Connecticut Administrative Code › Title 22a - Environmental Protection › 416 - Wastewater Treatment Facility Operator Certification › Appendix A - Advisory committee

Current through July 10, 2024
Size of facility
(2-20 points)
Points
Maximum population equivalent 1 (P.E.) served on peak
						  day
1 point per 10,000 P.E. part thereof, for a maximum of
						  10 points
_________
Design flow
1 point per MGD or part thereof, for a maximum 10
						  points
_________
Land disposal
(evaporation)
2
_________
Subsurface disposal
4
_________
Variation in strength and/or flow of raw
						  wastewater
(slight to extreme) (0-6 points)
Variations do not exceed those normally
						  present
0
_________
Recurring variations of 100% to 200% from
						  norm
2
_________
Recurring variations of more than 200% from
						  norm
4
_________
Raw wastes that impair biological treatment
						  processes
6
_________
Pretreatment plant processes
						  utilized
Pumping of main flow other than recycle flows at any
						  point within the facility
3
_________
Screening or comminution
1
_________
Grit removal
3
_________
Equalization
1
_________
Effluent pumping when receiving infiltration (e.g.
						  stream flooding)
3
_________
Combined Sewer
						  Overflow
Storage
1
_________
Treatment
3
_________
Primary treatment
						  utilized
Primary clarifiers
5
_________
Combined sedimentation/digestion (Imhoff
						  tanks)
5
_________
Micro screening or other physical
						  treatment
3
_________
Trickling filters used as roughing filters with recycle
						  and intermediate clarifiers
5
_________
Trickling filters used as roughing filters with recycle
						  or intermediate clarifiers
3
_________
SCADA
Operational
6
_________
Monitoring
2
_________
Secondary treatment
						  utilized
Trickling filter or rotating biological contractor with
						  secondary clarifiers
10
_________
Activated sludge with secondary
						  clarifiers
15
_________
Activated sludge without primary clarifiers including
						  extended aeration, sequential batch
including extended aeration, sequential batch reactors
						  and oxidation ditches
18
_________
Stabilization ponds without aeration
5
_________
Aerated lagoon
8
_________
Advanced treatment
						  utilized
Post aeration (mechanical)
2
_________
Direct recycle and reuse
6
_________
Polishing pond
2
_________
Chemical phosphorus removal
4
_________
Biological phosphorus removal
6
_________
Nitrification processes
6
_________
Nitrification and denitrification
						  processes
9
_________
Denitrification filter
6
_________
Ion exchange
10
_________
Reverse osmosis or electrodialysis
15
_________
Chemical recovery or carbon
						  regeneration
4
_________
Mechanical filtration
10
_________
Intermittent sand filters with gravity under
drains
5
_________
Solids Handling
Solids conditioning with polymers, ferricchloride or
						  alum
2
_________
Thickening by means of: Gravity
2
_________
Mechanical (dissolved air flotation, gravity belt or
						  centrifuge)
5
_________
Anaerobic digestion
10
_________
Aerobic digestion
6
_________
Evaporative sludge drying
2
_________
Mechanical dewatering
5
_________
Incineration, wet oxidation, or other solids
						  reduction
12
_________
On-site disposal
2
_________
Composting (In vessel)
10
_________
Composting (static pile)
5
_________
Sludge storage
1
_________
Sludge pumping offsite
2
_________
Disinfection
Chlorination or comparable disinfection
5
_________
Chlorination/Dechlorination
8
_________
On-site generation and application of
						  disinfectant
5
_________
Ultraviolet light
5
_________
Odor control
Biofilter
3
_________
Adsorption with activated carbon or
						  equal
3
_________
Wet scrubber
6
_________
Thermal destruction with catalytic
						  process
6
_________
Odor reducing sprays
2
_________
Chemical Additives
Septage treatment system
3
_________
Sedimentation additives
2
_________
Nutrient removal
2
_________
Biological laboratory
						  analysis
Laboratory analysis performed outside the
						  facility
0
_________
Laboratory analysis performed at the
						  facility:
Membrane filter
2
_________
Use of fermentation tubes or any dilution method using
						  a fecal coliform bacteria determination
3
_________
Identification and counts of biota by percent relative
						  abundance
3
_________
Chemical and/or Physical laboratory
						  analysis
Laboratory analysis performed outside the
						  facility
0
_________
Laboratory analysis performed at the
						  facility:
_________
Push-button or visual methods for simple analysis (e.g.
						  settleable solids)
2
_________
Additional analysis including dissolved oxygen,
						  biological oxygen demand, chemical oxygen demand, gas analysis, titration,
						  solids, and volatile content
3
_________
More advanced analyses including specific constituents,
						  nutrients, total oils, phenols, or use of highly sophisticated instrumentation
						  including atomic absorption, gas chromatography
3
_________
Total points:
_________