Database fields in category Chemical analysis

Label	Statistics	Description
`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