River Valley Organics is an affiliate company of Filtrexx International. We supply and install filter soxx as a best management practice to contractors and developers around Pennsylvania. Filter soxx come in a variety of sizes and are designed primarily to replace silt fence although there are numerous other applications. please click on the Filtrexx name and go to the Filtrexx web site for additonal design information and design tools as well as for an international list of authorized installers.

Filter soxx are a superior product that provide perimeter sediment control that is far more effective than traditional bmp’s are at cleaning stormwater runnoff. Filter soxx don’t fall dow. Your on site maintenance staff will love how easy it is to maintain filter soxx and will appreciate the easy installation that our trained and certified staff provide.

Filter soxx and filter berms have been tested and approved by numerous organizations such as the USEPA , AASHTO, USDA, and PA DEP . Cost are generally quoted as an installed price and are based on a variety of variables such as location, access to the site and quantity of material needed. Please contact Doug Caldwell for any further pricing information.

Compost blankets and Eco blankets are sustainable alternative to traditional rolled blankets and hydroseed applications. Compost is particularly effective in areas where poor soil conditions exist but also need to have vegetation on the slopes. River Valley’s pneumatic application services provide a cost effective delivery system to install these products which act as both an erosion blanket and incorporate seed at the same time.

TABLE 13.9 (ENGLISH) MAXIMUM SLOPE LENGTHS FOR FILTREXX SILT SOXX

Slope	Maximum Slope Length Above Silt Soxx (ft)*
Percent	8 in Silt Soxx	12 in Silt Soxx	18 in Silt Soxx	24 in Silt Soxx
2 (or less)	600	750	1000	1300
5	400	500	500	650
10	200	250	300	400
15	140	170	200	325
20	100	125	140	260
25	80	100	110	200
30	60	75	90	130
35	60	75	80	115
40	60	75	70	100
45	40	50	60	80
50	40	50	50	65

*Based on failure point of 36 in (0.9 m) Super Silt Fence = 1000 ft (303 m) of slope, watershed width equivalent to receiving sediment filter, 1 in/ 24 hr (25 mm/24 hr) rain event.