{"parm_nm":"Gross alpha radioactivity, water, unfiltered, Th-230 curve, picocuries per liter","pcode":"63018","lab_det_lim_va":3,"min_dt":"1949-01-16","reference":"Bartholomay and others (2014, table D1)"}
{"parm_nm":"Gross beta radioactivity, water, unfiltered, Sr-90/Y-90 curve, picocuries per liter","pcode":"80049","lab_det_lim_va":2,"min_dt":"1949-01-16","reference":"Bartholomay and others (2014, table D1)"}
{"parm_nm":"Cesium-137, water, unfiltered, picocuries per liter","pcode":"28401","lab_det_lim_va":60,"min_dt":"1949-01-16","reference":"Bartholomay and others (2014, table D1)"}
{"parm_nm":"Plutonium-238, water, unfiltered, picocuries per liter","pcode":"22012","lab_det_lim_va":0.2,"min_dt":"1949-01-16","reference":"Bartholomay and others (2014, table D1)"}
{"parm_nm":"Plutonium-238, water, unfiltered, picocuries per liter","pcode":"22012","lab_det_lim_va":0.05,"min_dt":"2021-01-01","reference":"Bartholomay and others (2021, table 4.1)"}
{"parm_nm":"Plutonium-239 plus plutonium-240, water, unfiltered, picocuries per liter","pcode":"49475","lab_det_lim_va":0.05,"min_dt":"2021-01-01","reference":"Bartholomay and others (2021, table 4.1)"}
{"parm_nm":"Strontium-90, water, unfiltered, picocuries per liter","pcode":"13501","lab_det_lim_va":5,"min_dt":"1949-01-16","reference":"Bodnar and Percival (1982)"}
{"parm_nm":"Strontium-90, water, unfiltered, picocuries per liter","pcode":"13501","lab_det_lim_va":2,"min_dt":"1998-07-31","reference":"Bartholomay and others (2014, table D1)"}
{"parm_nm":"Tritium, water, unfiltered, picocuries per liter","pcode":"07000","lab_det_lim_va":500,"min_dt":"1949-01-16","reference":"Bartholomay and others (2003, table 9)"}
{"parm_nm":"Tritium, water, unfiltered, picocuries per liter","pcode":"07000","lab_det_lim_va":200,"min_dt":"2003-04-01","reference":"Bartholomay and others (2014, table D1)"}