LNOTE
Name
Valid Value List
LNOTE NAME
DQ QC results not applicable because of sample matrix
DR Spiked amount less than five times background level
DS Batch Quality Assurance data from another project
DT Method detection limit elevated
DU Insufficient sample quantity for matrix spike/dup matrix spike
DV Corr. coef. for Method of Standard Addition is less than 0.995
DW Sample result is less than reported value
DX Value < lowest standard (MQL), but > than MDL
DY Compound identified is an analysis at a secondary dilution factor
DZ The positive result is an atypical pattern for diesel analysis
E EPA Flag - Analyte exceeded the concentration range of the GC/MS
EA The positive result is an atypical pattern for gasoline analysis
EB Value is estimated
EC Value determined by the Method of Standard Addition
ED Concentration of total analyte ND; therefore this analyte is ND
EF Compound quantitated at a different dilution
EG Compound quantitated at a 2x dilution factor
EH Compound quantitated at a 5x dilution factor
EI Compound quantitated at a 10x dilution factor
EJ Compound quantitated at a 20x dilution factor
EK Compound quantitated at a 50x dilution factor
EL Compound quantitated at a 100x dilution factor
EM Compound quantitated at a 200x dilution factor
EN Compound quantitated at a 500x dilution factor
EO Compound quantitated at a 1000x dilution factor
EP Compound quantitated at > 1000x dilution factor
EQ Holding time is 28 days by anal. NO3-NO2 on pres. split & sub NO2
ER Thiocyanate not analyzed separately, free CN+SCN below RL free C
ES Value undetected at the MDL
ET Sample was extracted past end of recommended max. holding time
EU LCS is outside of acceptance limits. MS/DMS are accept., no corr.
EV Modified method; see narrative
EW Surr. recovery outside of acceptance limits, spike recov. accept.
EX Matrix spike diluted to not detectable during analysis
EY Result exceeds normal dynamic range; reported as a min. est.
EZ Peak coelution, sample concentration may be artificially high
FA Peak coelution, sample concentration may be artificially low
FB QC ion deviation > 20% relative to labeled std. used for quant.
FC Quantitative interference
FD Interferences affect 10% or more of the total PCDD/PCDF peak area
FE Carbon-labeled int. std. with s/n ratio of < 10:1
FF S/N ratio 10:1 for the int. std. and assoc. analytes
FG Results rejected due to int. std. rec. outside QC limits
FH Results are valid even though int. std. rec. outside QC limits
FI Analyte in field sample and associated blank
FJ Total DPE contribution to the total PCDF value > 10%
FK EMPC values could be overestimated due to coelution
FL Int. std. ion-abundance ratio measured out of accept. range
FM Poorly resolved GC peak(s)
FN Large closely eluting peak cannot be separated from result
FO Est. maximum possible concentration (EMPC)
FP Extractable hydrocarbons
FQ Gasoline range organics calculated as JP-4 jet fuel
FR Diesel range organics, calculated as JP-4 jet fuel
FS Diesel range organics, as diesel
FT Methanol extraction
FU Heated purge
FV Purge volume 5 mL
FW Purge volume 25 mL
FX Analyte present in the instrument blank
FY Chromatogram not typical of calibration standard
FZ Identified by MS only; based on 1:1 response w/ internal stnd.
GA Components not separable by this method; quantified together
GB Matrix spike recovery not within control limits
GC Second column confirmation performed
GD Secondary column result
GE Post-digestion spike out of control limits
GF Sample absorbance is less than 50% of spike absorbance
GG Analytical results not reliable for this common lab contaminant
GH Reporting limit must be considered an approximation
GI Analyte confirmed by GC/MS
GJ Result determined using SIM mode
GK Quantitated as an isomer pair
GL 2,3,7,8-TCDF results have been confirmed on a DB-225 column
GM Result calc. by avg. response factor from init. calib. curve
GN Surrogate recovery is outside of control limits
GO Result est. below lower calib. limit but above target limit
GP Duplicate analysis not within control limits
GQ Post-digest. spike recov. 40% - 85% due to matrix interference
GR Internal standard recovery is outside method recovery limit
GS Reporting limit(s) raised: high level target analyte in sample
GT Post-digestion spike recovery <40% due to matrix interference
GU >10% breakthrough in second carbon col. due to matrix effects
GV Result detected is below the lowest standard and above zero
GW Post-digestion spike recovery between 115%-150%
GX All reporting limits raised due to high conc. dissolved solids
GY Analyte assoc. with sample processing & analysis in lab environ.
GZ Secondary ion used for quantitation
H A holding time violation has occurred.
HA Quantit. of unknown hydrocarbon(s) in sample based on diesel
HB Quantit. of unknown hydrocarbon(s) in sample based on gasoline
HC Analyte is this compound or an isomer
HD Chromat. profile inconsistent with pattern(s) of ref. fuel stnds.
HE Extract was run through separation method; see case narrative
HF SW3630B clean-up method performed
HG Result exceeds calib. range, but not lab's; considered valid
HH Result exceeds linear range; concentration may be understated
HI SW3611B clean-up method performed
HJ Blank spike recovery not within control limits
HK Calcium carbonate is greater than 5% of the sample weight

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