| FJ |
Total DPE contribution to the total PCDF value > 10% |
| FI |
Analyte in field sample and associated blank |
| FH |
Results are valid even though int. std. rec. outside QC limits |
| FG |
Results rejected due to int. std. rec. outside QC limits |
| FF |
S/N ratio 10:1 for the int. std. and assoc. analytes |
| FE |
Carbon-labeled int. std. with s/n ratio of < 10:1 |
| FD |
Interferences affect 10% or more of the total PCDD/PCDF peak area |
| FC |
Quantitative interference |
| FB |
QC ion deviation > 20% relative to labeled std. used for quant. |
| FA |
Peak coelution, sample concentration may be artificially low |
| EZ |
Peak coelution, sample concentration may be artificially high |
| EY |
Result exceeds normal dynamic range; reported as a min. est. |
| EX |
Matrix spike diluted to not detectable during analysis |
| EW |
Surr. recovery outside of acceptance limits, spike recov. accept. |
| EV |
Modified method; see narrative |
| EU |
LCS is outside of acceptance limits. MS/DMS are accept., no corr. |
| ET |
Sample was extracted past end of recommended max. holding time |
| ES |
Value undetected at the MDL |
| ER |
Thiocyanate not analyzed separately, free CN+SCN below RL free C |
| EQ |
Holding time is 28 days by anal. NO3-NO2 on pres. split & sub NO2 |
| EP |
Compound quantitated at > 1000x dilution factor |
| EO |
Compound quantitated at a 1000x dilution factor |
| EN |
Compound quantitated at a 500x dilution factor |
| EM |
Compound quantitated at a 200x dilution factor |
| EL |
Compound quantitated at a 100x dilution factor |
| EK |
Compound quantitated at a 50x dilution factor |
| EJ |
Compound quantitated at a 20x dilution factor |
| EI |
Compound quantitated at a 10x dilution factor |
| EH |
Compound quantitated at a 5x dilution factor |
| EG |
Compound quantitated at a 2x dilution factor |
| EF |
Compound quantitated at a different dilution |
| ED |
Concentration of total analyte ND; therefore this analyte is ND |
| EC |
Value determined by the Method of Standard Addition |
| EB |
Value is estimated |
| EA |
The positive result is an atypical pattern for gasoline analysis |
| E |
EPA Flag - Analyte exceeded the concentration range of the GC/MS |
| DZ |
The positive result is an atypical pattern for diesel analysis |
| DY |
Compound identified is an analysis at a secondary dilution factor |
| DX |
Value < lowest standard (MQL), but > than MDL |
| DW |
Sample result is less than reported value |
| DV |
Corr. coef. for Method of Standard Addition is less than 0.995 |
| DU |
Insufficient sample quantity for matrix spike/dup matrix spike |
| DT |
Method detection limit elevated |
| DS |
Batch Quality Assurance data from another project |
| DR |
Spiked amount less than five times background level |
| DQ |
QC results not applicable because of sample matrix |
| DP |
Detected at or above the MRL; refer to reports |
| DO |
Coelution |
| DNQ |
Detected, Not Quantified |
| DN |
2-Sigma Error |
| DM |
Multi-component hydrocarbon mixture |
| DL |
Quantified using 30-weight motor oil standard |
| DK |
TIC identification based on RT and mass fragmentation pattern |
| DJ |
TIC identification based on mass fragmentation pattern only |
| DI |
The estimated TIC conc. is < the standard method reporting limit |
| DH |
Reporting limits elevated due to insufficient sample quantity |
| DG |
Reporting limits elevated due to sample dilution |
| DF |
Reporting limits elevated due to matrix interferences |
| DE |
Toxic interferences suspected |
| DD |
A precipitate formed in the extract during sample preparation |
| DC |
Sample produced an emulsion during preparation |
| DB |
QA results outside of acceptance limits due to matrix effects |
| DA |
Non-fuel components excluded from the results calculation |
| D |
EPA Flag - Analytes analyzed at a secondary dilution |
| CZ |
Homogeneity could not be readily achieved using routine methods |
| CY |
Analysis was performed on a deionized water extract |
| CX |
Analysis was performed on a 0.01N HCl extract |
| CW |
Carbonate alkalinity is zero because the sample's pH is < 8.3 |
| CV |
Analysis was performed on a 2M KCl extract |
| CU |
Surrogate concentration diluted to not detectable during analysis |
| CT |
QC criteria not met due to high level of analyte concentration |
| CS |
QC criteria not met due to analyte concentration near RDL |
| CRF |
Calibration Response Factor |
| CR |
QC criteria not met, sample re-analyzed with similar results |
| CQA |
Concentration not reported for QA sample only Percent Recovery or RPD reported. |
| CQ |
Analyte conc. greater that 10 times the blank conc. |
| CP |
Analyte conc. detectable, but less than 10 times blank conc. |
| CO |
Hydrocarbon response in gasoline range but does not resemble gas |
| CN |
Hydrocarbon response in diesel range but does not resemble diesel |
| CM |
Reporting limits elevated due to low percent solids |
| CL |
Initial analysis within holding time but required dilution |
| CK |
Initial analysis within holding time but failed QA/QC criteria |
| CJ |
Analyte concentration is in excess of the instrument calibration |
| CI |
See narrative |
| CH |
Sample releases strong petroleum odor |
| CG |
Sample releases strong solvent odor |
| CF |
Sample releases strong sulfur odor |
| CE |
Sample not homogeneous |
| CD |
Sample contains multiple phases |
| CC |
Sample contains free product |
| CB |
Sample contains floculant material |
| CAL |
Calculated Value |
| CA |
Sample contains white precipitate |
| C |
EPA Flag - Pesticide result confirmed using GC/MS |
| BZ |
Sample preserved improperly |
| BY |
Sample received at improper temperature |
| BX |
Sample stored at improper temperature |
| BW |
Sample extract analyzed after holding time expired |
| BV |
Sample received after holding time expired |
| BU |
Sample analyzed after holding time expired |