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CEDEN Data Checker

CEDEN LookUp List: QALookUp

QACodeQANameLastUpdateDate
AWMDetection limit increased due to dilution prior to final sample volume (not a secondary dilution)2014-11-19
AYMatrix interference suspected2014-06-09
BBSample > 4x spike concentration2010-03-17
BBMSample > 2X but less than 4X spike concentration2010-03-17
BDL0 < quantification (threshold) cycle (Cq) <= Cq Limit of Detection (LOD)2018-04-23
BELow surrogate recovery; analyzed twice2011-12-01
BHReporting limits raised due to high level of non-target analytes2017-05-25
BLMCompound unidentified or below the RL due to overdilution2010-03-17
BQCTaxonomy External Quality Control2017-04-19
BRKASample container broken but analyzed2010-03-17
BSInsufficient sample available to follow standard QC procedures2010-03-17
BTInsufficient sample to perform the analysis2010-03-17
BVSample received after holding time expired2010-03-17
BXSample stored at improper temperature2010-03-17
BYSample received at improper temperature2010-03-17
BZSample preserved improperly2010-03-17
BZ15Sample not filtered within 15 minutes2014-07-16
CPesticide result confimred using GC/MS- EPA Flag2010-06-11
CESample not homogeneous2010-06-03
CINValue outside confidence interval2012-03-11
CJAnalyte concentration is in excess of the instrument calibration; considered estimated2011-12-01
CNMDRO (C10-C28) resembles weathered diesel2018-07-05
CNPcalibration not performed2013-01-09
CQAConcentration not reported for QA sample only % Recovery or RPD reported2010-03-17
CSQC criteria not met due to analyte concentration near RL2010-03-17
CSGBacteria result calculated using a subset of grids when the filter is too concentrated2015-01-20
CTQC criteria not met due to high level of analyte concentration2010-03-17
CVHCONTINUING CALIBRATION VERIFICATION HIGH, NO BIAS2015-07-20
CVHBCONTINUING CALIBRATION VERIFICATION HIGH, HIGH BIAS2015-07-20
CVLCONTINUING CALIBRATION VERIFICATION LOW, NO BIAS2015-07-20
CVLBCONTINUING CALIBRATION VERIFICATION LOW, LOW BIAS2015-07-20
CZMproject sample was heterogeneous and sample homogeneity could not be readily achieved using routine laboratory practices, therefore RPD was outside the specified acceptance limits2015-03-10
DEPA Flag - Analytes analyzed at a secondary dilution2010-03-17
DBQA results outside of acceptance limits due to matrix effects2010-03-17
DBLODDetected Below Limit of Detection used for PCR analysis only2017-04-18
DBMQC results outside of acceptance limits, associated sample result not affected since analyte was not detected or below the reporting limit.2016-10-25
DFReporting limits elevated due to matrix interferences2010-03-17
DGreporting limits elevated due to sample dilution2011-05-12
DOCoelution2010-03-17
DRMSpike amount less than 5X the MDL2010-03-17
DSBatch Quality Assurance data from another project2010-03-17
DTMethod detection limit elevated2016-05-17
ERVExceeds reference control limits2012-04-20
EUMLCS is outside of control limits2011-08-03
EXMatrix spike diluted to not detectable during analysis2016-09-13
FSample mistakenly filtered2010-03-17
FCLField calibration not performed within 24 hours before use2010-03-17
FDCDrift check not acceptable2010-03-17
FDIField instrument displaced but still deployed in water2014-09-23
FDOField instrument displaced and removed from water2014-09-23
FDPField duplicate RPD above QC limit2010-03-17
FDRDry Channel2010-03-17
FDSDry Site2011-09-01
FEUEquipment Unavailable2010-03-17
FIALocation was inaccessible to obtain a measurement2010-03-17
FIBField instrument buried2014-09-23
FIFInstrument/Probe Failure2010-03-17
FIOField instrument above water level2014-09-23
FIPField instrument vandalized, fouled, or otherwise in poor condition2014-09-23
FITInvalid time. ?Likely instrument error or failure2014-02-04
