| Sample identification |
|---|
| rec_no | A sequential record number assigned during reformatting process |
| prime_id | Primary laboratory sample identification number |
| replc | Replicate code |
| doelab | Department of Energy (DOE) laboratory responsible for collecting and analyzing the sample |
| laslid | Los Alamos Scientific Laboratory site identification number |
| ornlid | Oak Ridge Gaseous Diffusion Plant sample number |
| srlid | Savannah River Laboratory sample number |
| lllid | Lawrence Livermore Laboratory sample number |
| site | Additional site number (Definition of field varies slightly with lab responsible for the sample) |
| Geographic location |
|---|
| latitude | Latitude in decimal degrees (NAD27, Clarke 1866) |
| longitude | Longitude in decimal degrees (negative = west; NAD27, Clarke 1866) |
| state | State in which the sample was collected (Post office abbreviation) |
| quad | The name of the USGS 1° by 2° quadrangle in which the sample was reported collected |
| mapcode | Alphanumeric NTMS map code for the USGS 1° by 2° quadrangle (incompletely populated and not diagnostic) |
| fips | FIPS code of county and state calculated from geographic coordinates |
| huc8 | 8-Digit Hydrologic Unit Code calculated from geographic coordinates |
| ls_map | Hierarchical code that identifies different scale USGS quadrangles calculated from geographic coordinate |
| study | A code that identifies the Pilot/Orientation study or Detailed Study for which the sample was collected |
| phase | Sampling phase |
| strbasin | Drainage basin identification number and stream order |
| b_lat_c | Latitude of basin centroid |
| b_long_c | Longitude of basin centroid |
| coordprb | Comments added during the reformatting process to document problems specifically with latitude and longitude coordinates in the |
| Processing information |
|---|
| specms | An indicator for when special measurements were recorded for a sample site |
| tapedata | Tape release data |
| analdate | Date on which the multielement analysis was completed |
| batch_es | ORGDP analytical laboratory batch number for multielement emission spectroscopy analyses |
| asbatch | ORGDP analytical laboratory batch number for arsenic and selenium analyses |
| clbatch | ORGDP analytical laboratory batch number for chlorine and sulfate analyses |
| no3batch | ORGDP analytical laboratory batch number for nitrate analyses |
| po4batch | ORGDP analytical laboratory batch number for orthophosphate analyses |
| rnbatch | ORGDP analytical laboratory batch number for radon analyses |
| henbatch | ORGDP analytical laboratory batch number for helium/neon ratios |
| ubatch_dn | ORGDP analytical laboratory batch number for delayed neutron counting uranium analyses |
| ubatch_fl | ORGDP analytical laboratory batch number for fluorescence spectroscopy uranium analyses |
| ubatch_ms | ORGDP analytical laboratory batch number for mass spectrometry uranium analyses |
| tapefile | The original NURE tape name and file number used as the primary source of information for each record |
| reformat | Comments added during the reformatting process to document problems, changes, additions, and data sources in the record |
| Sample characteristics |
|---|
| samptyp | Sample type code that identifies the source, medium, and treatment of the sample |
| rec_cnt | Multiple record counter that was incremented for additional records on a single sample |
| sampsrc | Source of the sample that was collected and analyzed as derived from the SAMPTYP code |
| smptreat | Field treatment of water samples with respect to acidification and filtering |
| osamptyp | ORGDP sample type and sample source classification |
| lsamptyp | ORGDP Laboratory sample type classification |
| wtrtreat | Water sample treatment (apparently field pre-treatment information) |
| sampdat | Sample collection date, reformatted to YYYY/MM/DD |
| samphr | Sample collection time rounded to the nearest whole hour (24-hour clock) |
| sampler | Sampler initials or sampling team number (Definition of field varies slightly with lab responsible for the sample) |
| grabs | Number of grabs or subsamples collected at a site to composite the sample |
| Site characteristics |
|---|
| weather | A description of the prevalent weather conditions at the time of sampling |
| airtemp | The air temperature measured at the sample site, reported in degrees Celsius |
