Database fields, all categories

Sample identification
	`REC_NO`	NURE record ID or USGS record ID code
	`LABNO`	Unique laboratory name for analyzed sample
	`DATASET`	Description of group of samples of which this one is a member
	`JOINNAME`
	`CATEGORY`	General type of sample to which the sample-set belongs
	`TYPEDESC`	Abbreviated description of sample type: stream/pond/spring/soil/etc
Geographic location
	`DATUM`	Datum of the geographic coordinates
	`LATITUDE`	Latitude in decimal degrees
	`LONGITUDE`	Longitude in decimal degrees (negative = West)
	`QUAD24CODE`	Code for the USGS 1:24,000 (7.5 minute) quadrangle in which sample is located
	`QUAD250COD`	Code for the USGS 1:250,000 (1x2-degree) quadrangle in which sample is located
	`QUAD100COD`	Code for the USGS 1:100,000 (1:62,500 in Alaska) quadrangle in which sample is located
	`FIPS_INT`	FIPS of county calculated from geographic coordinates
	`HUC_8`	8-digit hydrologic unit code calculated from geographic coordinates
	`QD250NAME`	Name of USGS 1:250,000 (1x2-degree) quadrangle in which sample is located
	`ZIP3`	The zip code where the sample was taken. Three most significant digits only; if the full zip code would be 20192, this field wi
	`CONGDIST`	Unique identifier for the US congressional district from which the sample was taken.
Sample characteristics
	`FLDNAM`	Field name of sample, possibly corrected after laboratory analysis.
	`COLL_DATE`	Day on which the sample was collected in the field
	`DESCRIPT`	Sample description and field notes
	`STYPE`	3-digit code for the sample medium and collection protocol
	`SOIL_HORIZ`	Soil horizon from which the sample was collected (soils only).
	`COLOR`	Observed color of powdered sample during splitting, prior to USGS analysis
	`SMPGRSIZE`	Grain size of material collected in the field (descriptive)
	`MEDIUM`	Sample medium (rock, sediment, standard, or unknown)
	`SOURCE`	Geological source of the sample medium that was collected
	`SOURCE_MOD`	Adjective describing sample source
	`UPSIEVE`	Sieve size (micrometers) through which sample passed prior to analysis
	`DRIED`	Manner in which sample was dried prior to analysis
	`STYPENOTE`	Notes relevant to medium, source, source_mod, upsieve, and dried fields
Site characteristics
	`SETTING`	Physiographic setting of sample site
	`ACCHANWID`	Width of active stream channel at collection site
	`WATERDEP`	Depth of water at collection site
	`WATCOL`	Color of water at collection site
	`FLOWSTAGE`	Flow stage of stream at time of sample collection
	`FLOWRATE`	Description of flow rate of stream at time of sample collection
	`STRBED`	Material in stream bed at sample collection site
	`CONTAMSOU`	Observed sources of anthropogenic contamination near sample site
	`CONTAMPOT`	Likelihood that the sample is contaminated
	`CONTAMDEGR`	Degree to which sample is likely to be contaminated
	`VEG`	Description of vegetation around sample site
	`PH`	pH of water at sample site
Sample characteristics (details)
	`GRAINSIZE`	Grain size observed during splitting prior to USGS analysis (coarse or fine)
	`COLLECTOR`	Name, abbreviation, or code for person or team that collected the sample
	`PRIME_ID`	Primary NURE sample name
	`LASLID`	Los Alamos NURE field name
	`ORNLID`	Oak Ridge NURE field name
	`SRLID`	Savannah River NURE field name
	`LLLID`	Lawrence Livermore NURE field name
	`SITE`	Other NURE name info
	`XSITE`	Quality control/assurance info for Lawrence Livermore Lab
	`REPLC`	NURE Replicate codes
	`LABCOND`	Conductivity meaured in laboratory
	`GRABS`	Number of grabs or subsamples
	`SAMPHR`	Time of day that sample was collected
	`ORGN_PCT`	Estimated %organics
	`STUDY`	Special NURE study code
	`ODOR`	Sample odor observed in field
Site characteristics (details)
	`PHOTOS`	Names of photographs taken at collection site
	`FLDPLNWID`	Width of flood plain at sample collection site
	`RELIEF`	Relief in drainage basin from which sample was collected
	`FORMATION`	Code or name of geologic formation in which sample area was located
	`SGEOUNIT`	Geologic unit at sample site
	`ALK`	Total alkalinity of water at sample site
	`O_DISS`	Dissolved oxygen (ppm) in water at sample site
	`SCIN`	Gamma activity at sample site
	`AIRTEMP`	Air temperature at time of collection
	`WTRTEMP`	Water temperature at time of collection
	`COND`	Conductivity of water at sample site
	`STRFLOW`	Stream velocity (m/s) at sample collection site
