EDB & DBCP – Drinking Water

Laboratory Fee Schedule
Procedure #:  EZZ0080A

Synonym(s): EDB & DBCP in Water
Requisition Form G-22
Test Description Ethylene dibromide (EDB) and dibromochloropropane (DBCP), EPA 504.1
Pre-Approval Needed N/A
Supplemental Information Required Measure and record the chlorine residual
Supplemental Form(s) N/A
Performed on Specimens from (sources) Environmental
Sample/Specimen Type for Testing Drinking Water
Minimum Volume/Size Required 40 mL Glass vials with silicon/Teflon (PTFE) liners required.  Collect three (3) vials of sample.  Collect two (2) vials for a field blank
Storage/Preservation Prior to Shipping •    Add 3 mg sodium thiosulfate to each 40 mL vial (to dechlorinate).
•    Open the tap and allow the system to flush until the water temperature stabilizes, at least 5 minutes. Turn flow down to a smooth, pencil thin stream.
•    Remove cap from the bottle, tilt, and place under stream.
•    Sampling equipment must be free of plastic tubing, gaskets or other parts that may leach interfering analytes into the sample
•    Fill the container with sample water. Mix for one minute until the sodium thiosulfate is completely dissolved.
•    Store at 4°C.
•    Store samples away organic solvent vapors.
Transport Medium N/A
Specimen Labeling •    Label each bottle with a waterproof marker. 
•    Pre-printing labels is acceptable.    
•    Sample identification must match submission form.
Shipping and Specimen Handling Requirements •    Ship according to Dangerous Goods Regulations, IATA, and/or CFR 49.
•    Ship on ice (4°C).
Method EPA 504.1
Interferences/Limitations Matrix interferences may be caused by contaminants that are coextracted from the sample. The extent of matrix interferences may vary considerably from sample to sample.
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, and/or incomplete or missing submission form
Additional Information Contact the laboratory at (512) 776-7587 for currently supported analyte list.