| ToxResultQACode | ToxResultQAName | ToxResultQADescr | LastUpdateDate |
| IL | RPD exceeds laboratory control limit | RPD exceeds laboratory control limit | 2017-02-07 |
| IU | Percent Recovery exceeds laboratory control limit | Percent Recovery exceeds laboratory control limit | 2017-02-07 |
| MAL | Male Adult | Male Adult | 2007-09-01 |
| None | None | None | 2009-10-23 |
| NR | Not Recorded | | 2009-01-29 |
| PRM | Low survival in toxicity test resulted from test interference due to pathogen related mortality | Low survival in toxicity test resulted from test interference due to pathogen related mortality | 2013-03-21 |
| THS | Hydrogen sulfide precision or accuracy exceeds laboratory control limit | Hydrogen sulfide precision or accuracy exceeds laboratory control limit | 2011-09-02 |
| THS,TW | THS,TW;see individual QADescr for complete definition | THS,TW;see individual QADescr for complete definition | 1900-01-01 |
| TW | Water quality parameters outside recommended test method ranges | Water quality parameters outside recommended test method ranges | 2011-09-02 |
| VH | Holding time violation occurred, flagged by QAO | Holding time violation occurred, flagged by QAO | 2013-03-21 |
| VH,VTW | VH,VTW;see individual QADescr for complete definition | VH,VTW;see individual QADescr for complete definition | 1900-01-01 |
| VIL | RPD exceeds control limit, flagged by QAO | RPD exceeds control limit, flagged by QAO | 2017-02-07 |
| VIU | Percent Recovery exceeds laboratory control limit, flagged by QAO | Percent Recovery exceeds laboratory control limit, flagged by QAO | 2017-02-07 |
| VTW | Water quality parameters outside recommended test method ranges, flagged by QAO | Water quality parameters outside recommended test method ranges, flagged by QAO | 2013-03-21 |