Sulfate – Drinking Water

Laboratory Fee Schedule
Group: Inorganic
Procedure #:  EZZ0020A

Synonym(s):  Sulfate residual of potable water
Requisition Form G-22
Test Description Analysis of drinking water to determine the concentration of sulfate
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 Liter
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) 
Turn-around Time N/A
  • 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
  • Reagent solutions that contain particles larger than 0.20 microns require filtration. 
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