anchor.diff:  Polychlorinated Biphenyl 77,,,,0.04,ng/L,23,BC_2006,Freshwater Life
   Polychlorinated Biphenyl Total,,,,0.1,ng/L,23,BC_2006,Freshwater Life
   Selenium Total,Month,,,0.002,mg/L,B4,EMAIL_2014,Freshwater Life
  -Silver,Month,CaCO3 <= 100,,0.05,ug/L,29,BC_2006,Freshwater Life
  -Silver,Month,CaCO3 > 100,,1.5,ug/L,29,BC_2006,Freshwater Life
  -Silver,,CaCO3 <= 100,,0.1,ug/L,29,BC_2006,Freshwater Life
  -Silver,,CaCO3 > 100,,3,ug/L,29,BC_2006,Freshwater Life
  -Sulphate,Month,CaCO3 <= 30,,128,mg/L,B5,EMAIL_2014,Freshwater Life
  -Sulphate,Month,CaCO3 > 30 & CaCO3 <= 75,,218,mg/L,B5,EMAIL_2014,Freshwater Life
  -Sulphate,Month,CaCO3 > 76 & CaCO3 <= 180,,309,mg/L,B5,EMAIL_2014,Freshwater Life
  -Sulphate,Month,CaCO3 > 180 & CaCO3 <= 250,,429,mg/L,B5,EMAIL_2014,Freshwater Life
  +Silver,Month,EMS-0107 <= 100,,0.05,ug/L,29,BC_2006,Freshwater Life
  +Silver,Month,EMS-0107 > 100,,1.5,ug/L,29,BC_2006,Freshwater Life
  +Silver,,EMS-0107 <= 100,,0.1,ug/L,29,BC_2006,Freshwater Life
  +Silver,,EMS-0107 > 100,,3,ug/L,29,BC_2006,Freshwater Life
  +Sulphate,Month,EMS-0107 <= 30,,128,mg/L,B5,EMAIL_2014,Freshwater Life
  +Sulphate,Month,EMS-0107 > 30 & EMS-0107 <= 75,,218,mg/L,B5,EMAIL_2014,Freshwater Life
  +Sulphate,Month,EMS-0107 > 76 & EMS-0107 <= 180,,309,mg/L,B5,EMAIL_2014,Freshwater Life
  +Sulphate,Month,EMS-0107 > 180 & EMS-0107 <= 250,,429,mg/L,B5,EMAIL_2014,Freshwater Life
   Sulphate,,,,100,mg/L,36,BC_2006,Freshwater Life
   Sulpholane,,,,50,mg/L,46,BC_2006,Freshwater Life
   Toluene,,,,0.039,mg/L,35,BC_2006,Freshwater Life
  -Zinc Total,Month,,,0.75 * (CaCO3 - 90) + 7.5,ug/L,33,BC_2006,Freshwater Life
  -Zinc Total,,,,0.75 * (CaCO3 - 90) + 33,ug/L,33,BC_2006,Freshwater Life
  +Zinc Total,Month,,,0.75 * (EMS-0107 - 90) + 7.5,ug/L,33,BC_2006,Freshwater Life
  +Zinc Total,,,,0.75 * (EMS-0107 - 90) + 33,ug/L,33,BC_2006,Freshwater Life
  
positive.code: Chlorine Total Residual,,,,100,ug/L,19,BC_2006,Freshwater Life
  Cobalt Total,Month,,,4,ug/L,48,BC_2006,Freshwater Life
  Cobalt Total,,,,110,ug/L,48,BC_2006,Freshwater Life
  Copper Total,Month,CaCO3 > 50,,0.04 * CaCO3,ug/L,9,BC_2006,Freshwater Life
  Copper Total,Month,CaCO3 <= 50,,2,ug/L,9,BC_2006,Freshwater Life
  Copper Total,,CaCO3 <= 50,,0.094 * CaCO3 + 2,ug/L,9,BC_2006,Freshwater Life
  Copper Total,,CaCO3 > 50,,0.094 * CaCO3 + 2,ug/L,9,BC_2006,Freshwater Life
  Cyanide Weak Acid Dissociable,Month,,,5,ug/L,10,BC_2006,Freshwater Life
  Cyanide Weak Acid Dissociable,,,,10,ug/L,10,BC_2006,Freshwater Life
  Diisopropanolamine,,,,1.6,mg/L,45,BC_2006,Freshwater Life
  Ethinylestradiol 17a,Month,,,0.5,ng/L,A2,EMAIL_2014,Freshwater Life
  Ethinylestradiol 17a,,,,0.75,ng/L,A2,EMAIL_2014,Freshwater Life
  Ethylbenzene,,,,0.2,mg/L,34,BC_2006,Freshwater Life
  Fluoride Total,,CaCO3 <= 10,,0.4,mg/L,B1,EMAIL_2014,Freshwater Life
  Fluoride Total,,CaCO3 > 10,,"(92.57 * log(CaCO3, base = 10) – 51.73) * 0.01",mg/L,B1,EMAIL_2014,Freshwater Life
  Iron Dissolved,,,,0.35,mg/L,A3,EMAIL_2014,Freshwater Life
  Iron Total,,,,1,mg/L,A3,EMAIL_2014,Freshwater Life
  Lead,Month,CaCO3 > 8,,exp(1.273 * log(CaCO3) - 4.704) + 3.31,ug/L,11,BC_2006,Freshwater Life
  Lead,,CaCO3 <= 8,,3,ug/L,11,BC_2006,Freshwater Life
  Lead,,CaCO3 > 8,,exp(1.273 * log(CaCO3) - 1.460),ug/L,11,BC_2006,Freshwater Life
  Manganese,Month,,,0.0044 * CaCO3 + 0.605,mg/L,38,BC_2006,Freshwater Life
  Manganese,,,,0.01102 * CaCO3 + 0.54,mg/L,37,BC_2006,Freshwater Life
  Mercury,Month,MeHg / Hg * 100  <= 5,,0.002,ug/L,13a,BC_2006,Freshwater Life
  Mercury,Month,MeHg / Hg * 100 > 1 & MeHg / Hg * 100 <= 2.5,,0.004,ug/L,13a,BC_2006,Freshwater Life
  Mercury,Month,MeHg / Hg * 100 > 0.5 & MeHg / Hg * 100 <= 1,,0.01,ug/L,13a,BC_2006,Freshwater Life
  
negative.code: Aluminium Dissolved,,pH < 6.5,,exp(1.209 - 2.426 * pH + 0.286 * pH^2),mg/L,6,BC_2006,Freshwater Life
  Arsenic Total,,,,5,ug/L,43,BC_2006,Freshwater Life
  Boron,,,,1.2,mg/L,49,BC_2006,Freshwater Life
  Cadmium Dissolved,Month,EMS-0107 >= 3.4 & EMS-0107 <= 285,,exp(0.736 * log(EMS-0107) - 4.943),ug/L,A1,EMAIL_2014,Freshwater Life
  Cadmium Dissolved,,EMS-0107 >= 7 & EMS-0107 <= 455,,exp(1.03 * log(EMS-0107) - 5.274),ug/L,A1,EMAIL_2014,Freshwater Life
  Chlorate,,,,30,mg/L,44,BC_2006,Freshwater Life
  Chloride Total,Month,,,150,mg/L,47,BC_2006,Freshwater Life
  Chloride Total,,,,600,mg/L,47,BC_2006,Freshwater Life
  