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Controlling Turbidity: Getting Flocculation to Work on Your Site

While the US EPA has withdrawn its proposed turbidity limit on construction site runoff, there are still many states have or are proposing their own enforcement levels. Construction site owners and managers are also looking for ways to avoid public outcry and potential lawsuits over muddy water leaving their site. In most cases, typical and even more advanced erosion and sediment control practices will not prevent discharges that look like chocolate milk. This two-part seminar will explore the principles behind chemical treatments to rapidly settle suspended solids and reduce turbidity in runoff from construction sites. In the second part, he will then go over a variety of methods to apply those principles to greatly reduce turbidity. After conducting research on this subject for over 10 years in both laboratory and active construction site setting, McLaughlin has a lot of data to back up his recommendations! He will wrap up with a discussion of suggested chain of command options to avoid failures.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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Ecological Monitoring for Construction

While monitoring and management of protected adjacent wetland features is a common condition of most anthropogenic activity approvals, no standard method for such work currently exists in Canada on a national (or provincial) level. Ecological monitoring methods open vary between sites depending on the preferred methods of the body conducting the work, and/or associated regulatory agencies. Consequently, the absence of standardization for ecological monitoring results in wide-ranging interpretation, development, implementation and quality of monitoring plans which in turn creates a “grey area” when it comes to consistency, compliance and accountability. What can you do to make sure you are working in compliance when there is no standard?
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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EPA's Final 2017 Construction General Permit

In February 2017, the U.S. Environmental Protection Agency’s National Pollutant Discharge Elimination System (NPDES) Construction General Permit (CGP) will become effective. This session will provide background on construction stormwater regulations, discuss changes in the 2017 CGP, and review the process for obtaining coverage under the new permit.
Member Price:
$0.00
Nonmember Price:
$50.00
Available for Immediate Download
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Evaluation of Inlet Protection Practices using Large-Scale Testing Techniques

This technical presentation will showcase current ongoing research and large-scale testing efforts focused on improving existing storm drain inlet protection practices. The study, being conducted at the Auburn University Erosion and Sediment Control Testing Facility (AU-ESCTF), includes the investigation of typical roadway median inlet protection practices (i.e., aggregate barriers, sand bag barriers, silt fence barriers, wattle barriers, and manufactured practices) for protecting drop inlets during construction activities. Effective inlet protection practice needs, developed testing procedures, data collection practices, performance characteristics, and results will be discussed.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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Improving Infiltration & Vegetation in Post-Cons

This webinar will highlight treatment technologies that can be implemented in the construction industry to manage turbidity from dewatering operations. Dewatering methods are briefly introduced; however, the course focuses on best available technologies to treat and polish pumped effluent. Participants will be exposed to a decision matrix that assists in identifying the appropriate treatment for a site specific operation. Upon selection of the treatment, basic design elements are presented for consideration. The webinar targets a broad based audience who can use the information provided as a foundation to then independently research a specific treatment technology in more detail.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
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Introduction to Erosion and Sediment Control

This course has been developed to introduce participants to the concepts of Erosion and Sediment Control (ESC). It is intended for contractors, developers, consultants, municipal staff, landowners or anyone looking to gain a general knowledge of erosion and sediment control concepts and best management practices. The course is comprised of eight modules and discusses the potential impacts of construction activities, ESC fundamentals, erosion control practices, sediment control practices, in-water and near water works, pollution prevention, winter preparedness and legislation.
Member Price:
$75.00
Nonmember Price:
$100.00
Available for Immediate Download
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Lessons in LID Construction

Low Impact Development (LID), an innovative stormwater management approach that treats, infiltrates, filters, and retains runoff at the source, is quickly becoming the new norm in Ontario. Construction of LID practices involves techniques and specifications that differ from traditional stormwater management construction practices. Failing to follow proper LID construction methods can result in barren bioretention landscapes, clogged infiltration practices, uneven permeable pavements, and ultimately costly post-construction repairs.
Member Price:
$50.00
Nonmember Price:
$65.00
Available for Immediate Download
↑/↓ Full Details