。 Compliance For DBPP 167。 Treatment Technique For DBPP ? Procedure for Step 2 Bench Scale Testing – Apparatus and Reagents ? Jar Test Apparatus ? pH Meter ? Stock Solution of Coagulant ? Stock Solution of Base ? Sample Bottles (Alkalinity and pH) ? Sample Bottles (TOC) ? Pipettes and Glassware Coagulant Dosage Equivalents Reagent Grade Alum (Aluminum Sulfate)