Fairmount Minerals’ subsidiaries, Best Sand Corp. and Wedron Silica Co., produce high-quality fi ltration media. All media is washed, dried and precisely screened to meet each customer’s requirements. All products meet or exceed the AWWA B100-96 specifi cations and are certifi ed to ANSI/NSF Standard 61. A full range of sizes is offered, from 0.20-mm sand to 2-in. gravel.