Subchapter VII - Quality Systems
- Section NR 149.35 - General requirements
- Section NR 149.36 - Laboratory personnel
- Section NR 149.365 - Laboratory ethics
- Section NR 149.37 - Quality manual
- Section NR 149.38 - Corrective action
- Section NR 149.39 - Records and documents
- Section NR 149.40 - Standard operating procedures
- Section NR 149.41 - Method selection
- Section NR 149.42 - Alternative methods
- Section NR 149.43 - Laboratory facilities
- Section NR 149.44 - Laboratory equipment
- Section NR 149.442 - Handling of samples
- Section NR 149.444 - Initial instrument calibration requirements
- Section NR 149.446 - Continuing instrument calibration requirements
- Section NR 149.45 - Measurement traceability
- Section NR 149.46 - Handling of samples
- Section NR 149.47 - Reporting results
- Section NR 149.48 - Quality control requirements for chemical testing
- Section NR 149.49 - Quality control requirements for whole effluent toxicity testing
- Section NR 149.50 - Technology requirements