Environmental Remediation: Gypsum May be used to mitigate soil erosion and Regulate dust on development web sites. It is also Utilized in wastewater treatment method processes to eliminate impurities. Map of gypsum deposits in northern Ohio, black squares reveal The placement of deposits, from "Geography of Ohio", 1923 Gypsum is https://www.propanraya.com/id/produk/eco-gypsum-ee-4050