Evaluation Checklists

The Lab Certification program has developed an initial set of five checklists covering the following typical wastewater parameters: biochemical oxygen demand (BOD), ammonia (ISE method), phosphorus (ascorbic acid method) and total suspended solids (TSS).

One checklist was developed for each of those parameters, with an additional "Quality Control and Records Requirement Checklist" which covers QC and records for all four parameters. The primary reason for starting with these 4 initially is that they are the most common parameters tested by the labs we register. They are also less complicated parameters than some, so made a good starting point.

The main focus of these checklists is to cover procedures or requirements that are specifically mandated by code or method. They do not cover good lab practices and may not cover every single requirement. It remains the lab's responsibility to ensure that all proper procedures are followed. However, labs may find that the checklists are a good self-auditing tool to make sure there aren't any major requirements being overlooked. Your auditor will review these requirements at an evaluation, but they will also go beyond these lists to provide required changes and procedural recommendations that should improve your lab results.

If you prefer a paper copy you can call the Lab Certification Program and copies will be sent to you. If you have questions or comments about the checklists please contact Camille Johnson at 715-831-3272 or via e-mail .

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