List: QALookUp

QACodeQAName
ANISample results for structural isomers may have contribution from their isomeric pair
AWMDetection limit increased due to dilution prior to final sample volume (not a secondary dilution)
AYMatrix interference suspected
BBSample > 4x spike concentration
BBMSample > 2X but less than 4X spike concentration
BCIThe reporting limit is elevated due to a chromatographic interference
BCOSample received in improper container
BDL0 < quantification (threshold) cycle (Cq) <= Cq Limit of Detection (LOD)
BELow surrogate recovery; analyzed twice
BFRESample influenced by fire
BHReporting limits raised due to high level of non-target analytes
BITRInsufficient taxonomic resolution to calculate CSCI
BLMCompound unidentified or below the RL due to overdilution
BLNOLow number of organisms, may impact CSCI calculation
BQCTaxonomy External Quality Control
BRKSample not analyzed, sample container broken
BRKASample container broken but analyzed
BSInsufficient sample available to follow standard QC procedures
BSALSample influenced by saline conditions
BSCRSample influenced by scour or suspected scour event
BTInsufficient sample to perform the analysis
BUCMUntested or unknown benthic macroinvertebrate collection method
BUTPSampling conducted during unrepresentative time period for CSCI calculation
BVSample received after holding time expired
BWIMPortion of upstream tributary watershed for benthic macroinvertebrates is in Mexico
BXSample stored at improper temperature
BYSample received at improper temperature
BZSample preserved improperly
BZ15Sample not filtered within 15 minutes
CPesticide result confirmed using GC/MS- EPA Flag
CESample not homogeneous
CINValue outside confidence interval
CJAnalyte concentration is in excess of the instrument calibration; considered estimated
CKInitial analysis within holding time but failed QA/QC criteria
CNHydrocarbon response in diesel range but does not resemble diesel
CNCCalibration nonconformances
CNMDRO (C10-C28) resembles weathered diesel
CNPcalibration not performed
CQAConcentration not reported for QA sample only % Recovery or RPD reported
CSQC criteria not met due to analyte concentration near RL
CSGBacteria result calculated using a subset of grids when the filter is too concentrated
CTQC criteria not met due to high level of analyte concentration
CVHContinuing calibration verification high, no bias
CVHBContinuing calibration verification high, high bias
CZMProject sample was heterogeneous and sample homogeneity could not be readily achieved using routine laboratory practices, therefore RPD was outside the specified acceptance limits
DEPA Flag - Analytes analyzed at a secondary dilution
DBQA results outside of acceptance limits due to matrix effects
DBLODDetected Below Limit of Detection used for PCR analysis only
DBMQC results outside of acceptance limits, associated sample result not affected since analyte was not detected or below the reporting limit.
DFReporting limits elevated due to matrix interferences
DGReporting limits elevated due to sample dilution
DOCoelution
DRMSpike amount less than 5X the MDL
DSBatch Quality Assurance data from another project
DTMethod detection limit elevated
DVReporting limit elevated due to final volume of the sample extract was higher than the nominal amount
EEPA Flag - Analyte exceeded the concentration range of the GC/MS
ERVExceeds reference control limits
EUMLCS is outside of control limits
EXMatrix spike diluted to not detectable during analysis
FSample mistakenly filtered
FCLField calibration not performed within 24 hours before use
FDCDrift check not acceptable
FDIField instrument displaced but still deployed in water
FDOField instrument displaced and removed from water
FDPField duplicate RPD above QC limit
FDPMField duplicate RPD above QC limit with results >=5 xRL
FDRDry Channel
FDSDry Site
FEUEquipment Unavailable
FIAnalyte in field sample and associated blank
FIALocation was inaccessible to obtain a measurement
FIBField instrument buried
FIFInstrument/Probe Failure
FIOField instrument above water level
FIPField instrument vandalized, fouled, or otherwise in poor condition
FITInvalid time.  Likely instrument error or failure
FLVVelocity too low to be measured
FNMno documentation of the field measurement collection exists
FOEstimated maximum possible concentration (EMPC)
FSToo Shallow for probe measurement
FTDLocation was too deep to obtain a measurement
FTTWater too turbid to measure
FUDUnable to deploy instrument
FXAnalyte present in the instrument blank
GBMatrix spike recovery not within control limits
GBCCRM analyte recovery not within control limits
GCSecond column confirmation performed
GCASecond column confirmation absent (not reported)
GDsecondary column result
GIDAIsotope Dilution Analogue recovery not within control limits
GNSurrogate recovery is outside of control limits
GRInternal standard recovery is outside method recovery limit
HA holding time violation has occurred.