| wtrtemp | The water temperature measured at the sample site, reported in degrees Celsius |
| ph | The pH of water at the site as determined by a pH meter |
| ph_loion | The pH of water at the site as determined by Lo-Ion paper |
| cond | The specific conductance measured in water at the site with a conductivity meter (in µmhos/cm) |
| labcond | The specific conductance measured in the water sample at the laboratory (in µmhos/cm) |
| alk | Field measurement of the total alkalinity in water at the site (Definition, method, and reporting unit varies by lab) |
| alkp | Field measurement of phenolphthalein alkalinity in water at the site (Definition and reporting unit varies by lab) |
| alkm | Field measurement of ALKP plus remaining alkalinity in water at the site to get approximate total alkalinity (reporting units no |
| o_diss | Amount of oxygen dissolved in water at site, reported in ppm |
| scin | Scintillometer measurement of the local gamma-ray activity at a sample site, expressed as equivalent uranium in ppm |
| orgn_pct | Field estimate of the percentage of organic material present in the sample |
| sampodor | An indication of any odor from the sampled material |
| smpcolr | Color of sample material collected |
| sgeounit | A two to four letter code that designates the formation name or the age of the surface bedrock at the sampling site |
| rocktyp | The predominant type of surficial bedrock in the vicinity of the sample site |
| rockclr | Dominant color of local bedrock exposures |
| sedtype | Type of dominant bed material or loose sediment at the sample site |
| sedcolr | Dominant color of loose sediment at sample site |
| strwdth | Estimated width of the stream at the sample site, in meters |
| strwdthc | Estimated width range (in feet) of the stream at the sample site |
| strdpth | Estimated depth of the stream at the sample site, in meters |
| strdpthc | Estimated depth range (in feet) of the stream at the sample site |
| wtrlevel | A field judgement of the water level at the sample site |
| strflow | The average velocity of the stream flow reported in meters/second |
| strflowc | A field judgement of the stream flow velocity at the sample site |
| wtrdchrg | The discharge rate of the well or spring, in liters/minute |
| wtrcolr | Amount and type of dissolved or suspended load in water at the site based on its color or appearance |
| vsbldpth | Depth of visibility estimated from water collected in a liter bottle and reported in meters |
| strchanl | A field judgement of the stream channel depositional character at the sample site when the sample was collected |
| vegtype | Dominant type of vegetation in the area of the sampled location |
| vegdens | Density of plant cover at the sample site |
| relief | An estimate of the relief or difference in elevation in the vicinity of the sample site (reported as a range in meters) |
| contamc | A field judgement of possible contaminant sources or major activities near the sample site |
| wellpump | Type of pump used to draw water from the sampled well |
| welltype | Type of well that was sampled |
| welluse | Primary use of well |
| welluse2 | Most typical use of well water |
| wellfreq | Frequency of well pumping or use |
| wlsmploc | An indication of where in the water system a well water sample was collected |
| wldist_m | An estimate of the distance from the well head to the location where the sample was collected, in meters |
| wellpipe | Composition of the pipe from which the well water sample was collected |
| wellcase | Composition of the well casing below the water table |
| welldiam | Inside diameter of the well casing, in inches |
| welldpth | Total drilled depth of well from the surface, in feet |
| wldptsrc | Source of total well depth (WELLDPTH) information |
| wldptcnf | An indication of the confidence in the accuracy of the total well depth (WELLDPTH) information |
| wwtrdpth | Depth from the ground surface to the water level in a well, in feet |
| wlprdpth | Depth from the ground surface to the top of the producing horizon in the well, in feet |
| wlpdsrc | Source of information for the depth to top of producing horizon (WLPRDPTH) information |
| wlpdcnf | An indication of the confidence in the accuracy of the depth to top of producing horizon (WLPRDPTH) information |
| wellage | Age of the sampled well recorded to the nearest whole year |
| wlagecnf | An indication of the confidence in the accuracy of the well age (WELLAGE) information |
