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Chloride – Drinking water

Laboratory Fee Schedule
Group: Inorganic
Procedure #: EZZ0007A
 

Synonym(s):  Chloride residual of potable water
Requisition Form G-22
Test Description Analysis of drinking water to determine the concentration of chloride.
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 1 L
Storage/Preservation Prior to Shipping
  • Store in hard or soft plastic or glass container.
  • Measure and record the chlorine residual and pH.
  • Maintain sample at 4.0°C.
  • Some headspace is allowed.
Transport Medium N/A
Specimen Labeling Sample identification must match submission form.
Shipping and Specimen Handling Requirements
  • Must be received by laboratory for testing within 48 hours of collection.  
  • Ship according to Dangerous Goods Regulations, IATA, and/or CFR 49.
Method Ion chromatography (EPA 300.0) via the Dionex Integrion Chromatography System 
Turn-around Time N/A
Interferences/Limitations
  • Substances with retention times that are similar to or overlap those of the anion of interest. 
  • Samples that contain particles larger than 0.45 microns
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