Conference on

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• Conference on
• Advanced Treatment
• For
• Construction Sites
• October 21st, 2004
• Sacramento, California

Presented by James Mothersbaugh
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Company Information

• WT's first commercial project
• 1st direct discharge to a public lake- lt5ntu
• 2001 Conditional approval for continuous
  treatment
• Continuous toxicity testing- acute chronic
• Automated controls online testing
• 2002 Wireless monitoring and performance
  controls
• Started Operations in California
• Expanded operations in Nevada, Texas, Florida

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Company Information
Scope of Services Certified Toxicity Laboratory
Monitoring Manual and inline
automatic Stormwater Treatment multiple
designs Permitting SWPPP
NPDES Equipment Supplier of Control Systems
Fabrication of Specialty Systems
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Stormwater Phase II
Clients
Microsoft New Redmond City Hall Port of
San Francisco-Pier 48 New Washington Mutual
Headquarters Home Depot Whole Foods Sound
Transit Brightwater Design Team I-5 Everett
Design Team

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Stormwater Phase II
We use various types of technologies to process
stormwater
Trucking Infiltration Filtration Passive
Filtration Polymer-chitosan Electro-coa
gulation
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Trucking
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Infiltration
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Polymer - Chitosan
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Filtration - Cartridge, Sand Bag
Backwash to Tank
Sand Media Filters
PF50
Cartridge Filters
Settling Tank
Discharge to Storm
Site-water Collection Point
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Passive Filtration
Overflow alarm float w/ light
Overflow to holding tank
A
Fabric
B
F
Pressure Control Valve
Pressure Gage
C
D
C V
Flow meter
E

• 2 reinforced, perforated suction hose
• Pea Gravel
• Sand / recycled glass
• 5/8 7/9 washed rock
• 4 reinforced, perforated suction hose

Sample Point
C V
Screen Filter
Pump -50gpm _at_ 70 head (In riser cone)
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Electro-coagulation
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MAKE SURE WHEN COMPARISONS ARE MADE
EVERYTHING IS EQUAL
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WTs Technologies
Electro-Coagulation Carbon Dioxide Control
of Alkalinity
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Reactions Comparison
Electrical-Coagulation
Chemical Coagulation
Metal plates are charged sacrifice a () metal
ion The metal ion is normally Ferric or Aluminum
Ferric chloride positive charge Cationic
polymers positive charge

• The metal ion cause the destabilization of
  suspended particles
• The destabilization results in several forms of
  coagulation (compression, adsorption, sweep
  bridging)
• The consumption of electrical energy is inversely
  proportional to the conductivity

• Colloids normally carry a negative charge
• Dosage rate is related to contaminant load

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Advanced Treatment Technologies

• Particle destabilization is essential
• Particle sweeping is essential
• Particle agglomeration is essential

EC Technology is based on Faradays Laws of
Electrolysis
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Four Main Reaction Principles

• Electro-flotation  !!!!!!!!
• Production of micro bubbles supporting sweep
  aggregation of particles
• Electro-flocculation    
• Production of flocculating agents that promote
  bridging and coalescence to remove colloids 
• Electro-coagulation
• Production of sacrificial ions to promote
  destabilization and charge neutralization and the
  promotion of oxidation
• Electro-oxidation
• Via the production of hydroxyl radicals

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Wave-Ionics Equipment Profile
Control center for performance, power and remote
wireless monitoring management
2 Influent
Wave Ionic Pro Logic Center
W.I. Cell Unit
Transformer
Wave-Ionics Technology
Polarity
Rectifier
6 to 2 discharge
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Wave-Ionics In Action
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Equipment Special Features
Primary System Wireless alarms - notify
operator loss of flow loss of
electrical power pressure due to blockage
NTU performance pH problem
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Performance Range
pH Performance
Turbidity Performance
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Performance Results - ZINC
1 mg/l for sanitary ----- gt 99 reduction
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Performance Results - COPPER
1 mg/l for sanitary . 99 reduction
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Performance Results - LEAD
.4 mg/l for sanitary 96 Reduction
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Wave-Ionics Performance Control
Specialize Amperage Design Allows for NTU Control
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AT Stormwater Phase II
Applications for Electro-coagulation
Construction Site Stormwater Groundwater
Cleanup Emulsified Oils-Produced
Waters Metals-Pesticides
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Liquid CO2
Carbonic Acid
Liquid Carbon Dioxide stored Pressure and
released as a gas

• CO2 H20 ? H2CO3

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CO2 GAS

• CO2 H20 ? H2CO3

Carbonic Acid
Effluent
Recycled Water
Weak Acid Simple Inorganic Safe Used for 3 yrs in
Washington State
Carbon Dioxide Liquid Injection
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Network Topography
Telemetry Backbone
Application Runtime Server
Development Station
Router/Firewall
Data Storage Server
Local Station
Local Station
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Water Tectonics
Technology Evolution Turbidity pH
Metals Reduction in Stormwater
Enforcement of Regulations is changing Technolog
y is getting better
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The 1st Key
Regulators Need To Be Involved
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The 2nd Key
Clear Permit Language
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The new rules

• Temporary Erosion Control Plans
• That detail the size, frequency and volume of
  rainfall events as a baseline to design and size
• stormwater treatment systems

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The new rules
Expectations- numeric requirements!!!!!!!!! new
digital control systems allow protection for the
contractor, the State and the environment
Subjective rules put all of us at risk!!
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The new rules

• Water Characteristics
• Require the treatment system designers to address
  the site water characteristics
• high pH due to lime treatment,
• low conductivity,
• high colloidal clays
• Backup emergency plans
• Toxicity management

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The new rules

• Setup reciprocal agreements
• with other States
• Treatment systems need safeguards to protect the
  environment the user
• calibration, toxicity controls
• operation logs

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The new message
Where Sediment ends BMPs Turbidity begins -
AT
Sediment is gt 0.45 microns Turbidity is lt 0.45
microns
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Ask yourself the questions
Mobilization Treatment Costs ?
The market place will sort out cost of treatment
What Performance is required ?
The State needs to define the requirements
What are the risks? Toxicity
and Litigation
Safe ?
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Summary
Stormwater Phase II Compliance

Water Tectonics, Inc 22833 Bothell Everett
HwySuite 200Bothell, Washington 98021www.
watertectonics.comOffice 425-402-1659Fax
425-424-2168
WT
Water Tectonics
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• Thank you
• for inviting us

Presented by James Mothersbaugh