Total Recoverable Metals Digestions – Drinking Water

Laboratory Fee Schedule
Group: Inorganic
Procedure #:  EZZ0174A

Synonym(s):  Acid digestion of water
Requisition Form G-22
Test Description This method provides a sample preparation procedure for the determination of total recoverable analytes in drinking water samples with turbidity ≥1.0 NTU and drinking water samples with visible particles.
Pre-Approval Needed N/A
Supplemental Information Required N/A
Supplemental Form(s) N/A
Performed on Specimens from (sources) Environmental
Sample/Specimen Type for Testing Drinking water
Minimum Volume/Size Required I Liter plastic container
Storage/Preservation Prior to Shipping N/A
Transport Medium N/A
Specimen Labeling
  • Label each bottle with a waterproof marker.
  • Sample identification must match information on submission form.
Shipping and Specimen Handling Requirements Ship according to Dangerous Good Regulations, IATA, and/or CFR 49.
Method Total recoverable metals digestion (EPA methods 200.2)
Turn-around Time
  • Sample must be analyzed within 180 days of sample collection. 
  • The target sample turnaround time is 14 days.
Interferences/Limitations Contamination is of prime concern during sample preparation. Precautions must be taken to avoid use of tools that include elements of interest in their composition. The work are, including bench top and fume hood, should be periodically cleaned in order to eliminate environmental contamination. 
Common Causes for Rejection
  • Insufficient quantity
  • unacceptable specimen type or source
  • improper shipping conditions
  • expired media or collection container
  • discrepancies between specimen label and submission form
  • incomplete or missing submission form
Additional Information N/A