| SampleTypeCode | SampleTypeDescr |
| Algae_eDNA | Benthic algae eDNA sample |
| BlankSp | Blank matrix spiked with analytes of interest, created in the laboratory |
| BottleBlank | An analyte-free water sample prepared in the lab and used to evaluate potential contamination due to sample container or lab cleaning methods. |
| CCB | Continuous Calibration Blank |
| CCV | Continuous Calibration Verification |
| CNDL | Negative Control Dilution |
| CNEG | Clean water or sediment free of contaminants or test material used to determine test acceptability and as a baseline for gauging adverse effects among animals exposed to treatments. |
| CNPH | Clean water, sediment, or test material that is free of contaminants and has been altered to reflect the pH of a particular sample. CNPH are prepared to control for the potential effects of high or low pH on test organisms. |
| CNSL | Clean water, sediment or test material free of contaminants that has been altered to reflect the salinity or conductivity of a particular sample. CNSL are prepared to control for the potential effects of the salinity or conductivity on test organisms |
| CompBLDup | Composite Blind Duplicate |
| Composite | Used for Tissue Samples regardless of whether composite has one or more than one organism |
| CPOS | Positive Control |
| CRM | Homogeneous matrix that closely matches samples being analyzed with certified concentrations of analytes of interest purchased by the laboratory. |
| DIBlank | performed to check contamination in DI Water – water not from analyzing lab |
| Epiphyte | Used for the epiphyte fraction of an algae bioassessment taxonomy sample. |
| EquipBlank | Clean water pumped through new equipment, cleaned equipment after contamination, equipment for non-surface water, new lot of filters (metals), preserved (if appl.) and analyzed.Sample comment required:Type of equipment, where taken (lab or field) |
| FieldBlank | Clean water taken to field, transferred to container, preserved (if appropriate) and treated same as corresponding sample type during the sampling event. |
| FieldBLDup | Field Blind Duplicate |
| FieldBLDup_Grab | Field Blind Duplicate of a grab sample |
| FieldBLDup_Int | Field Blind Duplicate of an integrated sample |
| FieldBLDup_Split | Field Blind Duplicatesample collected and then split to two separate jars |
| FieldExpos | A QA sample collected and left in the field for an extended period of time to test for changes in analyte concentration. Sample comment required for duration of exposure time |
| FieldSp | Environmental or blank sample spiked with analytes of interest, created by the sampling crew or by submitting agency for its subcontracted lab |
| FieldSplit | Single sample collected and then split to two separate jars |
| FilterBlank | Clean water that is filtered in the same manner and through the same filter apparatus used for the sample. |
| Grab | Single sample |
| ICB | Initial Calibration Blank |
| ICV | Initial Calibration Verification |
| Integrated | Combined from multiple samples |
| IntegratedSplit | Combined from multiple collections into one sample then split into separate subsamples |
| Invertebrate_eDNA | Benthic invertebrate DNA sample |
| LabBlank | Processed through the entire analytical procedure in a manner identical to the samples. |
| LCS | Aliquot of a reference matrix fortified (spiked) with known quantities of specific compounds and subjected to the entire analytical procedure to determine the accuracy of the method by measuring recovery |
| Macroalgae | Used for the macroalgal fraction of an algae bioassessment taxonomy sample. |
| Microalgae | Used for the microalgal fraction of an algae bioassessment taxonomy sample. |
| MS1 | Matrix spike and matrix spike duplicate |
| MS2 | Matrix spike for Field Duplicate |
| MS3 | Matrix spike for Field Triplicate |
| MSBLBlank | Matrix spike for Blind Field Blank |
| MSBLDup | Matrix spike for FieldBlind Duplicate |
| Not Recorded | Not recorded |
| PCR_Blank | PCR Blank. PCR reagents with DNA-free water used to check for contamination in PCR analyses. |
| PCR_Extraction_Blank | PCR Extraction Blank. DNA-free water is filtered and extracted with reagents to check for contamination in the filtration/extraction process. |
| PreservBlank | Performed to check preservative prior to mixing with sample |
| Qualitative | Used for qualitative sampling where quantitative sample information is not expected |
| RFST | Reference Stations have similar physical characteristics to monitoring stations, but contain low or non-detectable concentrations of contaminants. Used for statistical & biological comparisons to determine magnitude of toxicity in monitoring stations. |
| Sediment_eDNA | Sediment DNA sample |
| Trash | TrashAssessment |
| TravelBlank | Clean water transported to site, handled like sample (never opened), and returned to lab for analysis. |
| Unspikedsample | Unspiked environmental sample |
| Water_eDNA | Water DNA sample |