Radium-228 – Drinking Water

Laboratory Fee Schedule

Group: Radiochemistry

Procedure #:  EZZ0147A
CPT:  N/A
 

Synonym(s):Ra-228 in Drinking Water
Requisition FormG-22
Test DescriptionThe determination of Ra-228 in drinking water samples.
Pre-Approval NeededN/A
Supplemental Information RequiredN/A
Supplemental Form(s)N/A
Performed on Specimens from (sources)Environmental
Sample/Specimen Type for TestingPotable water
Minimum Volume/Size RequiredHard or soft plastic; 1 gallon + 1 liter
Storage/Preservation Prior to ShippingNone  -   Sample must be submitted to the laboratory within 5 days of collection.
Transport MediumN/A
Specimen LabelingLabel each bottle with a water proof marker. Pre-printing labels is acceptable. Sample identification must match submission form.
Shipping and Specimen Handling RequirementsSample must be submitted to the laboratory within 5 days of collection.
MethodSM 7500-RaD
Turn-around TimeSample must be analyzed within 180 days of sample collection. The target sample turnaround time is 120 days from date of receipt.
Interferences/LimitationsN/A
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
  • sample not received by the lab within 5 days of collection
Additional InformationAll radiochemical drinking water samples are analyzed for gross alpha, gross beta, radium 228, and uranium mass. If either the gross alpha radioactivity or the combined gross alpha and radium 228 radioactivity exceeds 5 pCi/L, then radium 226 is also analyzed.