{"parm_nm":"1,1,1,2-Tetrachloroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"77562","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,1,1-Trichloroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34506","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"1,1,2,2-Tetrachloroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34516","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,1,2-Trichloro-1,2,2-trifluoroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"77652","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"1,1,2-Trichloroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34511","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,1-Dichloroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34496","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"1,1-Dichloroethene, water, unfiltered, recoverable, micrograms per liter","pcode":"34501","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"1,1-Dichloropropene, water, unfiltered, recoverable, micrograms per liter","pcode":"77168","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2,3-Trichlorobenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77613","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2,3-Trichloropropane, water, unfiltered, recoverable, micrograms per liter","pcode":"77443","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2,4-Trichlorobenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"34551","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2,4-Trimethylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77222","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2-Dibromo-3-chloropropane, water, unfiltered, recoverable, micrograms per liter","pcode":"82625","bkgrd_min":0,"bkgrd_max":0.5,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2-Dibromoethane, water, unfiltered, recoverable, micrograms per liter","pcode":"77651","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2-Dichlorobenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"34536","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2-Dichloroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"32103","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,2-Dichloropropane, water, unfiltered, recoverable, micrograms per liter","pcode":"34541","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"1,3,5-Trimethylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77226","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,3-Dichlorobenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"34566","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"1,3-Dichloropropane, water, unfiltered, recoverable, micrograms per liter","pcode":"77173","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"1,4-Dichlorobenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"34571","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"2,2-Dichloropropane, water, unfiltered, recoverable, micrograms per liter","pcode":"77170","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"2-Chlorotoluene, water, unfiltered, recoverable, micrograms per liter","pcode":"77275","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"4-Chlorotoluene, water, unfiltered, recoverable, micrograms per liter","pcode":"77277","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"4-Isopropyltoluene, water, unfiltered, recoverable, micrograms per liter","pcode":"77356","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Acrylonitrile, water, unfiltered, recoverable, micrograms per liter","pcode":"34215","bkgrd_min":0,"bkgrd_max":2.5,"reference":"Orr and others (1991)"}
{"parm_nm":"Benzene, water, unfiltered, recoverable, micrograms per liter","pcode":"34030","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Bromobenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"81555","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Bromochloromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"77297","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Bromodichloromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"32101","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Bromomethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34413","bkgrd_min":0,"bkgrd_max":0.3,"reference":"Orr and others (1991)"}
{"parm_nm":"Cesium-137, water, unfiltered, picocuries per liter","pcode":"28401","bkgrd_min":0,"bkgrd_max":0,"reference":"Knobel and others (1992)"}
{"parm_nm":"Chloride, water, filtered, milligrams per liter","pcode":"00940","bkgrd_min":11.8,"bkgrd_max":14.2,"reference":"Bartholomay and Hall (2016)"}
{"parm_nm":"Chlorobenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"34301","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Chloroethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34311","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Chloromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34418","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Chromium, water, filtered, micrograms per liter","pcode":"01030","bkgrd_min":3,"bkgrd_max":4,"reference":"Bartholomay and Hall (2016)"}
{"parm_nm":"cis-1,2-Dichloroethene, water, unfiltered, recoverable, micrograms per liter","pcode":"77093","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"cis-1,3-Dichloropropene, water, unfiltered, recoverable, micrograms per liter","pcode":"34704","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Dibromochloromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"32105","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Dibromomethane, water, unfiltered, recoverable, micrograms per liter","pcode":"30217","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Dichlorodifluoromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34668","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Dichloromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34423","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Ethylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"34371","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Fluoride, water, filtered, milligrams per liter","pcode":"00950","bkgrd_min":0.4,"bkgrd_max":0.5,"reference":"Orr and others (1991)"}
{"parm_nm":"Gross alpha radioactivity, water, unfiltered, Th-230 curve, picocuries per liter","pcode":"63018","bkgrd_min":0,"bkgrd_max":3,"reference":"Knobel and others (1992)"}
{"parm_nm":"Gross beta radioactivity, water, unfiltered, Sr-90/Y-90 curve, picocuries per liter","pcode":"80049","bkgrd_min":0,"bkgrd_max":7,"reference":"Knobel and others (1992)"}
{"parm_nm":"Hexachlorobutadiene, water, unfiltered, recoverable, micrograms per liter","pcode":"39702","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Isopropylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77223","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Methyl tert-butyl ether, water, unfiltered, recoverable, micrograms per liter","pcode":"78032","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"n-Butylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77342","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"n-Propylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77224","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Naphthalene, water, unfiltered, recoverable, micrograms per liter","pcode":"34696","bkgrd_min":0,"bkgrd_max":0.5,"reference":"Orr and others (1991)"}
{"parm_nm":"Nitrate, water, filtered, milligrams per liter as nitrogen","pcode":"00618","bkgrd_min":0.655,"bkgrd_max":1,"reference":"Bartholomay and Hall (2016)"}
{"parm_nm":"Plutonium-238, water, unfiltered, picocuries per liter","pcode":"22012","bkgrd_min":0,"bkgrd_max":0,"reference":"Knobel and others (1992)"}
{"parm_nm":"sec-Butylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77350","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Sodium, water, filtered, milligrams per liter","pcode":"00930","bkgrd_min":8.3,"bkgrd_max":14.8,"reference":"Bartholomay and Hall (2016)"}
{"parm_nm":"Strontium-90, water, unfiltered, picocuries per liter","pcode":"13501","bkgrd_min":0,"bkgrd_max":0,"reference":"Orr and others (1991)"}
{"parm_nm":"Styrene, water, unfiltered, recoverable, micrograms per liter","pcode":"77128","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Sulfate, water, filtered, milligrams per liter","pcode":"00945","bkgrd_min":20.2,"bkgrd_max":21.4,"reference":"Bartholomay and Hall (2016)"}
{"parm_nm":"tert-Butylbenzene, water, unfiltered, recoverable, micrograms per liter","pcode":"77353","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Tetrachloroethene, water, unfiltered, recoverable, micrograms per liter","pcode":"34475","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Tetrachloromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"32102","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Toluene, water, unfiltered, recoverable, micrograms per liter","pcode":"34010","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"trans-1,2-Dichloroethene, water, unfiltered, recoverable, micrograms per liter","pcode":"34546","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"trans-1,3-Dichloropropene, water, unfiltered, recoverable, micrograms per liter","pcode":"34699","bkgrd_min":0,"bkgrd_max":0.24,"reference":"Orr and others (1991)"}
{"parm_nm":"Tribromomethane, water, unfiltered, recoverable, micrograms per liter","pcode":"32104","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Trichloroethene, water, unfiltered, recoverable, micrograms per liter","pcode":"39180","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Trichlorofluoromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"34488","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Trichloromethane, water, unfiltered, recoverable, micrograms per liter","pcode":"32106","bkgrd_min":0,"bkgrd_max":0.1,"reference":"Orr and others (1991)"}
{"parm_nm":"Tritium, water, unfiltered, picocuries per liter","pcode":"07000","bkgrd_min":0,"bkgrd_max":150,"reference":"Michel (1989)"}
{"parm_nm":"Vinyl chloride, water, unfiltered, recoverable, micrograms per liter","pcode":"39175","bkgrd_min":0,"bkgrd_max":0.2,"reference":"Orr and others (1991)"}
{"parm_nm":"Xylene (all isomers), water, unfiltered, recoverable, micrograms per liter","pcode":"81551","bkgrd_min":0,"bkgrd_max":0.3,"reference":"Orr and others (1991)"}