	`STR_CHAN`	Describes whether stream is depositing or eroding at collection site
	`WEATH`	Weather observations at time of sample collection
	`VEG_DENS`	Density of vegetation around sample site
	`ROCK_TYPE`	Rock type in area of sample collection
	`ROCK_COL`	Rock color in area of sample collection
Analyses by ICP/Acid dissolution
	`ICP40_JOB`	Job number for ICP 40-element method
	`AL_ICP40`	Al (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`CA_ICP40`	Ca (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`FE_ICP40`	Fe (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`K_ICP40`	K (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`MG_ICP40`	Mg (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`NA_ICP40`	Na (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`P_ICP40`	P (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`TI_ICP40`	Ti (wt%) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`AG_ICP40`	Ag (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`AS_ICP40`	As (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`AU_ICP40`	Au (ppb) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`BA_ICP40`	Ba (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`BE_ICP40`	Be (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`BI_ICP40`	Bi (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`CD_ICP40`	Cd (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`CE_ICP40`	Ce (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`CO_ICP40`	Co (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`CR_ICP40`	Cr (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`CU_ICP40`	Cu (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`EU_ICP40`	Eu (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`GA_ICP40`	Ga (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`HO_ICP40`	Ho (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`LA_ICP40`	La (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`LI_ICP40`	Li (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`MN_ICP40`	Mn (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`MO_ICP40`	Mo (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`NB_ICP40`	Nb (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`ND_ICP40`	Nd (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`NI_ICP40`	Ni (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`PB_ICP40`	Pb (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`SC_ICP40`	Sc (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`SN_ICP40`	Sn (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`SR_ICP40`	Sr (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`TA_ICP40`	Ta (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`TH_ICP40`	Th (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`U_ICP40`	U (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`V_ICP40`	V (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`Y_ICP40`	Y (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`YB_ICP40`	Yb (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`ZN_ICP40`	Zn (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`CS_ICP40`	Cs (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`RB_ICP40`	Rb (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`SB_ICP40`	Sb (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
	`ZR_ICP40`	Zr (ppm) by Inductively Coupled Plasma Spectrometry after acid dissolution
Analyses by AA
	`AS_JOB`	Job number for As method
	`AS_AA`	As (ppm) by Hydride Atomic Absorption
	`SE_JOB`	Job number for Se method
	`SE_AA`	Se (ppm) by Hydride Atomic Absorption
	`HG_JOB`	Job number for Hg method
	`HG_AA`	Hg (ppm) by Cold Vapor Atomic Absorption
	`SB_JOB`	Job number for Sb method
	`SB_AA`	Sb (ppm) by Hydride Atomic Absorption
	`TE_JOB`	Job number for Te method
	`TE_AA`	Te (ppm) by Hydride Atomic Absorption
	`TL_JOB`	Job number for Tl method
	`TL_AA`	Tl (ppm) by Hydride Atomic Absorption
	`W_JOB`	Job number for W method
	`W_VS`	W (ppm) by Visible Spectrophotometry
	`AU_JOB`	Job number for Au method
	`AU_AA`	Au (ppb) by Graphite Furnace Atomic Absorption
	`PDPT_JOB`	Job number for Pd and Pt method
	`PD_AA`	Pd (ppb) by Graphite Furnace Atomic Absorption
	`PT_AA`	Pt (ppb) by Graphite Furnace Atomic Absorption
Analyses by ICP Partial Chem
	`ICP10_JOB`	Job number for ICP 10-element partial extraction method
