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, WACG128Covered In-Vessel49-607/19/20247/23/202410/10/2024
Walker Industries - Arthur FacilityON, CanadaWAL03Covered In-Vessel607/19/20247/31/202410/31/2024
ASPTBDTBDAerated Static Pile42TBDTBDTBD
St. Louis CompostingBelleville, ILSLC25Windrow9010/7/202410/16/20241/16/2025
New EarthSan Antonio, TXNEW20Windrow908/15/20248/23/202412/23/2024
Tests Currently In Process
Facility/LocationLocationTest No.TypeProcess DaysPlacementResults
Walker Industries - Arthur FacilityON, CanadaWAL02Covered In-vessel605/31/20248/28/2024
Cedar GroveEverett, WACG126Covered In-vessel49-6004/16/20247/3/2024
Cedar GroveEverett, WACG127Covered In-vessel49-606/6/20248/28/2024
Cedar GroveEverett, WACG127.5Covered In-vessel49-607/2/20249/20/2024
St. Louis CompostingSt. Louis, MOSLC24Windrow907/16/202411/16/2024
New EarthSan Antonio, TXNEW18Windrow902/21/20246/21/2024
New EarthSan Antonio, TXNEW19Windrow905/22/20248/22/2024