Click on the Pa DEP logo above to visit the ALTERNATIVE E&S AND PCSM BMPs Revised: March 21, 2017
Big Switch™ is listed on the approved BMP list on Pa DEP’s website.
Safety Data Sheet
Section 1 – Product Identification
Material Identity: Switchgrass
Section 2 – Composition/Ingredients
Weight (%) Component CAS Registry No.
100 Switchgrass Straw None
Section 3 – Hazards Identification
HMIS Hazard Ratings:
Health: 1 Flammability: 1 Chemical Reactivity: 0
NFPA Hazard Ratings:
Health: 1 Flammability: 1 Chemical Reactivity: 0
Section 4 – First Aid Measures
Ingestion: Not applicable under normal use.
Inhalation: Remove to fresh air. If persistent irritation, severe coughing, breathing difficulties occur, seek medical advice before returning to work where Switchgrass pellets/dust are present.
Eyes: Flush with water to remove debris/dust particles. If irritation occurs, seek medical attention.
Skin: If a rash or persistent irritation or dermatitis occur, seek medical advice before returning to work where Switchgrass pellets/dust are present.
Section 5 – Fire Fighting Measures
Flash Point: N.A. – Combustible solid
LEL: Not available UEL: Not available
Extinguishing Media: Water, CO2, sand
Unusual fire or explosion hazards: Dust is a strong to severe explosion hazard if a dust ‘cloud’ contacts an ignition source. Explosive limits in air: 40 mg/m3 (LEL).
Section 6 – Accidental Release Measures
Sweep or scoop and place in disposal container. May be disposed of as a nonhazardous waste.
Section 7 – Handling and Storage
Store in a cool, dry place with adequate ventilation. Keep away from ignition sources.
Section 8 – Exposure Controls/Personal Protection
Particulates not otherwise classified; ACGIH TLV-TWA = 5 mg/m3
OSAH PEL – TWA = 15 mg/m3 (total dust) 5.0 mg/m3 (reparable fraction)
NOTE: Data are for wood dust.
Section 8 – Exposure Controls/Personal Protection (continued)
Use good ventilation – typically 10 air changes per hour.
Wear safety glasses with side shields.
Other protective equipment, such as gloves and approved dust respirators, may be needed depending on dust conditions.
Section 9 – Physical and Chemical Properties
Boiling Point N.A.
Vapor Pressure N.A.
Vapor Density N.A.
Solubility in Water Insoluble
Appearance and Odor Tan, slight straw odor
Bulk Density 40 lbs./ft3
Melting Point N.A.
Evaporation Rate N.A.
Section 10 – Stability and Reactivity
Incompatibility: May react with strong oxidizers
Hazardous Polymerization: Will not occur
Conditions to Avoid: Avoid continuous exposure of material to temperatures in excess of 400° F (204° C).
Section 11 – Toxicological Information
Carcinogenic: Wood dust is classified as a Class 1 human carcinogen. Lacking additional data, switchgrass dust should be regarded as a similar hazard.
Section 12 – Ecological Background
Switchgrass is a perennial prairie grass native to North America east of the Rocky Mountains. It is under cultivation for conservation purposes, seed propagation, forage, wildlife habitat, biomass energy, and other potential industrial uses.
Section 13 – Disposal Considerations
May be disposed of as nonhazardous waste if not contaminated.
Section 14 – Transportation Information
May be shipped normally as nonhazardous material.
Section 15 – Regulatory Information
Per 3/27/17 email from Pa. DEP's William Himes, Big Switch™ is listed on the approved BMP list on DEP's website -- Alternate E&S and PCSM BMP's. Therefore, this product has been approved for use on PennDOT projects as a Pub 408, Section 106.02(a)2.c, Project Specific Locally Approved Material.
PennDOT has issued a Letter (Determination Report) to BEG Group LLC stating that Big Switch™ is approved for use as an alternate to compost under Section 867-Compost Filter Sock. Big Switch™ must be used with a filter sock that meets the specification criteria listed in Section 867. This letter can be attached to Form CS-4171LA as proof that Big Switch™ is an approved alternate to compost for this use.
Cambridge, OH. (January 17, 2017) — BEG Group LLC announced today that it has earned the U.S. Department of Agriculture (USDA) Certified Biobased Product label. The product, Big Switch™ Filtration & Erosion Control Medium, is now able to display a unique USDA label that highlights its percentage of biobased content. (Big Switch has a biobased content of 100%) Third-party verification for a product's biobased content is administered through the USDA BioPreferred Program, an initiative created by the 2002 Farm Bill (and most recently expanded by the 2014 Farm Bill). One of the goals of the BioPreferred Program is to increase the development, purchase and use of biobased products. The USDA Certified Biobased Product label displays a product's biobased content, which is the portion of a product that comes from a renewable source, such as plant, animal, marine, or forestry feedstocks. Biobased products are cost-comparative, readily available, and perform as well as or better than their conventional counterparts.
