WH |
Sample composited in laboratory at client request. |
QZ |
Sample collected in tedlar bag. |
UQ |
Sample analyzed by EPA 200.8 using a dynamic reaction cell. |
BU |
Sample analyzed after holding time expired |
XV |
Sample acidified to pH <2 and allowed to sit 24 hours before further processing. |
GF |
Sample absorbance is less than 50% of spike absorbance |
BB |
Sample > 4x spike concentration |
FF |
S/N ratio 10:1 for the int. std. and assoc. analytes |
RC |
RPD useless info due to varying samp. wghts using Encore sampler |
RA |
RPD exceeds limit due to matrix interf.; % recovs. within limits |
IL |
RPD exceeds laboratory control limit |
RB |
RPD exceeded method control limit; % recoveries within limits. |
LT |
RPD calc. does not provide useful info due to sample wt variation |
UM |
Reviewed and accepted |
FG |
Results rejected due to int. std. rec. outside QC limits |
QE |
Results in the diesel range are primarily from overlap heavy oil |
FH |
Results are valid even though int. std. rec. outside QC limits |
IA |
Results are valid even though CCV recovery outside of limits |
OC |
Result not bracketed by accept.cal check due to inst. malfunction |
OL |
Result may be biased high due to carry over from prior analysis. |
QM |
Result is reported below the CRDL for QC purposes only. |
PJ |
Result from re-extract/re-anal to confirm original MS/MSD result |
EY |
Result exceeds normal dynamic range; reported as a min. est. |
HH |
Result exceeds linear range; concentration may be understated |
HG |
Result exceeds calib. range, but not lab's; considered valid |
GO |
Result est. below lower calib. limit but above target limit |
GJ |
Result determined using SIM mode |
UJ |
Result determined by alternate method. |
GV |
Result detected is below the lowest standard and above zero |
GM |
Result calc. by avg. response factor from init. calib. curve |
UY |
Reporting limits raised due to loss of instrument response. |
BG |
Reporting limits raised due to interelement interference |
BH |
Reporting limits raised due to high level of non-target analytes |
BF |
Reporting limits raised due to high hydrocarbon background |
DG |
Reporting limits elevated due to sample dilution |
DF |
Reporting limits elevated due to matrix interferences |
CM |
Reporting limits elevated due to low percent solids |
DH |
Reporting limits elevated due to insufficient sample quantity |
GS |
Reporting limit(s) raised: high level target analyte in sample |
GH |
Reporting limit must be considered an approximation |
YK |
Reporting limit increased due to sample foaming. |
IS |
Reporting limit elevated due to pres. of analyte in method blank |
QR |
Reported from a secondary dilution (to get result on scale). |
OH |
Report limit raised due to inadequate response at lowest cal. |
OI |
Rep.limit raised: carryover from contam samp earlier in analy seq |
BA |
Relative percent difference out of control |
PD |
Recommended storage temp of 4C exceeded prior to analysis |
FC |
Quantitative interference |
QCA |
Quantitation begun immed. before RT of tert-Butanol (TBA) |
QCM |
Quantitation began immediately following methanol peak |
GK |
Quantitated as an isomer pair |
LW |
Quantitated against gasoline. |
LX |
Quantitated against diesel fuel. |
QY |
Quantitated against a Stoddard solvent standard |
HB |
Quantit. of unknown hydrocarbon(s) in sample based on gasoline |
HA |
Quantit. of unknown hydrocarbon(s) in sample based on diesel |
DL |
Quantified using 30-weight motor oil standard |
DQ |
QC results not applicable because of sample matrix |
FB |
QC ion deviation > 20% relative to labeled std. used for quant. |
CR |
QC criteria not met, sample re-analyzed with similar results |
CT |
QC criteria not met due to high level of analyte concentration |
CS |
QC criteria not met due to analyte concentration near RDL |
DB |
QA results outside of acceptance limits due to matrix effects |
XW |
Purged |
FV |
Purge volume 5 mL |
FW |
Purge volume 25 mL |
PTV |
PTV = Purge Test Volume(s) |
RF |
Primary/confirm. results vary >40% RPD; res. may still be useful |
PI |
Primary and confirm results varied by > than 40% RPD |
UX |
Primarily compounds not found in typical Gasoline. |
UO |
Presumed satisfactory |
OD |
Present |
PR |
Preliminary result |
GW |
Post-digestion spike recovery between 115%-150% |
GT |
Post-digestion spike recovery <40% due to matrix interference |
GE |
Post-digestion spike out of control limits |
HR |
Post-digestion spike |
GQ |
Post-digest. spike recov. 40% - 85% due to matrix interference |
QV |
Possibly aged gasoline. |
PF |
Possible low bias due to CCV falling outside acceptance criteria |
PE |
Possible high bias due to CCV falling outside acceptance criteria |
PA |
Possible biogenic interference in detected hydrocarbons |
XF |
Possible aged fuel. |
WD |
Positive result confirmed by a second detector. |
OQ |
Positive - (+) |
FM |
Poorly resolved GC peak(s) |
QU |
Per EPA, benzidine subject to oxidative loss during solvent conc. |
FA |
Peak coelution, sample concentration may be artificially low |
EZ |
Peak coelution, sample concentration may be artificially high |
IP |
Parameter detected in method, trip, or equipment blank |
XK |
Outside client's test acceptance limits, but within laboratory calculated QC limits. |
LC |
Original analysis a positive result. Reanalysis did not confirm. |
PL |
Opening calib. for analyte out of limits due to instru. contam. |
PK |
Opening calib verification standard outside acceptance criteria |
WY |
Oil range compounds are significant. |
QN |
Not to be reported for compliance purposes. |
YB |
Not Requested/Not Required. |
LV |
Non-fuel pattern present. |
DA |
Non-fuel components excluded from the results calculation |
OG |
Non-aggressive |