海外事例：ワシントン州立公園でも水処理に活用されるEM（有用微生物群・EM菌） | EM（微生物）の力で環境を守る

United States of America EM1R and Pro EM1R Daily Probiotic Cleanse are manufactured by EMRO USA Effective Microorganisms. EM America, started in 2005, is the marketing company for the continental United States. EM TechnologyR products are sold in over 70 retail stores, including Whole Foods Market, through its extensive e-commerce site, and through over 75 resellers. The majority of clients are ho

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米国州立公園でEMが排水処理の手段として使われている。「施用後、大幅な臭気の減少、浮遊物質、BODの減少を確認」