AppendixA.

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:				_________

(Effective June 25, 1984; Amended June 5, 2000)