| VLB |
Val. Qual.: Result negatively biased |
| VL |
Val. Qual.: Compound is common lab contaminant |
| VJ |
Val. Qual.: Estimated value |
| VHB |
Val. Qual.: Result positively biased |
| VH |
Val. Qual.: Holding Time exceedence |
| VFLB |
Val. Qual.: Analyte detected in associated filter blank |
| VFD |
Val. Qual.: Field duplicate RPD outside of established limits |
| VFB |
Val. Qual.: Analyte detected in associated field blank |
| VF |
Val. Qual.: Compound is common field contaminant |
| VDZ |
Val. Qual.: Positive result is atypical pattern for diesel anal. |
| VDX |
Val. Qual.: Value < lowest standard (MQL), but > than MDL |
| VDT |
Val. Qual.: Diss. metal result > total, beyond stnd. meth. var. |
| VCR |
Val. Qual.: Analyte conc. >5x blank conc. |
| VCQ |
Val. Qual.: Analyte conc. >10x blank conc. |
| VCP |
Val. Qual.: Analyte conc. detectable, but <10x blank conc. |
| VCO |
Val. Qual.: Analyte conc. detectable, but <5x blank conc. |
| VCD |
Val. Qual.: Lab Control Sample dup. RPD outside of estab. limits |
| VC |
Val. Qual.: Calibration nonconformances |
| VBY |
Val. Qual.: Sample received at improper temperature |
| VBX |
Val. Qual.: Sample stored at improper temperature |
| VB |
Val. Qual.: Analyte present in the blank and the sample |
| VA |
Val. Qual.: Refer to report assoc. w/ sampling event for details |
| UZ |
Lab Control Sample RPDs outside of limits for several compounds. |
| UY |
Reporting limits raised due to loss of instrument response. |
| UX |
Primarily compounds not found in typical Gasoline. |
| UW |
Analyzed by ICP-MS DRC |
| UV |
Laboratory is not accredited for this parameter. Certification Issue. |
| UU |
Analyte value 20 times less than level determined in method blank. |
| UT |
Sample value was blank corrected. |
| US |
Data valid based on matrix spike data generated using this sample. |
| UR |
This batch does not include a matrix spike for this parameter. |
| UQ |
Sample analyzed by EPA 200.8 using a dynamic reaction cell. |
| UP |
Duplicate RPD exceeds limit with results < 5 x RL. Absolute difference is < RL. Data are valid. |
| UO |
Presumed satisfactory |
| UM |
Reviewed and accepted |
| UL |
Analyte detected in laboratory blank. |
| UK |
Instrument sensitivity problem. |
| UJ |
Result determined by alternate method. |
| UI |
Below the LRL and above the LT-MDL. |
| UH |
Value is highly variable by this method. |
| UG |
Sample lab preparation problem. |
| UF |
Counts outside acceptable range. |
| UE |
See field comment. |
| UD |
Diluted sample: method high range exceeded. |
| UC |
Value extrapolated at low end. |
| UB |
Value affected by contamination. |
| UA |
Average. |
| U |
EPA Flag - Compound was analyzed for, but was not detected |
| TZ |
Carrier exceeds control limit. |
| TY |
Estimated due to discrepancies meeting analyte-specific QC criteria. Dual Column %Diff over limit. |
| TX |
LCSD recovery exceeds control limit. |
| TW |
LCS recovery exceeds control limit. |
| TV |
Sample was not taken due to high vacuum. |
| TO |
Value off the electronic scale of detector. |
| TJ |
Tracer exceeds control limit due to very low tracer value. |
| TH |
The sample minimum detectable concentration (MDC) is greater than the requested reporting limit (RL) |
| TG |
Ion Ratio outside of limits, value is estimated maximum possible concentration (EMPC). |
| TF |
The quantitation limit has been raised due to exhibited elevated noise or matrix interference. |
| TE |
Hydrocarbon reported does not match the pattern of Gasoline standard |
| TD |
Hydrocarbon reported does not match the pattern of Diesel standard |
| TC |
Total Weight Percent Adjusted |
| TB |
Conc. could not be determined due to high dissolved solids conc. |
| TA |
Sample container received with headspace. |
| T5 |
<100g avail for TCLP extrctn-vol of extrct adjusted per procd |
| SN |
See narrative and/or special notes. |
| SG |
A silica gel cleanup procedure was performed. |
| SC |
SW3640 clean-up method performed |
| SB |
SW3620 clean-up method performed |
| SA |
SW3665 clean-up method performed |
| RZ |
4-BFB is outside acceptance limits. All other QC parameters in control, therefore data was approved. |
| RY |
Standard Instrument related QC exceeds the control limits. |
| RX |
Chrom. pattern matches std. but heavier hydrocarbs. also present |
| RW |
Chrom. pattern matches std. but lighter hydrocarbs. also present |
| RV |
Surr. recovery outside of control limits due to required dilution |
| RU |
LCS rec. within marginal exceedances, 3-4 s.d. around the mean. |
| RT |
Sterile Water |
| RS |
Gasoline/Diesel used as carbon source for degrading bacteria. |
| RQ |
Spike recovery not calculated due to high conc. of analyte. |
| RK |
Sample diluted due to high concentration of MTBE. |
| RJ |
Contract limits originate from BP LaMP Technical Requirements |
| RI |
The method blank contains the analyte at a reportable level |
| RH |
The reporting limit is elevated due to high analyte levels. |
| RG |
Estimated result. Result is < RL and > or equal to IDL. |
| RF |
Primary/confirm. results vary >40% RPD; res. may still be useful |
| RE |
Elevated reporting limits due to limited sample volume |
| RD |
Sample diluted: high level non-target analytes due to elev. RL |
| RC |
RPD useless info due to varying samp. wghts using Encore sampler |
| RB |
RPD exceeded method control limit; % recoveries within limits. |
| RA |
RPD exceeds limit due to matrix interf.; % recovs. within limits |
| R |
EPA Flag - Data rejected |
| QZ |
Sample collected in tedlar bag. |
| QY |
Quantitated against a Stoddard solvent standard |
| QX |
This test was perfornmed in the field, not in the laboratory. |
| QW |
Matrix is reductive; possible low bias in matrix/post spike. |
| QV |
Possibly aged gasoline. |
| QU |
Per EPA, benzidine subject to oxidative loss during solvent conc. |
| QT |
TUa = 0.0 |
| QS |
Must be analyzed in field to meet specified 15 min holding time. |
| QR |
Reported from a secondary dilution (to get result on scale). |
| QQ |
Analyte found in travel blank but not in associated samples. |