Dairy Water- Total Coliform MPN- Milk and Dairy

Laboratory Fee Schedule

Procedure: MZZ0440A


Synonym(s): Total coliform, Dairy Water MPN
Requisition Form G-20
Test Description Detects the presence of Total coliform bacteria in Dairy Waters.
Pre-Approval Needed Regulatory
Supplemental Information Required N/A
Supplemental Form(s) N/A  
Performed on Specimens from (sources) Food
Sample/Specimen Type for Testing

Glycol, Sweetwater, Chilling Water, Cooling Water, Silo Water, Dairy Waters

Minimum Volume/Size Required > 105 mL.
Storage/Preservation Prior to Shipping
  • Place sample in water-tight, wide-mouthed container with a capacity of at least 120 mL (4 oz).
  • Sodium thiosulfate (100mg/L) must be added to containers before sterilization (0.1 mL of 10% sodium thiosulfate solution, appropriate tablet, or powder).
  • Samples must be tested within 30 hours of collection.
  • Dairy water samples must be.
    • tested within 6 hours of collection if not refrigerated (temperature control not required)
    • maintained at 0.0°C to 4.5°C and shipment must include temperature control.
Transport Medium N/A
Specimen Labeling Sample Identification must match submission form.
Shipping and Specimen Handling Requirements
  • Ship samples on Ice and/or Ice Packs
  • Samples must be shipped for overnight delivery.
  • Ship according to Dangerous Good Regulations, IATA, and/or CFR 49.

FORM FDA/NCIMS 2400m Dairy Waters

Turn-around Time 5 Days
Interferences/Limitations Can detect total coliform bacteria at a sensitivity of <1.1 CFU/100 mL.
Common Causes for Rejection
  • Not collected by a Registered Sanitarian 
  • Insufficient quantity specimen
  • Improperly stored, 
  • Failure to meet shipping guidelines.
Additional Information N/A