FIVInvalid velocity. ?Likely instrument error or failure2014-02-04
FLVVelocity too low to be measured2010-03-17
FNMno documentation of the field measurement collection exists2010-03-17
FOEstimated maximum possible concentration (EMPC)2013-07-08
FSToo Shallow for probe measurement2010-03-17
FTDLocation was too deep to obtain a measurement2010-03-17
FTTWater too turbid to measure2013-01-02
FUDUnable to deploy instrument2010-03-17
FXAnalyte present in the instrument blank2010-03-17
GBMatrix spike recovery not within control limits2010-03-17
GBCCRM analyte recovery not within control limits2010-03-17
GCSecond column confirmation performed2010-03-17
GCASecond column confirmation absent (not reported)2015-01-02
GDsecondary column result2010-03-17
GNSurrogate recovery is outside of control limits2010-03-17
GRInternal standard recovery is outside method recovery limit2010-03-17
HA holding time violation has occurred.2010-03-17
H22Sample exceeds incubation period of 18-22 hours.2010-11-22
H24Holding time was > 24 hours for Bacteria tests only2010-03-17
H8Holding time was > 8 hrs but < 24 hours for Bacteria tests only2013-01-17
HBResult positively biased2015-03-26
HDChromat. profile inconsistent with pattern(s) of ref. fuel stnds.2016-12-23
HHResult exceeds linear range; concentration may be understated2011-12-01
HNO2Holding time violation occurred on the NO2 concentration used for NO3 calculation.2010-04-13
HRPost-digestion spike2010-03-17
HSSpike analyte recovery is outside stated control limits2008-01-01
HTAnalytical value calculated using results from associated tests2010-03-17
IESurrogate not added to this sample2010-03-17
IFSample result is greater than reported value2010-03-17
ILRPD exceeds laboratory control limit2010-03-17
ILMRSD exceeds control limit2013-03-19
ILNRlog exceeds control limit2014-02-11
ILORlog not calculated because concentration below RL2015-08-18
IMMethod does not include this analyte as part of compound list2010-03-17
IPAnalyte detected in field or lab generated blank2012-06-18
IP5Analyte detected in field or lab generated blank, >RL and >1/5 amount detected in associated environmental sample2012-06-21
IPMDL2Analyte detected in field or lab generated blank, >10% lowest detection in batch and >2.2x MDL2012-06-21
IPMDL3Analyte detected in field or lab generated blank, >MDL and >30% lowest detection in batch2012-06-21
IPRLAnalyte detected in field or lab generated blank, >RL2012-06-21
ISReporting limit elevated due to pres. of analyte in method blank2010-03-17
IUPercent Recovery exceeds laboratory control limit2008-01-01
IZMBottle integrity compromised, potential contamination2012-10-17
JEstimated value - EPA Flag2010-03-17
JAAnalyte positively identified but quantitation is an estimate2010-03-17
JDLEstimated result lower than detection limit2016-04-14
LBResult negatively biased2016-06-07
LCLaboratory Contamination2010-03-17
LRGNData rejected - Surrogate recovery not within control limits, flagged by laboratory2012-04-23
LRILData rejected - RPD exceeds laboratory control limit, flagged by laboratory2012-08-13
LRIPData rejected - Analyte detected in field or lab generated blank, flagged by laboratory2012-06-18
LRIUData rejected - Percent Recovery exceeds laboratory control limit, flagged by laboratory2011-08-22
LRJData rejected - Estimated value - EPA Flag, flagged by laboratory2011-08-22
LRJAData rejected - Analyte positively identified but quantitation is an estimate, flagged by laboratory2012-09-20
LRMData rejected - A matrix effect is present, flagged by laboratory2011-08-22
LRQData rejected - Based on professional judgement QA/QC protocols were not met, flagged by lab2011-08-22
LSTSample was lost or destroyed2010-03-17
MA matrix effect is present2010-03-17
MALMale Adult1900-01-01