	`AG_ICP10`	Ag (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`AS_ICP10`	As (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`AU_ICP10`	Au (ppb) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`BI_ICP10`	Bi (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`CD_ICP10`	Cd (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`CU_ICP10`	Cu (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`MO_ICP10`	Mo (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`PB_ICP10`	Pb (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`SB_ICP10`	Sb (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`ZN_ICP10`	Zn (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`GA_ICP10`	Ga (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`HG_ICP10`	Hg (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`SE_ICP10`	Se (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`TE_ICP10`	Te (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
	`TL_ICP10`	Tl (ppm) by Partial Extraction Inductively Coupled Plasma Spectrometry
Analyses by Fusion ICP
	`ICP16_JOB`	Job number for ICP 16-element fusion method
	`AL_ICP16`	Al (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`CA_ICP16`	Ca (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`FE_ICP16`	Fe (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`K_ICP16`	K (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`MG_ICP16`	Mg (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`NA_ICP16`	Na (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`P_ICP16`	P (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`SI_ICP16`	Si (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`TI_ICP16`	Ti (wt%) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`BA_ICP16`	Ba (ppm) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`CR_ICP16`	Cr (ppm) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`MN_ICP16`	Mn (ppm) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`NB_ICP16`	Nb (ppm) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`SR_ICP16`	Sr (ppm) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`Y_ICP16`	Y (ppm) by Inductively Coupled Plasma Spectrometry after peroxide fusion
	`ZR_ICP16`	Zr (ppm) by Inductively Coupled Plasma Spectrometry after peroxide fusion
Analyses by NAA
	`INAAJOB_US`	Job number for USGS INAA method
	`INAAJOB_BE`	Job number for Becquerel INAA method
	`NA_INAA`	Na (wt%) by Instrumental Neutron Activation Analysis
	`SC_INAA`	Sc (ppm) by Instrumental Neutron Activation Analysis
	`TI_INAA`	Ti (wt%) by Instrumental Neutron Activation Analysis
	`CR_INAA`	Cr (ppm) by Instrumental Neutron Activation Analysis
	`FE_INAA`	Fe (wt%) by Instrumental Neutron Activation Analysis
	`CO_INAA`	Co (ppm) by Instrumental Neutron Activation Analysis
	`NI_INAA`	Ni (ppm) by Instrumental Neutron Activation Analysis
	`ZN_INAA`	Zn (ppm) by Instrumental Neutron Activation Analysis
	`AS_INAA`	As (ppm) by Instrumental Neutron Activation Analysis
	`BR_INAA`	Br (ppm) by Instrumental Neutron Activation Analysis
	`RB_INAA`	Rb (ppm) by Instrumental Neutron Activation Analysis
	`SR_INAA`	Sr (ppm) by Instrumental Neutron Activation Analysis
	`ZR_INAA`	Zr (ppm) by Instrumental Neutron Activation Analysis
	`MO_INAA`	Mo (ppm) by Instrumental Neutron Activation Analysis
	`SB_INAA`	Sb (ppm) by Instrumental Neutron Activation Analysis
	`CS_INAA`	Cs (ppm) by Instrumental Neutron Activation Analysis
	`BA_INAA`	Ba (ppm) by Instrumental Neutron Activation Analysis
	`LA_INAA`	La (ppm) by Instrumental Neutron Activation Analysis
	`CE_INAA`	Ce (ppm) by Instrumental Neutron Activation Analysis
	`ND_INAA`	Nd (ppm) by Instrumental Neutron Activation Analysis
	`SM_INAA`	Sm (ppm) by Instrumental Neutron Activation Analysis
	`EU_INAA`	Eu (ppm) by Instrumental Neutron Activation Analysis
	`TB_INAA`	Tb (ppm) by Instrumental Neutron Activation Analysis
	`YB_INAA`	Yb (ppm) by Instrumental Neutron Activation Analysis
	`LU_INAA`	Lu (ppm) by Instrumental Neutron Activation Analysis
	`HF_INAA`	Hf (ppm) by Instrumental Neutron Activation Analysis
	`TA_INAA`	Ta (ppm) by Instrumental Neutron Activation Analysis
	`W_INAA`	W (ppm) by Instrumental Neutron Activation Analysis
	`AU_INAA`	Au (ppb) by Instrumental Neutron Activation Analysis
	`TH_INAA`	Th (ppm) by Instrumental Neutron Activation Analysis
	`U_INAA`	U (ppm) by Instrumental Neutron Activation Analysis
	`DN_JOB`	Job number for Delayed Neutron method
	`U_DN`	U (ppm) by Delayed Neutron Activation Analysis
