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• 0 <br />Chapter 4-Site-Specific Industrial Storm Water BMPs <br />r. <br />Advantages of a Gravel or Stone Filter Berm <br />• Is a very efficient method of sediment control <br />Disadvantages of a Gravel or Stone Filter Berm <br />• Is more expensive than methods that use onsite materials <br />• Has a very limited life span <br />• Can be difficult to maintain because of clogging from mud and soil on vehicle tires <br /> <br />• <br />4-83