MNMethod procedures not followed2010-03-17
NTentatively Identified Compound2010-03-17
NASNot adjusted for salinity2016-12-15
NBCValue not blank corrected2008-08-11
NCAnalyte concentration not certifiable in Certified Reference Material2010-03-17
NGThe reported result is a negative value2012-02-16
NMDLNo Method Detection Limit reported from laboratory2010-03-17
NoneNone - No QA Qualifier2010-03-17
NRNot Recorded2010-03-17
NRLNo Reporting Limit reported by the laboratory2010-04-07
NTRNot Total Recovery: Method typically provides <50% recovery of analyte in native samples despite good recovery in spiked samples.2012-11-07
OAAnalyte over range when run undiluted. Diluted result below PQL2011-04-06
OVResult is averaged2010-03-17
PEvidence analyte present2010-03-17
PGCalibration verification outside control limits2010-03-17
PIPrimary and confirmation results varied by > than 40%2010-03-17
PJResult from re-extract/re-anal to confirm original MS/MSD result2010-03-17
PJMResult from re-extract/re-anal to confirm original result2010-03-17
PJNResult from re-extract/re-analysis for QC purposes only2010-03-17
PPDilutions for BOD failed criteria of 2 mg/L diss. O2 depletion2011-05-12
PRMLow survival in toxicity test resulted from test interference due to pathogen-related mortality2012-12-12
QQuestionable result2010-03-17
QAXWhen the native sample for the MS/MSD or DUP is not included in the batch reported2010-03-17
QGIndividual analyte exceedances allowed per NELAC2013-11-07
RData rejected - EPA Flag2010-03-17
REElevated reporting limits due to limited sample volume2010-03-17
RELReporting limits elevated above QAPP targets due to change in identified lab capabilities over course of project implementation.2015-06-04
RIPRIP;see individual QADescr for complete definition1900-01-01
RIURIU;see individual QADescr for complete definition1900-01-01
RJRJ;see individual QADescr for complete definition1900-01-01
RLSTReplicate lost or destroyed2016-08-01
ROQQuantification (threshold) cycle (Cq) > Cq Lower Limit of Quantificaqtion (LLOQ), positive result2018-03-20
RPVSample failed to meet representativeness requirements1900-01-01
RQSpike recovery not calculated due to high concentration of analyte2014-07-22
RULCS rec. within marginal exceedances, 3-4 s.d. around the mean.2017-05-25
RYStandard Instrument related QC exceeds the control limits2016-09-19
SSample Receipt nonconformance2017-10-13
SCSurrogate Corrected Value2010-03-17
SCRScreening level analysis2010-03-17
SLMAnalyte results for R1 and/or R2 were lower than 10 times the MDL, therefore RPD acceptance limits do not apply2014-06-04
TAAmmonia precision or accuracy exceeds laboratory control limit2010-03-17
TACAlternative control used in toxicity statistical analysis2013-10-31
TAETest organisms exceed age limit at test initiation2018-02-15
TCConductivity precision or accuracy exceeds laboratory control limit2010-03-17
TCFAlternative control does not meet test acceptability criteria2018-02-15
TCIConductivity insufficient for test species2010-03-17
TCTConductivity tolerance exceeded for test species2010-03-17
TDDO precision or accuracy exceeds laboratory control limit2010-03-17
THHardness precision or accuracy exceeds laboratory control limit2010-03-17
THSHydrogen sulfide precision or accuracy exceeds laboratory control limit2010-03-17
TKAlkalinity precision or accuracy exceeds laboratory control limit2012-06-05
TLMinor deviation in temperature or light (comment)2010-03-17
TNCToo numerous to count2013-03-19
TNSOnly neonate counts from surviving adults were used in the analysis2010-03-17
TOQNumber of organisms in a toxicity test do not meet the minimum quantity per replicate at test initiation or an unequal quantity of organisms per replicate is used2015-07-10
TPpH precision or accuracy exceeds laboratory control limit2010-03-17
