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Technical

Total fluorine (F) analysis is required for approval by Compost Manufacturing Alliance and to determine if foodservice packaging meets any local requirements for F content.

Samples for Testing
One sample should be a complete foodservice package prepared for testing as noted below. The packaging must be ground to less than 20 mesh size to homogenize the sample. However, additional samples may be needed.

  • If any F-containing dry end sizing or release agents are used, an additional sample should be submitted with the dry end sizing or release agents wiped off or with the additional sample prepared without the release agent or dry end sizing. The specific supplier, brand and grade of the dry end sizing or release agent must be provided.
  • If the packaging material formulation includes minerals, then each mineral ground to less than 20 mesh must be submitted for analysis. The specific suppliers, brands and grades of the minerals must be provided; also provide location of mines or plants that produces the minerals if not able to be identified by the other information. Lastly, the percent loading of each mineral in the material formulation must be provided.

Sample Grinding
If needed, the following two labs will grind samples, coordinate the total F testing at an approved lab and provide a testing summary report.

  • Advanced Materials Center
    125 Swanson St
    Ottawa, IL 61350
    Ron Walling – President
    (815) 433-1495
  • Soil Control Lab
    42 Hangar Way
    Watsonville, CA 95076
    Mike Galloway – President
    (831) 724-5422

Approved Testing Labs
To ensure proper testing for total F content, the testing must be performed at one of the three labs listed below; please note any special testing requirements listed for a lab. These labs will also grind samples for an additional cost.

  • QC Metallurgical
    17048 215th St
    Davenport, IA 52906
    (563) 386-7827
    Todd Bloodworth- Director
    Note: must request digestion by Paar bomb
  • Galbraith Laboratories
    P.O. Box 51610
    Knoxville, TN 37950-1610
    (865) 546-1335
    Ima Profitt- Contact
    Note: must perform at least duplicate test; if results do not match, then a third test is required
  • Chem-Bac Laboratories
    PO Box 19198
    Charlotte, NC 28219
    (704) 394-6381
    James T. Ward- Supervising Chemist

July 10, 2020
Rev. 0

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