Less than 21 PPM

Less than 21 PPM

 

21 - 30 PPM

21 – 30 PPM

 

31 - 45 PPM

31 – 45 PPM

 

46 - 55 PPM

46 – 55 PPM

 

56 - 70 PPM

56 – 70 PPM

 

71 Plus PPM

71 Plus PPM