	`TH_DN`	Th (ppm) by Delayed Neutron Activation Analysis
Analyses by XRF
	`XRF_JOB`	Job number for XRF method
	`SIO2_XRF`	SiO2 (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`AL2O3_XRF`	Al2O3 (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`FE2O3_XRF`	Fe2O3 (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`MGO_XRF`	MgO (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`CAO_XRF`	CaO (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`NA2O_XRF`	Na2O (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`K2O_XRF`	K2O (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`TIO2_XRF`	TiO2 (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`P2O5_XRF`	P2O5 (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`MNO_XRF`	MnO (wt%) by Wavelength-Dispersive X-Ray Fluorescence
	`LOI925C`	Loss on Ignition (wt%) preceding Wavelength-Dispersive X-Ray Fluorescence
Analyses for light elements
	`C_S_JOB`	Job number for Carbon and Sulfur method
	`C_TOT`	Total carbon (wt%) by Combustion
	`C_ORG`	Organic carbon (wt%) by difference from c_tot and c_co3
	`C_CO3`	Carbonate carbon (wt%) by Coulometric Titration
	`S_TOT`	Total sulfur (wt%) by Combustion
Analyses by NURE program
	`AL_NURE`	Al (wt%) measured by the NURE program
	`CA_NURE`	Ca (wt%) measured by the NURE program
	`FE_NURE`	Fe (wt%) measured by the NURE program
	`K_NURE`	K (wt%) measured by the NURE program
	`MG_NURE`	Mg (wt%) measured by the NURE program
	`NA_NURE`	Na (wt%) measured by the NURE program
	`AG_NURE`	Ag (ppm) measured by the NURE program
	`AS_NURE`	As (ppm) measured by the NURE program
	`AU_NURE`	Au (ppb) measured by the NURE program
	`B_NURE`	B (ppm) measured by the NURE program
	`BA_NURE`	Ba (ppm) measured by the NURE program
	`BE_NURE`	Be (ppm) measured by the NURE program
	`BI_NURE`	Bi (ppm) measured by the NURE program
	`BR_NURE`	Br (ppm) measured by the NURE program
	`CD_NURE`	Cd (ppm) measured by the NURE program
	`CE_NURE`	Ce (ppm) measured by the NURE program
	`CL_NURE`	Cl (ppm) measured by the NURE program
	`CO_NURE`	Co (ppm) measured by the NURE program
	`CR_NURE`	Cr (ppm) measured by the NURE program
	`CS_NURE`	Cs (ppm) measured by the NURE program
	`CU_NURE`	Cu (ppm) measured by the NURE program
	`DY_NURE`	Dy (ppm) measured by the NURE program
	`EU_NURE`	Eu (ppm) measured by the NURE program
	`F_NURE`	F (ppm) measured by the NURE program
	`HF_NURE`	Hf (ppm) measured by the NURE program
	`HG_NURE`	Hg (ppm) measured by the NURE program
	`LA_NURE`	La (ppm) measured by the NURE program
	`LI_NURE`	Li (ppm) measured by the NURE program
	`LU_NURE`	Lu (ppm) measured by the NURE program
	`MN_NURE`	Mn (ppm) measured by the NURE program
	`MO_NURE`	Mo (ppm) measured by the NURE program
	`NB_NURE`	Nb (ppm) measured by the NURE program
	`NI_NURE`	Ni (ppm) measured by the NURE program
	`P_NURE`	P (ppm) measured by the NURE program
	`PB_NURE`	Pb (ppm) measured by the NURE program
	`PT_NURE`	Pt (ppm) measured by the NURE program
	`RB_NURE`	Rb (ppm) measured by the NURE program
	`SB_NURE`	Sb (ppm) measured by the NURE program
	`SC_NURE`	Sc (ppm) measured by the NURE program
	`SE_NURE`	Se (ppm) measured by the NURE program
	`SM_NURE`	Sm (ppm) measured by the NURE program
	`SN_NURE`	Sn (ppm) measured by the NURE program
	`SR_NURE`	Sr (ppm) measured by the NURE program
	`TA_NURE`	Ta (ppm) measured by the NURE program
	`TB_NURE`	Tb (ppm) measured by the NURE program
	`TH_NURE`	Th (ppm) measured by the NURE program
	`TI_NURE`	Ti (wt%) measured by the NURE program
	`V_NURE`	V (ppm) measured by the NURE program
	`W_NURE`	W (ppm) measured by the NURE program
	`Y_NURE`	Y (ppm) measured by the NURE program
	`YB_NURE`	Yb (ppm) measured by the NURE program
	`ZN_NURE`	Zn (ppm) measured by the NURE program
	`ZR_NURE`	Zr (ppm) measured by the NURE program
	`U_NURE`	U (ppm) [Preferred value if more than one method was used by NURE]
Processing information
	`LABNO2`	A second name under which the same sample was analyzed
	`PREV_LABNO`	Unique laboratory name for sample when analyzed at USGS 1980-1997.
	`FLDNAM_AN`	Field name of sample as analyzed (authoritative name in FLDNAM field)
	`AOV_CODE`	Analysis of variance code
	`REPLICATE`	Lab number of duplicate analysis
	`LOC_COUNT`	Number of samples at these coordinates
	`ANAL_NOTES`	Notes made during processing of data
	`NURE_METH`	Analytical method codes for ~1980 NURE data