H22Sample exceeds incubation period of 18-22 hours.
H24Holding time was > 24 hours for Bacteria tests only
H8Holding time was > 8 hrs but < 24 hours for Bacteria tests only
HDChromat. profile inconsistent with pattern(s) of ref. fuel stnds.
HHResult exceeds linear range; concentration may be understated
HLAnalyte recovery above established limit
HMAnalyte recovery below established limit
HNO2Holding time violation occurred on the NO2 concentration used for NO3 calculation.
HRPost-digestion spike
HSSpike analyte recovery is outside stated control limits
HSMSampling crew or submitting agency field spike recovery not within control limits
HTAnalytical value calculated using results from associated tests
HXSpike recovery out of limits, but QC batch considered in control
IDAIsotope Dilution Analogue corrected
IESurrogate not added to this sample
IFSample result is greater than reported value
ILRPD exceeds laboratory control limit
ILMRSD exceeds control limit
ILNRlog exceeds control limit
ILORlog not calculated because concentration below RL
IMMethod does not include this analyte as part of compound list
IPAnalyte detected in field or lab generated blank
IP10Analyte detected in field or lab generated blank, >RL and >1/10 amount detected in associated environmental sample
IP5Analyte detected in field or lab generated blank, >RL and >1/5 amount detected in associated environmental sample
IPFAnalyte detected in field blank, data validation code
IPMDL2Analyte detected in field or lab generated blank, >10% lowest detection in batch and >2.2x MDL
IPMDL3Analyte detected in field or lab generated blank, >MDL and >30% lowest detection in batch
IPRLAnalyte detected in field or lab generated blank, >RL
ISReporting limit elevated due to pres. of analyte in method blank
IUPercent Recovery exceeds laboratory control limit
IZMBottle integrity compromised, potential contamination
JEstimated value - EPA Flag
JAAnalyte positively identified but quantitation is an estimate
JDLEstimated result lower than detection limit
LAConfirmatory analysis was past holding time
LCLaboratory Contamination
LRGNData rejected - Surrogate recovery not within control limits, flagged by laboratory
LRILData rejected - RPD exceeds laboratory control limit, flagged by laboratory
LRIPData rejected - Analyte detected in field or lab generated blank, flagged by laboratory
LRIUData rejected - Percent Recovery exceeds laboratory control limit, flagged by laboratory
LRJData rejected - Estimated value - EPA Flag, flagged by laboratory
LRJAData rejected - Analyte positively identified but quantitation is an estimate, flagged by laboratory
LRMData rejected - A matrix effect is present, flagged by laboratory
LRQData rejected - Based on professional judgement QA/QC protocols were not met, flagged by lab
LSTSample was lost or destroyed
MA matrix effect is present
MNMethod procedures not followed
NTentatively Identified Compound
NASNot adjusted for salinity
NBCValue not blank corrected
NCAnalyte concentration not certifiable in Certified Reference Material
NGThe reported result is a negative value
NMDLNo Method Detection Limit reported from laboratory
NoneNone - No QA Qualifier
NRNot Recorded
NRLNo Reporting Limit reported by the laboratory
OAAnalyte over range when run undiluted. Diluted result below PQL
OLResult may be biased high due to carry over from prior analysis
OVResult is averaged
PEvidence analyte present
PEHSample was preserved to extend the holding time
PGCalibration verification outside control limits
PIPrimary and confirmation results varied by > than 40%
PILRPD is within the lab or method defined acceptance criteria, but is outside of project-specific control limits
PJResult from re-extract/re-anal to confirm original MS/MSD result
PJMResult from re-extract/re-anal to confirm original result
PJNResult from re-extract/re-analysis for QC purposes only
PPDilutions for BOD failed criteria of 2 mg/L diss. O2 depletion
PRMLow survival in toxicity test resulted from test interference due to pathogen-related mortality
QQuestionable result
QAXWhen the native sample for the MS/MSD or DUP is not included in the batch reported
QGIndividual analyte exceedances allowed per NELAC
RData rejected - EPA Flag
REElevated reporting limits due to limited sample volume
RLSTReplicate lost or destroyed
ROQQuantification (threshold) cycle (Cq) > Cq Lower Limit of Quantification (LLOQ), positive result
RQSpike recovery not calculated due to high concentration of analyte
RQMSpike recovery not calculated due to matrix interference
RULCS rec. within marginal exceedances, 3-4 s.d. around the mean.