"We applaud BEG Group LLC for earning the USDA Certified Biobased Product label," said Kate Lewis, USDA BioPreferred Program. "Products from BEG Group LLC are contributing to an ever-expanding marketplace that adds value to renewable agriculture commodities and creates jobs in rural communities.
61455 Greenbriar Drive
Cambridge, Ohio 43725
Perry Burt (740) 680-0343
Jay Elkin (412) 289-0174
Joe Greco (724) 681-4414
BEG Group LLC Earns USDA Certified Biobased Product Label
The BEG Group Lafayette, Louisiana Office
Beg Group's southern office address is:
3309 Kaliste Saloom Rd
c/o The Belltech Group (337) 981-2268
Belltech Group, a professional construction company specialized in all phases for commercial and industrial providing design, fabrication, installation, and construction management services for over 35 years, will represent BEG Group's patent pending trade named "Big Switch" Erosion/Filtration interests. http://www.thebelltechgroup.com/
Big Switch™ Protects Endangered Mussels
The Big Switch™ Erosion/Filter Medium Specification Sheet
Big Switch™ is a sturdy polypropylene geotextile (woven) fabric (see note below) that has been engineered specifically for controlling erosion and containing and/or retaining sediment in disturbed areas. It is a mesh tube filled with biobased material that is placed perpendicular to sheet-flow runoff. Big Switch™, which is oval to round in cross section, provides a three-dimensional filter that retains sediment and other pollutants (e.g., suspended solids, tannic acid, nitrates, phosphate’s and motor oil) while allowing the cleaned water to flow through. Big Switch™ can be used in place of traditional sediment and erosion control tools such as a silt fence, straw bale barrier and mulch socks.
NOTE: As of October 3, 2016 we offer a cotton fabric sock which is 100% biodegradable
Big Switch™ sock are generally placed along the perimeter of a site, or at intervals along a slope, to capture and treat storm water that runs off as sheet flow. Big Switch™ filters are flexible and can be filled and easily moved into position, making them especially useful on steep or rocky slopes where installation of other erosion control tools is not feasible. With Big Switch™ there is greater surface area contact with soil than typical sediment control devices, thereby reducing the potential for runoff to create rills under the device and/or create channels carrying unfiltered sediment.
Additionally, they can be laid adjacent to each other, perpendicular to storm water flow, to reduce flow velocity and soil erosion. Big Switch™ can also be used on pavement as inlet protection for storm drains and to slow water flow in small ditches. Big Switch™ Filters are 8,12,18, and 24 inches in diameter. Organic cotton biodegradable, and photo-degradable Filters are available for required applications.
Big Switch™ Filters can be un-vegetated or vegetated. Vegetated Big Switch™ can be left in place to provide long-term filtration of storm water as a post-construction best management practice (BMP). The vegetation grows into the slope, further anchoring the filter. Big Switch™ are often cut open when the project is completed, and the filter material is spread around the site as a soil amendment. The filter mesh fabric is then disposed of unless it is biodegradable.
Advantages Big Switch™ has over traditional sediment control tools, such as a silt fence, and mulch are:
Big Switch™ installation does not require trenching disturbing the soil surface.
Big Switch™ is much more easily installed.
Big Switch™ can be installed where trenching is not viable.
Big Switch™ has a wider contact surface area.
Big Switch™ does not contribute additional tannic acids.
Big Switch™ does not need to be removed.
Due to the light weight of Big Switch™ vs. mulch you save on back strains and shipping cost.
Big Switch™ Filters are applicable to construction sites or other disturbed areas where storm water runoff occurs as sheet flow. Common industry practice for filter devices is that drainage areas do not exceed 0.25 acre per 100 feet of device length and flow does not exceed one cubic foot per second (see Siting and Design Considerations). Big Switch™ Filters can be used on steeper slopes with faster flows if they are spaced more closely, stacked beside and/or on top of each other, made in larger diameters, or used in combination with other storm water Best Management Practices.
Siting and Design Considerations
Materials: Big Switch™ achieves the proper balance between sediment removal and flow-through rate by using biobased material with the proper particle size. Filter material with a high percentage of fine particles will clog and create a barrier to flow. Alternatively, filter material with particles that are too large will allow flows to pass through the barrier with little or no resistance, eliminating the velocity reduction and sediment trapping benefits of the barrier.
Design: Big Switch™ Filters are round to oval in cross section; they are assembled by tying a knot or zip tie at one end of the mesh, filling the filter with the material then knotting or zip tying the other end once the desired length is reached. Big Switch™, the length of the slope, is normally used to ensure that storm water does not break through at the intersection of Big Switch™ placed end-to-end. In cases where this is not possible, the Big Switch™ filters are placed end-to-end along a slope and the ends are interlocked. The diameter of Big Switch™ used will vary depending upon the steepness and length of the slope.
