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Polyacrylamide (PAM) Soil Stabilization Polymers

Polyacrylamide (PAM) polymer flocculants are environmentally safe water soluble safe, water-soluble products that reduce soil erosion and turbidity in storm water runoff runoff.

The Dirtbag and many other standard sediment control BMPs work well when soil particles are sand and silt...

When dealing with very fine clay particles that do not settle or filter well, other treatment options might be needed

The USDA has years of research into PAM

www.nwisrl.ars.usda.gov/pampage.shtml

PAM polymers interact predominantly with the clay and fine fractions of soils. PAM creates an electro chemical reaction soils electro-chemical that induces these fine soil particles to cluster together. Clustered particles are more resistant to erosive forces and aid in deposition.

One size does not fit all!

Site specific soil analysis to ensure proper selection and maximum performance of PAM is available. Testing is simple, no charge and only takes a couple of days, Contact your local ACF representative for details.

When applied properly up stream from basins and ponds,

Prior to application

After Application

PAM treatment can significantly reduce erosion and aid in deposition of eroded particles.

General Introduction PAM One form of PAM powder is specifically tailored for controlling soil erosion erosion. The powder can be applied in dry form.

APS

Here is an example of the dry Pam application directly to the soil.

PAM powder can also be mixed with sand for dry applications using basic equipment.

Soil application prevents particles from going into suspension.

A PAM emulsion is also specifically tailored for controlling soil erosion and provides easier and quicker mixing for hydraulic applications to attain the same results results.

PAM powder and/or emulsion application may not always be 100% effective in preventing soil particle movement, especially in the case of less frequent, more extreme rain events.

PAM is also available as a gel block that when placed within that, storm water or construction site runoff, will remove fine particles and reduce turbidity.

The gel blocks represent the second phase of a conservative "belt and suspenders" approach to PAM implementation. The gel blocks can be tied to a stake in an open channel, or...

...tied to and hung from drainage inlet grates...

Gel block tied to grate in place in drainage pipe

As water flows over the logs, they slowly dissolve, introducing the PAM into the flowing water.

· ·

Timing will be a critical factor in Gel Block effectiveness. g The test report will indicate which Gel Block to use as well as how long of an interaction or mixing time is need for the PAM to work

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PAM as an Erosion Prevention BMP

Treated soil particles cluster together at the soil surface so that when uplift forces are created the larger soil particle clusters are more resistant erosive forces.

PAM as a Water Quality BMP

Treated soil particles cluster together to aid deposition, reducing turbidity in outflow from ponds and basins.

Outflow

APS PAM has documentation available upon request to meet Safety and Compliance Issues

· Type of Charge · ANSI/NSF · EPA Toxicological & Ecological Standards g · OSHA

PAM Summary

PAM is a cost effective erosion & sediment control, water quality and water quantity BMP t l t lit d t tit PAM performance and safety is based upon p y p specific soil and PAM product characteristics PAM i not a stand alone BMP but works best is t t d l b t k b t when implemented to enhance performance of a BMP " "treatment train"

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Microsoft PowerPoint - Intro_to_PAM_1.0 [Compatibility Mode]

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