Standard Plate Counts- Dairy products - Milk and Dairy

Laboratory Fee Schedule

Procedure #:  MDG0382A


Synonym(s): PAC, Standard Plate Counts, SPC
Requisition Form G-84; G-21; G-21 RR
Test Description Enumeration of Coliform Bacteria using the 3M® Petrifilm™ method.    
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

Dairy Products

Minimum Volume/Size Required

100 mL/ 100 grams

Storage/Preservation Prior to Shipping
  • Place milk sample in sterile zip-lock or whirlpack bag or other sterile plastic container.
  • Store on ice.  Must be kept between 0.0°C and 4.5°C.
  • Sample must be tested within 60 hours of collection
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.
Method FORM FDA/NCIMS 2400a-4: Petrifilm™ Aerobic and Coliform Methods
Turn-around Time 4 Days

The sample must be tested within 60 hours of collection. 

Causes for Rejection Insufficient specimen, not collected by a Registered Sanitarian, improperly stored and/or failure to meet shipping guidelines
Additional Information N/A