TRTest conditions not acceptable (temp, light)2010-03-17
TSSalinity precision or accuracy exceeds laboratory control limit2010-03-17
TWWater quality parameters outside recommended test method ranges2010-03-17
TWNRequired water quality parameters not measured2017-12-08
UUSBR code-sample is an Outlier (U) at time of verification2018-03-02
UFCounts outside acceptable range.2016-11-18
UJAnalyte was not detected above the reported sample quantitation limit.Reported quantitation limit is approx. & may not represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample.2010-03-17
UKMLock mass interference present2012-10-01
ULMAnalyte detected in associated bottle blank check2014-05-21
UOLResult determined to be an outlier at the time of data validation2015-08-13
VBBSample > 4x spike concentration, flagged by QAO2013-09-13
VBSInsufficient sample available to follow standard QC procedures, flagged by QAO2011-08-22
VBYSample received at improper temperature, flagged by QAO2010-03-17
VBZSample preserved improperly, flagged by QAO2010-05-26
VBZ15Sample not filtered within 15 minutes, flagged by QAO2015-02-26
VCResult was calculated by DMT when not provided for DNQ ResQualCode, value 1/2 distance between MDL and RL, flagged by QAO2010-03-17
VCJAnalyte concentration is in excess of the instrument calibration; considered estimated, flagged by QAO2013-09-08
VCOSample analyte concentration detectable but <5X blank concentration (contamination), flagged by QAO2011-08-29
VCQanalyte concentration >10X blank concentration2011-05-12
VCRSample analyte concentration >5X blank concentration (True hit), flagged by QAO2011-08-29
VDEPA Flag - Analytes analyzed at a secondary dilution, flagged by QAO2012-03-22
VDOCoelution; flagged by QAO2012-11-14
VDSBatch Quality Assurance data from another project, flagged by QAO2010-06-28
VELBLab batch sample quantity exceedes number of samples allowed per batch, flagged by QAO2015-08-17
VEUMLCS/LCM recovery not within control limits, flagged by QAO2010-03-17
VFDPField duplicate RPD above QC limit;flagged by QAO2010-03-17
VFIFInstrument/Probe Failure, flagged by QAO2014-01-09
VFNMNo documentation of the field measurement collection exists, flagged by QAO2016-07-21
VFOEstimated maximum possible concentration (EPMC), flagged by QAO2013-09-20
VGBMatrix spike recovery not within control limits, flagged by QAO2010-03-17
VGBCCRM recovery not within control limits, flagged by QAO2010-03-17
VGNSurrogate recovery not within control limits, flagged by QAO2010-03-17
VHHolding time violation occurred, flagged by QAO2010-03-17
VH24Holding time was > 24 hours for Bacteria tests only, flagged by QAO2010-08-13
VH8Holding time was > 8 hrs but < 24 hours for Bacteria tests only, flagged by QAO2013-01-17
VHBResult positively biased, flagged by QAO2013-09-03
VIESurrogate not added to this sample, flagged by QAO2014-06-06
VILRPD exceeds control limit, flagged by QAO2010-03-17
VILNRlog exceeds control limit, flagged by QAO2015-08-18
VILORlog not calculated because concentration below RL, flagged by QAO2015-08-18
VIPAnalyte detected in field or lab generated blank, flagged by QAO2012-06-18
VIP5Analyte detected in field or lab generated blank, >RL and >1/5 amount detected in associated environmental sample, flagged by QAO2012-06-21
VIPMDL2Analyte detected in field or lab generated blank, >10% lowest detection in batch and >2.2x MDL, flagged by QAO2012-06-21
VIPMDL3Analyte detected in field or lab generated blank, >MDL and >30% lowest detection in batch, flagged by QAO2012-06-21
VIPRLAnalyte detected in field or lab generated blank, >RL, flagged by QAO2012-06-21
VISReporting limit elevated due to pres. of analyte in method blank, flagged by QAO2011-08-22
VIUPercent Recovery exceeds laboratory control limit, flagged by QAO2010-03-17
