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Department of
Bioresources Engineering
Townsend Hall RM 264
531 South College Avenue
Newark, DE 19716-2140

302-831-2468

       
  Bioresources Engineering Water Quality Laboratory
Current Analytical Services

Parameter Unit Cost Method Comments
Acidity $12.50 SMWW 2310B Colorimeteric method
Alkalinity $12.50 SMWW 2320B Colorimetric method
BOD/DO $17.00 SMWW 5210B Winkler titration 5 day BOD
Chloride $15.00 SMWW4500C titrametric, mercury nitrate
Chlorophyll a/ Pheophytin a $17.00 SMWW 10200H  
COD $19.00 SMWW 5220D Colorimetric
Coliform bacteria, total, fecal, Enterococcus $20.00 SMWW 9222D, 9230C Membrane filtration
Conductivity / Dissolved Oxygen / Salinity / pH $7.00 SMWW 2510A, 2520A ISE / ph meter or YSI Field Probe
Hardness $11.50 SMWW 2340C EDTA Colorimetric
NH4-N, NO3-NO2-N $20.00 SMWW 4500 NH4, BC Nitrate method
Phosphorous
Ortho and Total
$12.00
$20.00
SMWW 4500E Colorimetric-ascorbic acid; Acid digestion-TP
Dissolved Total Phosphorous $20.00 SMWW 4500E Filtration; Colorimetric-ascorbic acid; Acid digestion-TP
TDS/TSS
VDS/VSS
$18.00 SMWW 2540 B,C,D,E Membrane filtration
TKN $14.00 SMWW 4500C Acid digestion
Turbidity $7.00 SMWW 2130A Spectrophotometric
Oil and Grease   SMWW 5520  

Clesceri, L. S., Greenberg, A. E., Trussell, R. R. (Eds), 1989. Standard Methods for the Examination of Water and Wastewater. 17th ed., American Public Health Association, American Water Works Association and Water Pollution Control Federation, Washington, D.C., pp.4-75-4-81.

Updated: 2009