| UV |
Laboratory is not accredited for this parameter. Certification Issue. |
| FN |
Large closely eluting peak cannot be separated from result |
| EU |
LCS is outside of acceptance limits. MS/DMS are accept., no corr. |
| RU |
LCS rec. within marginal exceedances, 3-4 s.d. around the mean. |
| LP |
LCS rec.above meth. control limits. Analyte ND. Data not impacted |
| LQ |
LCS recovery above method control limits. |
| LR |
LCS recovery below method control limits. |
| TW |
LCS recovery exceeds control limit. |
| WJ |
LCS target analytes within acceptance limits. |
| TX |
LCSD recovery exceeds control limit. |
| AK |
Lighter hydrocarbon than diesel |
| AT |
Lighter hydrocarbon than gasoline |
| PW |
Lighter hydrocarbons contributed to motor oil range quantitation |
| PZ |
Lighter hydrocarbons contributing to diesel range quantitation |
| XG |
Lighter than water immiscible sheen is present. |
| XE |
Liquid sample that contains greater than 5 volume % sediment. |
| HP |
Low concentration blank spike recovery out of limits |
| HN |
Low concentration matrix spike recovery out of limits |
| BE |
Low surrogate recovery; analyzed twice |
| AY |
Matrix interference suspected |
| QW |
Matrix is reductive; possible low bias in matrix/post spike. |
| EX |
Matrix spike diluted to not detectable during analysis |
| BC |
Matrix spike out of control, lab control sample within limits |
| GB |
Matrix spike recovery not within control limits |
| ON |
MDL raised due to matrix interference. |
| WZ |
Medium boling point pattern that does not match diesel. |
| FT |
Methanol extraction |
| DT |
Method detection limit elevated |
| IM |
Method does not include this analyte as part of compound list |
| EV |
Modified method; see narrative |
| IN |
Molecular wght of 100 used to convert VFH from mg/m3 to ppmv |
| LM |
MS and/or MSD above acceptance limits. See Blank Spike(LCS). |
| LN |
MS and/or MSD below acceptance limits. See Blank Spike(LCS). |
| LO |
MS and/or MSD result unavailable. Batch accept. based on LCS rec. |
| XN |
MS RPD Fail and Sample Size Diff >10%. |
| MA |
MS/MSD results unavail. due to failed CCV; batch accepted per LCS |
| XM |
MS/MSD RPD exceeds control limits due to sample size difference. |
| DM |
Multi-component hydrocarbon mixture |
| QS |
Must be analyzed in field to meet specified 15 min holding time. |
| WB |
No detectable levels of analyte in samples. |
| IX |
No Flash detected up to 200 degrees F |
| XA |
No recognizable pattern. |
| XZ |
No sample taken due to damaged probe. |
| YJ |
No sample was taken due to lack of access. |
| OG |
Non-aggressive |
| DA |
Non-fuel components excluded from the results calculation |
| LV |
Non-fuel pattern present. |
| YB |
Not Requested/Not Required. |
| QN |
Not to be reported for compliance purposes. |
| WY |
Oil range compounds are significant. |
| PK |
Opening calib verification standard outside acceptance criteria |
| PL |
Opening calib. for analyte out of limits due to instru. contam. |
| LC |
Original analysis a positive result. Reanalysis did not confirm. |
| XK |
Outside client's test acceptance limits, but within laboratory calculated QC limits. |
| IP |
Parameter detected in method, trip, or equipment blank |
| EZ |
Peak coelution, sample concentration may be artificially high |
| FA |
Peak coelution, sample concentration may be artificially low |
| QU |
Per EPA, benzidine subject to oxidative loss during solvent conc. |
| FM |
Poorly resolved GC peak(s) |
| OQ |
Positive - (+) |
| WD |
Positive result confirmed by a second detector. |
| XF |
Possible aged fuel. |
| PA |
Possible biogenic interference in detected hydrocarbons |
| PE |
Possible high bias due to CCV falling outside acceptance criteria |
| PF |
Possible low bias due to CCV falling outside acceptance criteria |
| QV |
Possibly aged gasoline. |
| GQ |
Post-digest. spike recov. 40% - 85% due to matrix interference |
| HR |
Post-digestion spike |
| GE |
Post-digestion spike out of control limits |
| GT |
Post-digestion spike recovery <40% due to matrix interference |
| GW |
Post-digestion spike recovery between 115%-150% |
| PR |
Preliminary result |
| OD |
Present |
| UO |
Presumed satisfactory |
| UX |
Primarily compounds not found in typical Gasoline. |
| PI |
Primary and confirm results varied by > than 40% RPD |
| RF |
Primary/confirm. results vary >40% RPD; res. may still be useful |
| PTV |
PTV = Purge Test Volume(s) |
| FW |
Purge volume 25 mL |
| FV |
Purge volume 5 mL |
| XW |
Purged |
| DB |
QA results outside of acceptance limits due to matrix effects |
| CS |
QC criteria not met due to analyte concentration near RDL |
| CT |
QC criteria not met due to high level of analyte concentration |
| CR |
QC criteria not met, sample re-analyzed with similar results |
| FB |
QC ion deviation > 20% relative to labeled std. used for quant. |
| DQ |
QC results not applicable because of sample matrix |
| DL |
Quantified using 30-weight motor oil standard |
| HA |
Quantit. of unknown hydrocarbon(s) in sample based on diesel |
| HB |
Quantit. of unknown hydrocarbon(s) in sample based on gasoline |
| QY |
Quantitated against a Stoddard solvent standard |
| LX |
Quantitated against diesel fuel. |
| LW |
Quantitated against gasoline. |
| GK |
Quantitated as an isomer pair |
| QCM |
Quantitation began immediately following methanol peak |
| QCA |
Quantitation begun immed. before RT of tert-Butanol (TBA) |
| FC |
Quantitative interference |
| PD |
Recommended storage temp of 4C exceeded prior to analysis |
| BA |
Relative percent difference out of control |
| OI |
Rep.limit raised: carryover from contam samp earlier in analy seq |