Installation: Once Big Switch™is filled and put in place, it should be anchored to the slope. The preferred anchoring method is to drive stakes through the center of the tube at regular intervals; alternatively, stakes can be placed on the downstream side of the Big Switch™. Stakes should be wooden 2” X 2“of appropriate length to provide 12” embedding in the ground + the sock diameter + 2” sticking above the sock and at 10’ spacing. The ends of the Filter should be directed up-slope to prevent storm water from running around the end of the Big Switch™.
Limitations: Big Switch™ offers a large degree of flexibility for various applications. To ensure optimum performance, heavy vegetation should be cut down or removed, and extremely uneven surfaces should be leveled to ensure that Big Switch™ uniformly contacts the ground surface. Big Switch™ installed perpendicular to flow in areas where a large volume of storm water runoff is likely, but should not be installed perpendicular to flow in perennial waterways and large streams.
Big Switch™ Filters should be inspected regularly, as well as after each rain event, to ensure that they are intact and the area behind Big Switch™ is not filled with sediment. If there is excessive ponding behind Big Switch™ or accumulated sediment reaches the top of the filter, an additional Big Switch™ Filter should be added on top or in front of the existing filter in these areas, without disturbing the soil or accumulated sediment. If Big Switch™ was overtopped during a storm event, the operator should consider installing additional Big Switch™ on top of the original, placing an additional filter up the slope, or using an additional BMP such as hydro seeding, matting/netting or compost blankets in conjunction with the Big Switch™ Filter.
Effectiveness: A large number of qualitative studies have reported the effectiveness of filter tube devices in removing settle able solids, total suspended solids and turbidity reduction from sediment laden water, (see Dr. Amanda Cox, Colorado State University, 2011). These studies have consistently shown that filter tubes devices, i.e. Big Switch™, are at least as effective as traditional erosion and sediment control BMP’s and often are more effective. Big Switch™ filters are often used in conjunction with hydro seeding, matting/netting, or compost blankets to form a storm water management system. Together these BMPs retain a very high volume of storm water, sediment and other pollutants.
The BEG Group's patent pending Biodegradable Switchgrass Product aka
Our patent pending and trade named "Big Switch™" Filter Process & Products meet the following Requirements:
1. Big Switch™ has been tested and proven to reduce turbidity, reduce nitrate levels and has shown to reduce, and does not contribute to, tannic acids levels.
2. Big Switch™ serves as a silt filter and a pollution neutralizing barrier which can be installed along the perimeter of an area that is known to produce polluted surface runoff. The biodegradable filter sock is made from a biodegradable mesh that is water permeable and is photodegradable or biobased cotton. This allows the user to leave the product in a specific location to filter runoff and eventually decay into environment friendly materials.
3. Big Switch™ typically allows for a greater water flow through when compared to a similar mass of wood chips. Thus, greater volumes of water is capable of flowing through the switchgrass while being filtered. This is useful as increased flow helps prevent the possibility of water pooling on one side of the filter sock and potentially causing ground erosion or spilling over the top of the filter sock.
Pictured below: Cleveland Metro Parks uses Big Switch™ for sediment control as well as for phosphate and nitrogen retention to help prevent high concentrations of these nutrients from getting into streams causing growth of algae and green plants in their waterways and eventually the Great Lakes. Cleveland Metro Parks switched to our 100% cotton biopreferred sock which they intend to leave in place to degrade naturally.
Beg Group's patent pending Big Switch™ Erosion/Filtration Medium has been installed at the Hunter Station Bridge (SR 62) Bridge endangered mussel salvage and relocation project in northwestern Pennsylvania over the Allegheny River to help guard against contamination and pollution of said mussels and for erosion control. The project is located in a reach of the Allegheny River that contains the largest known populations of the federally and state endangered Clubshell (Pleurobema clava) and Northern Riffleshell (Epioblasma torulosa rangiana).
The project is unique in scale as over 85,000 endangered mussels may be salvaged from under the bridge prior to construction, and relocated to augment or reintroduce the species to various locations across their original range. Relocation areas include streams in IL, IN, OH, PA, NY, KY, WV, and the Seneca Nation of Indians, Salamanca Reservation.
Business Consulting by:
The BEG Group
May 31, 2017
Congratulations on BEG Group's Big Switch™ Bio Preferred Erosion/Filtration Medium winning a 2017 Environmental Protection New Product of the Year award.
The Environmental Protection New Product of the Year Award honors the outstanding achievements of industry manufacturers whose products are considered particularly noteworthy for making environmental professionals’ jobs a little easier.
Group Marketing Director,
Infrastructure Solutions Group – Environmental Protection
Dallas, TX 75254