Erosion Control Systems Inc. - Erosion Control Biodegradable

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|Product         |ECS Std.  |ECS H-1   |ECS Std.  |ECS - HV  |          |
|Name            |excelsior |excelsior |straw     |straw     |          |
|________________|__________|__________|__________|__________|__________|
|Product Type    |Erosion   |Erosion   |Erosion   |Erosion   |          |
|                |Control   |Control   |Control   |Control   |          |
|                |Blanket   |Blanket   |Blanket   |Blanket   |          |
|________________|__________|__________|__________|__________|__________|
|Composition     | poplar   | poplar   | wheat    |2 nets &  |          |
|                |          |          | straw    |wheatstraw|          | 
|________________|__________|__________|__________|__________|__________|
|Color           |natural   |natural   | natural  | natural  |          |
|________________|__________|__________|__________|__________|__________|
|Mass/Unit Area  |          |          |          |          |          |
|ASTM D5261-92   |          |          |          |          |          |
|    g/m2        |          |          |   270    |   270    |          |
|   (oz/sy)      |  (15.7)  |  (15.8)  |   (8)    |   (8)    |          |
|________________|__________|__________|__________|__________|__________|
|Recommended     |          |          |          |          |          |
|Maximum Slope   |          |          |          |          |          |
|   Batter       |   2:1    |  1.5:1   |   2:1    |  1.5:1   |          |
|     H:V        |          |          |          |          |          |
|________________|__________|__________|__________|__________|__________|
|Limiting Shear  |          |          |          |          |          |
|Stress Bare Soil|          |          |          |          |          |
|Vegetated @xhrs |          |          |          |          |          |
|   Kg/sm        | 1.8 lb/ft|2.25 lb/ft| 1.6 lb/ft|2.25 lb/ft|          |
|  (lbs/sf)      |          |          |          |          |          |
|________________|__________|__________|__________|__________|__________|
|Manufacturer's  |slopes,   |slopes,   |slopes,   |slopes,   |          |
|Suggested       |berms     |channels  |berms     |channels  |          |
|________________|__________|__________|__________|__________|__________|