| punit | A 2 to 4 letter code that designates the formation name, aquifer name, or the age of the producing unit |
| punitsrc | Source of producing horizon geologic unit (PUNIT) information |
| punitcnf | An indication of the confidence in the accuracy of the producing horizon geologic unit (PUNIT) identification |
| comments | Sample collector's comments |
| comment2 | Sample collector's comments (continued) |
| Chemical analysis |
|---|
| u_xx_mthd | Analytical method code for extra or multiple uranium analyses (U_XX_PPM or U_XX_PPB) |
| u_xx_ppb | Concentration of uranium in water, in parts per billion, determined by an extra or multiple uranium analysis |
| u_dn_ppb | Concentration of uranium in water, in parts per billion, determined by delayed neutron counting |
| u_fl_ppb | Concentration of uranium in water, in parts per billion, determined by fluorescence spectroscopy |
| u_ms_ppb | Concentration of uranium in water, in parts per billion, determined by mass spectrometry |
| ag_ppb | Concentration of silver in water, in parts per billion |
| al_ppb | Concentration of aluminum in water, in parts per billion |
| as_ppb | Concentration of arsenic in water, in parts per billion |
| b_ppb | Concentration of boron in water, in parts per billion |
| ba_ppb | Concentration of barium in water, in parts per billion |
| be_ppb | Concentration of beryllium in water, in parts per billion |
| br_ppb | Concentration of bromide ions in water, in parts per billion |
| ca_ppm | Concentration of calcium in water, in parts per million |
| cd_ppb | Concentration of cadmium in water, in parts per billion |
| ce_ppb | Concentration of cerium in water, in parts per billion |
| cl_ppm | Concentration of chloride ions in water or sediments, in parts per million |
| co_ppb | Concentration of cobalt in water, in parts per billion |
| cr_ppb | Concentration of chromium in water, in parts per billion |
| cu_ppb | Concentration of copper in water, in parts per billion |
| dy_ppb | Concentration of dysprosium in water, in parts per billion |
| f_ppb | Concentration of fluoride ions in water, in parts per billion |
| fe_ppb | Concentration of iron in water, in parts per billion |
| he_ppm | Concentration of helium in water, in parts per million |
| k_ppm | Concentration of potassium in water, in parts per million |
| li_ppb | Concentration of lithium in water, in parts per billion |
| mg_ppm | Concentration of magnesium in water, in parts per million |
| mn_ppb | Concentration of manganese in water, in parts per billion |
| mo_ppb | Concentration of molybdenum in water, in parts per billion |
| na_ppm | Concentration of sodium in water, in parts per million |
| nb_ppb | Concentration of niobium in water, in parts per billion |
| ni_ppb | Concentration of nickel in water, in parts per billion |
| p_ppb | Concentration of phosphorus in water, in parts per billion |
| pb_ppb | Concentration of lead in water, in parts per billion |
| sc_ppb | Concentration of scandium in water, in parts per billion |
| se_ppb | Concentration of selenium in water, in parts per billion |
| si_ppm | Concentration of silicon in water, in parts per million |
| sr_ppb | Concentration of strontium in water, in parts per billion |
| th_ppb | Concentration of thorium in water, in parts per billion |
| ti_ppb | Concentration of titanium in water, in parts per billion |
| v_ppb | Concentration of vanadium in water, in parts per billion |
| y_ppb | Concentration of yttrium in water, in parts per billion |
| zn_ppb | Concentration of zinc in water, in parts per billion |
| zr_ppb | Concentration of zirconium in water, in parts per billion |
| meth_ppm | Concentration of methane in water, in parts per million |
| eth_ppm | Concentration of ethane in water, in parts per million |
| prop_ppm | Concentration of propane in water, in parts per million |
| but_ppm | Concentration of butane in water, in parts per million |
| rn_pci_l | Concentration of radon in water, in picocuries per liter (pCi/l) |
| no3_ppm | Concentration of nitrate in water, in parts per million |
| po4_ppm | Concentration of phosphate in water or sediments, in parts per million |
| so4_ppm | Concentration of sulfate in water or sediments, in parts per million |
| henratio | The measured ratio of helium/neon in water |
| methods | Analytical method codes for each method used to determine the element concentrations listed in the record |
