Fats, Oil and Grease Beautiful Downtown Burbank

1
Fats, Oil and GreaseBeautiful Downtown Burbank

• Presenters Juan Gonzalez, and Stacey Christian
• Support Randy Mark

2
Fats, Oil GreaseCollection System POTW

• Impacts
• CMOM
• POTW
• Environment

3
Background

• Fats, Oil, and Grease, also called FOG in the
  wastewater business can have negative impacts on
  wastewater collection and treatment systems.

Commercial
Residential
Industrial
Wastewater Treatment Plant
4
What is FOG?

• Comes from food sources animal and plant
• Compound fatty acids and glycerol
• Large OG molecules are 150 microns (when free
  floating)
  
• Hydrophobic insoluble in water
• Hardens and accumulates in sewers Results in
  Blockages

5
Processes that generate FOG

• Food Preparation
• Cooking
• Baking
• Frying with Oil
• Cleaning Utensils, Dishes, Pots Pans
• Cleaning of Floors

6
Blockages

• Blockages Result in
• Sewer spills
• Manhole overflow
• Sewage back-ups in homes or businesses

7
Sewer Spills, Overflows and Back-Ups

• Sewage spills, overflows, and back ups occur when
  wastewater being transported through underground
  pipes overflows through a manhole, cleanout, or
  broken pipes. Sewage spills can potentially cause
  health hazards, cause damage to homes and
  businesses, and threaten the environment, local
  waterways, and beaches.

8
Beautiful Downtown Burbank
9
City Crew Report-Areas of Heavy Medium Grease
10
Inspection of Grease Trap
11
Inspection of Grease Interceptors
12
Grease Interceptor Overflow
13
Investigation Findings

• Improperly sized interceptors
• Nonfunctional Interceptors
• Poor Operation and Maintenance
• Lack of Service
• Adding Enzymes
• Lack of Interceptor
• Lack of Understanding

14
Enforcement Cite

• 40 CFR 403.5
• Solid or viscous pollutants in amounts which
  will cause obstruction to the flow in the POTW
  resulting in interference
  
• BMC 25-107
• clarifiers.shall be maintained in good
  operating condition and in conformity with
  applicable law by the owner of the property

15
Solutions

• Train Inspectors
• Implement Grease Interceptor Maintenance Plan
• Include Interceptor Maintenance in Control
  Mechanism
  
• Outreach
• BMPs

16
Solutions-Performance Standard

• Inspect Grease Interceptor

17
Interceptor Maintenance Plan

• Location of Interceptor
• Interceptor Maintenance
• Frequency
• Person Responsible
• Rendering Company
• Past History
• Compliance Criteria
• Problem Notification
• Log

18
Evaluation How do we know its working?
19
Questions?