| VYC |
Val. Qual.: Not independ validated-subject to revision |
| VDZ |
Val. Qual.: Positive result is atypical pattern for diesel anal. |
| VPA |
Val. Qual.: Possible biogenic interference in detect. hydrocarbs. |
| VPH |
Val. Qual.: Post prep. spike recoveries above established limits |
| VPL |
Val. Qual.: Post prep. spike recoveries below established limits |
| VQQ |
Val. Qual.: PQL approx. due to QC or matrix effects |
| VQC |
Val. Qual.: QA/QC protocols not met for calibration |
| VQH |
Val. Qual.: QA/QC protocols not met for holding times |
| VQT |
Val. Qual.: QA/QC protocols not met for instr.12-hr tuning crit. |
| VQI |
Val. Qual.: QA/QC protocols not met for internal standard |
| VQL |
Val. Qual.: QA/QC protocols not met for lab control sample |
| VQM |
Val. Qual.: QA/QC protocols not met for matrix spike/spike dup. |
| VQB |
Val. Qual.: QA/QC protocols not met for method blank |
| VQS |
Val. Qual.: QA/QC protocols not met for surrogate recovery |
| VQ |
Val. Qual.: QA/QC protocols were not met |
| VQN |
Val. Qual.: QC data does not exist (hist. data) or is unavailable |
| VA |
Val. Qual.: Refer to report assoc. w/ sampling event for details |
| VR |
Val. Qual.: Rejected value |
| VNB |
Val. Qual.: Result bias cannot be determined |
| VLB |
Val. Qual.: Result negatively biased |
| VHB |
Val. Qual.: Result positively biased |
| VP |
Val. Qual.: Sample Chromat. pattern does not match calib. pattern |
| VS |
Val. Qual.: Sample Receipt nonconformance |
| VBY |
Val. Qual.: Sample received at improper temperature |
| VBX |
Val. Qual.: Sample stored at improper temperature |
| VSR |
Val. Qual.: Semi-quantitative result |
| VUB |
Val. Qual.: Should be considered non-detect; final result now MDL |
| VYB |
Val. Qual.: Specific issue independ validated-subject to revision |
| VSH |
Val. Qual.: Surrogate recoveries above established limits |
| VSL |
Val. Qual.: Surrogate recoveries below established limits |
| VRL |
Val. Qual.: The MQL is above the regulatory limit |
| VDX |
Val. Qual.: Value < lowest standard (MQL), but > than MDL |
| DX |
Value < lowest standard (MQL), but > than MDL |
| UB |
Value affected by contamination. |
| EC |
Value determined by the Method of Standard Addition |
| UC |
Value extrapolated at low end. |
| EB |
Value is estimated |
| UH |
Value is highly variable by this method. |
| OZ |
Value is MTBE concentration present in the TPH Gas range. |
| OW |
Value is the result of an unidentified peak in the TPH Gas range. |
| YH |
Value less than reporting limit; may be estimated or non-detect. |
| TO |
Value off the electronic scale of detector. |
| ES |
Value undetected at the MDL |
| IV |
When high MTBE, potential for breakdown of MTBE into methanol |