Discharge Water
City of Houston

Test Description

Method

Recommended Tests:

pH of Water, Electrometric Measurement

EPA 150.1

Oil and Grease Content, Gravimetric

EPA 413.1

Residue, Non-Filterable, TSS

EPA 160.2

Metals by Inductively Coupled Plasma, ICP LOD = 0.1 mg/L on Wastewater Barium, Copper, Manganese, Chromium, Boron, Lead, Nickel, Zinc

EPA 6010B

Metals by Graphite Furnace AA, Limit of Detection, LOD = 0.01 mg/L Arsenic, Selenium ,Cadmium, Silver

EPA 7000A

Mercury by Cold Vapor Atomic Absorption, Limit of Detection, LOD = 0.05 ppm

EPA 7040A

 

 

Additional Optional Tests:

Biochemical Oxygen Demand, BOD, 5 Day

EPA 405.1

Chemical Oxygen Demand, COD (High Level, Saline)

EPA 410.1

Cyanide in Water

EPA 335.1

Phenols by Spectrophotometry

EPA 420.2

Cyanide, Total, Solid Waste

EPA 9012A

Nitrogen, Total Kjeldahl, Ion Selective Electrode

EPA 351.4

Nitrite - Nitrite, Colorimetric

EPA 354.3