PENNZSUPPRESS®
D RECOMMENDED PRACTICES FOR TEMPORARY EROSION REDUCTION
Note: These recommendations are based on a limited number of
successful field experiences and observations. It is the responsibility
of the project engineer to ensure that other controllable factors are
considered prior to using PennzSuppress® D
to reduce surface soil movement. Since there are numerous variables
beyond its control in this type of product application, Pennzoil Products
Company cannot warrant the performance of PennzSuppress®
D in field applications for erosion reduction or control.
GRASS SEEDING APPLICATIONS
Purpose: To penetrate the soil surface and bind the soil to reduce surface
soil movement until root growth progresses to provide a means to further
reduce or prevent surface soil movement.
The soils should meet the project specifications for particle size
distribution, nutrient content, moisture content and slope of treated
surfaces. It is recommended that grass be seeded by using a cultipacker or
equivalent to "drill" the seed into the soil below the soil surface.
In lieu of this method, PennzSuppress® D can
be used to "tackify" seed bearing mulch or straw that has been
previously applied.The type of seed chosen should be in accordance with the
project specifications. After seeding, PennzSuppress®
D should be applied as evenly as possible to soil surface. Flat surfaces
should receive 0.25 to 0.50 gallons per square yard (1.125 to 2.25 liters per
square meter) of a product dilution ranging from 10:1 parts water to
concentrated PennzSuppress® D, to a dilution
of 20:1 water to product dilution. The dilution and application rate will
vary, depending on the soil characteristics, including slope, relative
compaction of the soil, and soil moisture content. The product should be
applied when the daily high ambient temperature is at least 70oF and at a time when rainfall is not expected in the following 3
hours.
DIRECT APPLICATION WITHOUT SEEDING
Purpose: To provide temporary reduction of surface soil movement until more
permanent measures are taken to reduce or eliminate erosion.
The methodology is the same as above for grass seeding operations, except
for the absence of seeding. To improve results, it is recommended that the
treated soils be compacted if practical.
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