Dd Form 2993 - Environmental Baseline Survey (Ebs) Checklist Page 11

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(6) WASTEWATER TREATMENT METHODS
(Is wastewater treated or untreated, on-site or off-site, upwind or downwind-of troop areas? Methods: burn-out latrines; septic systems such as solids settling
tank or drain field; package such as portable or modular; wastewater treatment facility; constructed wastewater treatment facility. If lagoon or pond, list the
number of ponds, number of cells per pond, surface area, depth, freeboard [above water level], aerated, discharge, provide sketch, inlet, and outlets. If a
package wastewater treatment facility, list the type such as activated sludge, or other and explain. If other constructed treatment plant, list the type such as
trickling filter, activated sludge, or other. If a constructed wastewater treatment facility describe the unit process, flow equalization [none, storage tank, pond],
preliminary treatment [none, screening, grit removal, other], tertiary [for example, after secondary] treatment [none, filtration, membrane, other], disinfection
[such as none, liquid chlorine, sodium hypochlorite – liquid bleach, calcium hypochlorite – dry or liquid, ultraviolet or other]. Describe the treatment design to
include gallons per day, obtain the designs, plans, and reports, and add a sketch. If more than one exists, use separate blocks to identify treatment methods.)
General Notes
(Gather available wastewater treatment monitoring data, such as flow and physical or chemical data. Include contractor or subcontractor, point of contact,
telephone number, and method of collection. Is it dumped on-site or removed from the property? Include the location of the dump site. Is it characterized as grey
water and removed by sanitation personnel in honey buckets or grey water pumpers? Is it taken out the gate, dumped, and found running back on the property?
If collecting on-site, is it treated and used as a dust abatement source or other? Military operation or contractor? List influent and effluent data - biochemical
oxygen demand, chemical oxygen demand, total suspended solids, fecal coliform, total residual chlorine, pH, or other. Include the unit of measure; for example,
milligrams per liter and obtain data and monitoring frequency, if available. Also note if data is not being collected or not available.)
(7) HOW IS STORM WATER MANAGED?
(Is the site grading adequate or inadequate? Describe any open ditches, storm ditches and underground piping, storm water collection in detention or retention
ponds or tanks. Is the storm water collection system collocated with sanitary water and/or the main water lines? Obtain storm water system designs if available,
Is it treated or untreated? If untreated, is it characterized as black or grey water? Is it reused? If it is reused, describe how and for what purpose such as dust
control, vehicle washing, crop irrigation, construction, toilet flushing, laundry, showers, or other.)
Managed
Not managed
(8) IS WASTEWATER OR STORM WATER REUSED FOR BENEFICIAL PURPOSES? (If Yes, explain.)
DD FORM 2993, AUG 2015
Page 11 of 20 Pages
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Parent category: Business