| OR |
Heterotrophic bacteria colonies too numerous to count. |
| OS |
Amount detected is less than the Lower Calibration Limit |
| OT |
Sample spiked had pH <2, 2-Chloroethylvinylether degrades in acid |
| OU |
Sample diluted due to matrix inference. Reporting limits raised. |
| OV |
Sample filtered in lab. |
| OW |
Value is the result of an unidentified peak in the TPH Gas range. |
| OX |
Surrogate recorvery high due to matrix effects-refer to 2nd surr |
| OZ |
Value is MTBE concentration present in the TPH Gas range. |
| P |
EPA Flag - > 25% D for detected concentrations between 2 columns |
| PA |
Possible biogenic interference in detected hydrocarbons |
| PB |
The sample flash point is greater than 60 C (140 F) |
| PC |
Sample taken from VOA vial with air bubble > 6mm diameter |
| PD |
Recommended storage temp of 4C exceeded prior to analysis |
| PE |
Possible high bias due to CCV falling outside acceptance criteria |
| PF |
Possible low bias due to CCV falling outside acceptance criteria |
| PG |
The CC standard was outside of the acceptance criteria |
| PI |
Primary and confirm results varied by > than 40% RPD |
| PJ |
Result from re-extract/re-anal to confirm original MS/MSD result |
| PK |
Opening calib verification standard outside acceptance criteria |
| PL |
Opening calib. for analyte out of limits due to instru. contam. |
| PM |
Closing calib. for analyte out of limits due to instru. contam. |
| PN |
Closing calib outside limits-ave %diff for analytes met 15% req. |
| PO |
Dilutions for BOD failed criteria of 1mg/L resid. diss. O |
| PP |
Dilutions for BOD failed criteria of 2mg/L diss. O depletion |
| PQ |
Analyte detectable in MB, but less than 5% of sample result |
| PR |
Preliminary result |
| PS |
Heavier hydrocarbon than requested fuel |
| PT |
Hydrocarb. in req. fuel range, but doesn't resemble req. fuel |
| PTV |
PTV = Purge Test Volume(s) |
| PU |
Analyte detected in blank but not in associated samples |
| PV |
Hydrocarbon result partly due to individ. peak(s) in quant. range |
| PW |
Lighter hydrocarbons contributed to motor oil range quantitation |
| PX |
Sample extrctd beyond method hold time; within CA LUFT hold time |
| PY |
SW3630C clean-up method performed |
| PZ |
Lighter hydrocarbons contributing to diesel range quantitation |
| QB |
Unidentified hydrocarbons C9-C16 |
| QCA |
Quantitation begun immed. before RT of tert-Butanol (TBA) |
| QCM |
Quantitation began immediately following methanol peak |
| QD |
Chromatographic pattern does not resemble fuel standard |
| QE |
Results in the diesel range are primarily from overlap heavy oil |
| QF |
Analyte recovery outside critera |
| QG |
Individual analyte exceedances allowed per NELAC |
| QM |
Result is reported below the CRDL for QC purposes only. |
| QN |
Not to be reported for compliance purposes. |
| QO |
Compound did not meet ID guidelines. Addit. GC/MS ID params used. |
| QP |
Holding Time Immediate. Analyzed as close to receipt as possible |
| QQ |
Analyte found in travel blank but not in associated samples. |
| QR |
Reported from a secondary dilution (to get result on scale). |
| QS |
Must be analyzed in field to meet specified 15 min holding time. |
| QT |
TUa = 0.0 |
| QU |
Per EPA, benzidine subject to oxidative loss during solvent conc. |
| QV |
Possibly aged gasoline. |
| QW |
Matrix is reductive; possible low bias in matrix/post spike. |
| QX |
This test was perfornmed in the field, not in the laboratory. |
| QY |
Quantitated against a Stoddard solvent standard |
| QZ |
Sample collected in tedlar bag. |
| R |
EPA Flag - Data rejected |
| RA |
RPD exceeds limit due to matrix interf.; % recovs. within limits |
| RB |
RPD exceeded method control limit; % recoveries within limits. |
| RC |
RPD useless info due to varying samp. wghts using Encore sampler |
| RD |
Sample diluted: high level non-target analytes due to elev. RL |
| RE |
Elevated reporting limits due to limited sample volume |
| RF |
Primary/confirm. results vary >40% RPD; res. may still be useful |
| RG |
Estimated result. Result is < RL and > or equal to IDL. |
| RH |
The reporting limit is elevated due to high analyte levels. |
| RI |
The method blank contains the analyte at a reportable level |
| RJ |
Contract limits originate from BP LaMP Technical Requirements |
| RK |
Sample diluted due to high concentration of MTBE. |
| RQ |
Spike recovery not calculated due to high conc. of analyte. |
| RS |
Gasoline/Diesel used as carbon source for degrading bacteria. |
| RT |
Sterile Water |
| RU |
LCS rec. within marginal exceedances, 3-4 s.d. around the mean. |
| RV |
Surr. recovery outside of control limits due to required dilution |
| RW |
Chrom. pattern matches std. but lighter hydrocarbs. also present |
| RX |
Chrom. pattern matches std. but heavier hydrocarbs. also present |
| RY |
Standard Instrument related QC exceeds the control limits. |
| RZ |
4-BFB is outside acceptance limits. All other QC parameters in control, therefore data was approved. |
| SA |
SW3665 clean-up method performed |
| SB |
SW3620 clean-up method performed |
| SC |
SW3640 clean-up method performed |
| SG |
A silica gel cleanup procedure was performed. |
| SN |
See narrative and/or special notes. |
| T5 |
<100g avail for TCLP extrctn-vol of extrct adjusted per procd |
| TA |
Sample container received with headspace. |
| TB |
Conc. could not be determined due to high dissolved solids conc. |
| TC |
Total Weight Percent Adjusted |
| TD |
Hydrocarbon reported does not match the pattern of Diesel standard |
| TE |
Hydrocarbon reported does not match the pattern of Gasoline standard |
| TF |
The quantitation limit has been raised due to exhibited elevated noise or matrix interference. |
| TG |
Ion Ratio outside of limits, value is estimated maximum possible concentration (EMPC). |
| TH |
The sample minimum detectable concentration (MDC) is greater than the requested reporting limit (RL) |
| TJ |
Tracer exceeds control limit due to very low tracer value. |
| TO |
Value off the electronic scale of detector. |
| TV |
Sample was not taken due to high vacuum. |
| TW |
LCS recovery exceeds control limit. |
| TX |
LCSD recovery exceeds control limit. |
| TY |
Estimated due to discrepancies meeting analyte-specific QC criteria. Dual Column %Diff over limit. |
| TZ |
Carrier exceeds control limit. |
| U |
EPA Flag - Compound was analyzed for, but was not detected |
| UA |
Average. |