Welcome to the CMA Testing Center!
We appreciate your commitment to producing compostable products that composters can accept. Let’s get started!
New Online Submission Form!
CMA’s new and improved compostability profile will help you easily gather all necessary information to make a sample submission for field testing. You’ll be able to save your progress and return to the form at any time if necessary.
If you have any questions during the process, we’re available to contact using this form, at CustomerService@ComposterApproved.com, or by phone at 206-771-3853.
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Upcoming Tests

Facility/LocationLocationTest No.TypeProcess DaysSamples DuePlacementResults
Cedar GroveEverett, WACG126Covered In-Vessel462/27/20243/1/20245/15/2024
Walker Industries - Arthur FacilityON, CanadaWAL02Covered In-Vessel60TBDTBDTBD
Olympic OrganicsKingston, WAOLY20Aerated Static Pile423/12/20243/14/20244/25/2024
St. Louis CompostingBelleville, ILSLC24Windrow903/19/20243/26/20247/24/2024
New EarthSan Antonio, TXNEW18Windrow902/6/20242/16/20246/16/2024
Tests Currently In Process
Facility/LocationLocationTest No.TypeProcess DaysPlacementResults
St. Louis CompostingBelleville, ILSLC23Windrow9012/28/20234/26/2023
Napa RecyclingWoodland, CANAP04ASP6010/23/202341/23/2024
Olympic OrganicsKingston, WAOLY19ASP421/31/20243/14/2024
Cedar Grove Everett, WACG124Covered In-vessel4611/30/20232/24/2024
Cedar GroveEverett, WACG125Covered In-vessel462/15/20244/1/2024
New EarthSan Antonio, TXNEW17Windrow9011/16/20233/16/2024