Legend

​AI​ ​Aggressive Index ​​NR ​Not Required
AL​ ​Regulatory Action Level ​​NTU ​Nephelometric Turbidity Units
​LI ​Langelier Index ​pCi/l ​Pico Curies per liter
​MFL ​Million Fibers Per Liter ​​PPB ​Parts Per Billion (ug/L)
​MO ​Monitored Only ​​PPM ​Parts Per Million (mg/L)
​MPN ​Most Probable Number ​PPT ​Parts Per Trillion or Nanograms Per Liter
​NA ​Not Analyzed ​​TOC ​Total Organic Carbon
​n/a ​Not Applicable ​​TT ​Treatment Technique
​ND ​Non Detected ​WTP ​Water Treatment Plant
​NL ​Notification Level