| UB |
Value affected by contamination. |
| UC |
Value extrapolated at low end. |
| UD |
Diluted sample: method high range exceeded. |
| UE |
See field comment. |
| UF |
Counts outside acceptable range. |
| UG |
Sample lab preparation problem. |
| UH |
Value is highly variable by this method. |
| UI |
Below the LRL and above the LT-MDL. |
| UJ |
Result determined by alternate method. |
| UK |
Instrument sensitivity problem. |
| UL |
Analyte detected in laboratory blank. |
| UM |
Reviewed and accepted |
| UO |
Presumed satisfactory |
| UP |
Duplicate RPD exceeds limit with results < 5 x RL. Absolute difference is < RL. Data are valid. |
| UQ |
Sample analyzed by EPA 200.8 using a dynamic reaction cell. |
| UR |
This batch does not include a matrix spike for this parameter. |
| US |
Data valid based on matrix spike data generated using this sample. |
| UT |
Sample value was blank corrected. |
| UU |
Analyte value 20 times less than level determined in method blank. |
| UV |
Laboratory is not accredited for this parameter. Certification Issue. |
| UW |
Analyzed by ICP-MS DRC |
| UX |
Primarily compounds not found in typical Gasoline. |
| UY |
Reporting limits raised due to loss of instrument response. |
| UZ |
Lab Control Sample RPDs outside of limits for several compounds. |
| VA |
Val. Qual.: Refer to report assoc. w/ sampling event for details |
| VB |
Val. Qual.: Analyte present in the blank and the sample |
| VBX |
Val. Qual.: Sample stored at improper temperature |
| VBY |
Val. Qual.: Sample received at improper temperature |
| VC |
Val. Qual.: Calibration nonconformances |
| VCD |
Val. Qual.: Lab Control Sample dup. RPD outside of estab. limits |
| VCO |
Val. Qual.: Analyte conc. detectable, but <5x blank conc. |
| VCP |
Val. Qual.: Analyte conc. detectable, but <10x blank conc. |
| VCQ |
Val. Qual.: Analyte conc. >10x blank conc. |
| VCR |
Val. Qual.: Analyte conc. >5x blank conc. |
| VDT |
Val. Qual.: Diss. metal result > total, beyond stnd. meth. var. |
| VDX |
Val. Qual.: Value < lowest standard (MQL), but > than MDL |
| VDZ |
Val. Qual.: Positive result is atypical pattern for diesel anal. |
| VF |
Val. Qual.: Compound is common field contaminant |
| VFB |
Val. Qual.: Analyte detected in associated field blank |
| VFD |
Val. Qual.: Field duplicate RPD outside of established limits |
| VFLB |
Val. Qual.: Analyte detected in associated filter blank |
| VH |
Val. Qual.: Holding Time exceedence |
| VHB |
Val. Qual.: Result positively biased |
| VJ |
Val. Qual.: Estimated value |
| VL |
Val. Qual.: Compound is common lab contaminant |
| VLB |
Val. Qual.: Result negatively biased |
| VLH |
Val. Qual.: Lab control sample recoveries above estab. limits |
| VLL |
Val. Qual.: Lab control sample recoveries below estab. limits |
| VM |
Val. Qual.: Nonconformance due to matrix effects |
| VMB |
Val. Qual.: Analyte detected in associated method blank |
| VMD |
Val. Qual.: Matrix Spike dup. RPD outside of established limits |
| VMH |
Val. Qual.: Matrix spike recoveries above established limits |
| VML |
Val. Qual.: Matrix spike recoveries below established limits |
| VMS |
Val. Qual.: Lboratory did not achieve required method sensitity. |
| VN |
Val. Qual.: Identification of compound is tentative |
| VNB |
Val. Qual.: Result bias cannot be determined |
| VP |
Val. Qual.: Sample Chromat. pattern does not match calib. pattern |
| 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 |
| VQ |
Val. Qual.: QA/QC protocols were not met |
| VQB |
Val. Qual.: QA/QC protocols not met for method blank |
| VQC |
Val. Qual.: QA/QC protocols not met for calibration |
| VQH |
Val. Qual.: QA/QC protocols not met for holding times |
| 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. |
| VQN |
Val. Qual.: QC data does not exist (hist. data) or is unavailable |
| VQQ |
Val. Qual.: PQL approx. due to QC or matrix effects |
| VQS |
Val. Qual.: QA/QC protocols not met for surrogate recovery |
| VQT |
Val. Qual.: QA/QC protocols not met for instr.12-hr tuning crit. |
| VQU |
Val. Qual.: Non-detect above PQL; final result is now PQL |
| VR |
Val. Qual.: Rejected value |
| VRB |
Val. Qual.: Analyte detected in assoc. equipment rinsate blank |
| VRL |
Val. Qual.: The MQL is above the regulatory limit |
| VS |
Val. Qual.: Sample Receipt nonconformance |
| VSG |
Val. Qual.: A silica gel cleanup procedure was performed |
| VSH |
Val. Qual.: Surrogate recoveries above established limits |
| VSL |
Val. Qual.: Surrogate recoveries below established limits |
| VSR |
Val. Qual.: Semi-quantitative result |
| VTB |
Val. Qual.: Analyte detected in associated trip blank sample |
| VU |
Val. Qual.: Compound analyzed for but not detected |
| VUB |
Val. Qual.: Should be considered non-detect; final result now MDL |
| VUJ |
Val. Qual.: MDL and EQL may be biased low |
| VYA |
Val. Qual.: Independently validated - subject to revision |
| VYB |
Val. Qual.: Specific issue independ validated-subject to revision |
| VYC |
Val. Qual.: Not independ validated-subject to revision |
| WA |
Analytes would have been detected even with low recovery. |
| WB |
No detectable levels of analyte in samples. |
| WC |
Data accepted. |
| WD |
Positive result confirmed by a second detector. |
| WE |
Sample filtered immediately upon receipt by the laboratory. |
| WF |
Samples showed no detectable levels of analyte and were not subjected to silica gel procedure. |
| WG |
This batch does not include a LCS for this parameter. |
| WH |
Sample composited in laboratory at client request. |
| WI |
The CCV for these samples was within acceptance limits. |
| WJ |
LCS target analytes within acceptance limits. |
| WK |
Samples were received and filtered past official holdling time. |
| WL |
Cited ADHS licensed method does not contain this analyte as part of the method compound list. |
| WM |
Tentatively identified compound concentration is estimated and based on closest internal standard. |