compliance monitoring at both the entry point and in the distribution system.Pennsylvania drinking water systems are expected to follow Method 334.0 if they use a handheld, benchtop or on-line chlorine analyzer for any of the following: In addition, the following spreadsheet can be used to calculate and document the analyst Initial Demonstration of Capability (IDC) for the grab sample method
Secondary Standard Verification Job Aid (PDF).Routine Verification Procedure Job Aid (PDF).The following are graphical instructions for the method procedures: Tutorial 8 – On-Line Analyzers – Initial Demonstration of Capability and Comparative Grab Analysis.Tutorial 7 – Secondary Standard Verifications for the Grab Method.Tutorial 6 – Routine Calibration Verifications for the Grab Method.Tutorial 5 – Initial Calibration Verification for the Grab Method.Tutorial 4 – Initial Demonstration of Capability (IDC) for the Grab Method.Tutorial 3 – Primary Standards and Dilutions.Tutorial 2 – QA/QC and Analytical Technique for Grab Chlorine Residual Analysis.Tutorial Video SeriesĭEP created a series of tutorial videos to guide public water systems through the various requirements of Method 334.0: Method 334.0 is intended for use by drinking water facilities for compliance with daily monitoring and analysis of residual chlorine (free or total) and serves as a quality control procedure used to ensure that results obtained for residual chlorine at drinking water systems are accurate and precise. Links to PDF/EXCEL documents, media presentations and external websites open automatically in new tab or window use CTRL-click to force links to internal PA and eLibrary webpages to do the sameĮPA Method 334.0 is a quality control protocol for chlorine residual monitoring, published by EPA in 2009.