VJEstimated value - EPA Flag, flagged by QAO2011-08-22
VJAAnalyte positively identified but quantitation is an estimate, flagged by QAO2011-08-22
VLBResult negatively biased, flagged by QAO2013-05-15
VLMQOData did not meet laboratory MQO, but met project MQO, flagged by QAO2017-01-09
VMA matrix effect is present, flagged by QAO2011-08-22
VNBCValue not blank corrected, flagged by QAO2011-08-22
VNCAnalyte concentration not certifiable in Certified Reference Material, flagged by QAO2010-03-17
VNMDLNo Method Detection Limit reported from laboratory, flagged by QAO2012-04-18
VNTRNot Total Recovery: Method typically provides <50% recovery of analyte in native samples despite good recovery in spiked samples, flagged by QAO.2012-11-07
VPJMResult from re-extract/re-anal to confirm original result, flagged by QAO2012-05-31
VPMQOData met laboratory MQO, but did not meet project MQO, flagged by QAO2016-09-14
VQAXWhen the native sample for the MS/MSD or DUP is not included in the batch reported, flagged by QAO2010-03-17
VQCAQA/QC protocols were not met for accuracy, flagged by QAO2012-06-04
VQCPQA/QC protocols were not met for precision, flagged by QAO2012-06-04
VQNNo QA/QC performed or performed but not reported, used with historical data, Batch comment required2012-03-07
VRData rejected - EPA Flag, flagged by QAO2009-04-29
VRBSData rejected - Insufficient sample available to follow standard QC procedures, flagged by QAO2011-08-22
VRBZData rejected - Sample preserved improperly, flagged by QAO2011-08-22
VRDOData rejected - Co-elution, flagged by QAO2011-08-22
VREElevated reporting limits due to limited sample volume, flagged by QAO2011-06-08
VRELReporting limits elevated due to change in lab capabilities, flagged by QAO2015-06-04
VRGNData rejected - Surrogate recovery not within control limits, flagged by QAO2009-08-18
VRILData rejected - RPD exceeds control limit, flagged by QAO2011-09-14
VRIPData rejected - Analyte detected in field or lab generated blank, flagged by QAO2012-06-18
VRIUData rejected - Percent Recovery exceeds laboratory control limit, flagged by QAO2011-09-14
VRJData rejected - Estimated value - EPA Flag, flagged by QAO2011-08-22
VRLBData rejected - Result negatively biased, flagged by QAO2013-12-18
VRLSTReplicate lost or destroyed, flagged by QAO2016-08-01
VRQVRQ;see individual QADescr for complete definition1900-01-01
VRVQData rejected - Based on professional judgement QA/QC protocols were not met, flagged by QAO2011-08-22
VSSample Receipt nonconformance, flagged by QAO2010-10-28
VSCSurrogate Corrected Value, flagged by QAO2011-05-26
VSCRScreening level analysis, flagged by QAO2010-03-17
VSD3Result greater than three standard deviations from historical average, flagged by QAO2013-09-03
VTACVTAC Alternative control used in toxicity statistical analysis2015-08-11
VTAETest organisms exceed age limit at test initiation, flagged by QAO2018-02-15
VTCFAlternative control does not meet test acceptability criteria, flagged by QAO2018-02-02
VTCIConductivity insufficient for test species, flagged by QAO2010-03-17
VTCTConductivity tolerance exceeded for test species, flagged by QAO2010-03-17
VTNCToo numerous to count, flagged by QAO2013-04-05
VTOQNumber of organisms in a toxicity test do not meet the minimum quantity per replicate at test initiation or an unequal quantity of organisms per replicate is used, flagged by QAO2015-08-10
VTRTest conditions not acceptable (temp, light), flagged by QAO2015-08-13
VTWWater quality parameters outside recommended test method ranges, flagged by QAO2010-04-27
VTWNRequired water quality parameters not measured, flagged by QAO2017-12-08
VVQBased on professional judgement QA/QC protocols were not met, flagged by QAO2011-08-22
WESample filtered immediately upon receipt by the laboratory.2017-12-15