Guest Blogger

Compost Contamination-Solvable or Not?

One of CMA’s core values is to be a responsible educator in bringing the reality of composting operations to all stakeholders striving for zero waste, mitigating climate change through carbon sequestration, and replenishing our soils and the environment with compost. In this blog series, we have invited Clinton Sander with A1 Organics to share his […]
CMA Team Blog

CA to WA: A CMA Member’s Experience

I am a new member of  the CMA team, born and raised in a small town in California. Growing up there, I watched different methods for recycling and curbside pick-up come and go. I experienced separating recyclables; paper, plastic, glass, and aluminum (and even crushing cans to turn in for cash), with another bin for trash. […]
News & Updates

SPC Guide

Compostable packaging facilitates the diversion of food scraps from landfills. In current times, the use of take-out food has significantly increased demand for single-use products. Food scraps from leftovers are ideal feedstocks for making good compost. The Sustainable Packaging Coalition (SPC) has released a guide, Understanding the Role of Compostable Packaging in North America. This […]

Total Fluorine Analysis Requirements

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 TestingOne 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 […]
News & Updates

Great video on Compostable Certifications!


Is Contamination Solvable? : Sources of Contamination in Compost Feedstocks. (Part 2)

If you missed it, check out part one of this post here. While a primary source for contamination starts with “ride-a-longs” (plastic bags, plastic water bottles, non-compostable food service ware and packaging, etc.) that are included along with compostable products, compostable products that do not actually disintegrate in the composting process  are placing a significant cost burden […]

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Susan's Blogs

CMA’s Vision for 2020

An Introduction by Susan Thoman The Compost Manufacturing Alliance (CMA) partners have pioneered the compost production industry for decades. We are comprised of some of the most accomplished compost industry pioneers and thought leaders, and we continue to work to innovate programs, expand capacity, and develop vertical programs and funding to make composting and compostable […]
Contaminant Of The Month, Susan's Blogs

Contaminant Of The Month, Condiment Packets – May 2020

Catching Up on the Ketchup Packet Conundrum Large sports events, conferences, school campuses, fairs, and other public facing gatherings serving food provide both opportunities and challenges in striving for zero waste. With more venues utilizing compost collection services, it is important to ensure your contractors and food service partners work diligently to eliminate potential upstream […]
Susan's Blogs

Circular Economy Models & Composting

Circular Economy models encourage the elimination of waste in our supply chain, materials processing, and consumption habits. Commercial composters support this model by investing in businesses that take materials that would otherwise be shipped (in many cases) long distances to landfills, where they generate methane gas, a greenhouse gas 20 times more potent than C02 […]