In 1 liter bottle

• Let water sit undisturbed for 6 - 10 hours (do not to exceed 10 hours).
  
  
• The sample must be taken before using the household water. The best times are in the early morning or when returning from work.
  
  
• At the kitchen (preferable) or bathroom (alternate) cold water tap, fill the 1 quart bottle with stagnant water. Do not run the water first or rinse the container before sampling.
  
  
• Cap the bottle tightly.
  
  
• Fill out all pertinent information on the Chain of Custody form.
  
  
• Bring samples to laboratory immediately. Refrigerate samples to be held longer than one hour before delivery to lab. Samples must be delivered to lab within 24 hours of sampling.
  
  
• Any samples received at the lab without payment of $38.00 will not be tested.
  
  
• Payment must accompany your samples. Please enclose a check/money order for $38.00 (for each sample) made payable to: CNA Environmental Inc. If sample containers were mailed to you, please add a one-time shipping & handling fee of $5.00.