RUMAcceptable QC with marginal exceedance
RYStandard Instrument related QC exceeds the control limits
RYMReporting Limit check standard failed laboratory defined acceptance criteria. Data is accepted based on passing method required QC
SSample Receipt nonconformance
SCSurrogate Corrected Value
SCRScreening level analysis
SLMAnalyte results for R1 and/or R2 were lower than 10 times the MDL, therefore RPD acceptance limits do not apply
SNSee narrative and/or special notes
SSMSecond source recovery below method control limit
TAAmmonia precision or accuracy exceeds laboratory control limit
TACAlternative control used in toxicity statistical analysis
TADAdditional metamorphosized or pupated organism accidently included in statistical analysis
TAETest organisms exceed age limit at test initiation
TAFTest organisms exceed the maximum weight requirement at test initiation
TASAlternate species tested
TCConductivity precision or accuracy exceeds laboratory control limit
TCFAlternative control does not meet test acceptability criteria
TCIConductivity insufficient for test species
TCTConductivity tolerance exceeded for test species
TDDO precision or accuracy exceeds laboratory control limit
TEMEndpoint not analyzed or reported by the laboratory
THHardness precision or accuracy exceeds laboratory control limit
THSHydrogen sulfide precision or accuracy exceeds laboratory control limit
TKAlkalinity precision or accuracy exceeds laboratory control limit
TLMinor deviation in temperature or light (comment)
TMMMale replicate excluded from test analysis
TMOTest organisms escaped or are otherwise missing
TMSDEndpoint considered not toxic; per EPA method, when both the relative difference from control and the test percent minimum significant difference (PMSD) are less than EPA lower PMSD bound (10th percentile)
TNCToo numerous to count
TNSOnly neonate counts from surviving adults were used in the analysis
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 used
TPpH precision or accuracy exceeds laboratory control limit
TRTest conditions not acceptable (temp, light)
TRTReference toxicant test failed due to control survival less than 80%
TSSalinity precision or accuracy exceeds laboratory control limit
TWWater quality parameters outside recommended test method ranges
TWNRequired water quality parameters not measured
TXPToxaphene results are based on a commercial Toxaphene mixture of unknown composition and therefore the concentrations listed in this report are estimated
UFCounts outside acceptable range.
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.
UKMLock mass interference present
ULMAnalyte detected in associated bottle blank check
UOLResult determined to be an outlier at the time of data validation
UPMField duplicate exceeds QC limit with results < 5 x RL. Absolute difference is > RL
VBBSample > 4x spike concentration, flagged by QAO
VBSInsufficient sample available to follow standard QC procedures, flagged by QAO
VBYSample received at improper temperature, flagged by QAO
VBZSample preserved improperly, flagged by QAO
VBZ15Sample not filtered within 15 minutes, flagged by QAO
VCResult was calculated by DMT when not provided for DNQ ResQualCode, value 1/2 distance between MDL and RL, flagged by QAO
VCJAnalyte concentration is in excess of the instrument calibration; considered estimated, flagged by QAO
VCOSample analyte concentration detectable but <5X blank concentration (contamination), flagged by QAO
VCQAnalyte concentration >10X blank concentration
VCRSample analyte concentration >5X blank concentration (True hit), flagged by QAO
VCSQC criteria not met due to analyte concentration near RL, flagged by QAO
VDEPA Flag - Analytes analyzed at a secondary dilution, flagged by QAO
VDGReporting limits elevated due to sample dilution, flagged by QAO
VEUMLCS/LCM recovery not within control limits, flagged by QAO
VFCLField calibration not performed within 24 hours before use, flagged by QAO
VFDPField duplicate RPD above QC limit;flagged by QAO
VFIFInstrument/Probe Failure, flagged by QAO
VFIRLInvalid RL, suspected laboratory transcription error, flagged by QAO
VGBMatrix spike recovery not within control limits, flagged by QAO
VGBCCRM recovery not within control limits, flagged by QAO
VGNSurrogate recovery not within control limits, flagged by QAO
VHHolding time violation occurred, flagged by QAO
VH24Holding time was > 24 hours for Bacteria tests only, flagged by QAO
VH8Holding time was > 8 hrs but < 24 hours for Bacteria tests only, flagged by QAO
VHBResult positively biased, flagged by QAO
VHSSpike analyte recovery is outside stated control limits, flagged by QAO
VILRPD exceeds control limit, flagged by QAO
VIPAnalyte detected in field or lab generated blank, flagged by QAO
VIP5Analyte detected in field or lab generated blank, >RL and >1/5 amount detected in associated environmental sample, flagged by QAO
VIPFAnalyte detected in field blank, data validation code, flagged by QAO
VIPMDL2Analyte detected in field or lab generated blank, >10% lowest detection in batch and >2.2x MDL, flagged by QAO
VIPMDL3Analyte detected in field or lab generated blank, >MDL and >30% lowest detection in batch, flagged by QAO
VIPRLAnalyte detected in field or lab generated blank, >RL, flagged by QAO
VIUPercent Recovery exceeds laboratory control limit, flagged by QAO
VJEstimated value - EPA Flag, flagged by QAO
VLBResult negatively biased, flagged by QAO
VLMQOData did not meet laboratory MQO, but met project MQO, flagged by QAO
VMA matrix effect is present, flagged by QAO
VNCAnalyte concentration not certifiable in Certified Reference Material, flagged by QAO
VNMDLNo Method Detection Limit reported from laboratory, flagged by QAO
VOLResult may be biased high due to carry over from prior analysis, flagged by QAO
VPJMResult from re-extract/re-anal to confirm original result, flagged by QAO
VPMQOData met laboratory MQO, but did not meet project MQO, flagged by QAO
VQQuestionable result, flagged by QAO
VQAXWhen the native sample for the MS/MSD or DUP is not included in the batch reported, flagged by QAO
VQCAQA/QC protocols were not met for accuracy, flagged by QAO
VQCPQA/QC protocols were not met for precision, flagged by QAO
VQNNo QA/QC performed or performed but not reported, used with historical data, Batch comment required
VRData rejected - EPA Flag, flagged by QAO
VREElevated reporting limits due to limited sample volume, flagged by QAO
VRELReporting limits elevated due to change in lab capabilities, flagged by QAO
VRILData rejected - RPD exceeds control limit, flagged by QAO
VRIPData rejected - Analyte detected in field or lab generated blank, flagged by QAO
VRIUData rejected - Percent Recovery exceeds laboratory control limit, flagged by QAO
VRVQData rejected - Based on professional judgement QA/QC protocols were not met, flagged by QAO
VSSample Receipt nonconformance, flagged by QAO
VSCRScreening level analysis, flagged by QAO
VTNCToo numerous to count, flagged by QAO
VTWWater quality parameters outside recommended test method ranges, flagged by QAO
VVQBased on professional judgement QA/QC protocols were not met, flagged by QAO
WESample filtered immediately upon receipt by the laboratory.
XIHydrocarbon response in motor oil range but does not resemble motor oil