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Laboratory Certification

Inorganic Chemistry | Trace Metals | Conventional Chemistry | Certification

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Part of the Wisconsin State Laboratory of Hygiene Inorganic Chemistry Unit

The Wisconsin State Laboratory of Hygiene is certified by the Wisconsin Department of Natural Resources (WDNR) and the Environmental Protection Agency on an annual basis. The EPA certifies the laboratory for the Safe Drinking Water Act including EPA methods 507, and 524.2.

The (WDNR) certifies the WSLH under the provisions of the Wisconsin Administrative Code, ch. NR 149 for a number of environmental parameters. The Inorganic Chemistry Unit performs testing on the following certified parameters:

Test Category
Parameters
Oxygen Utilization
  • Biochemical Oxygen Demand
  • Carbonaceous BOD
    • Nitrogen
  • Ammonia as N
  • Nitrite as N
  • Nitrate as N
  • Total Kjeldahl Nitrogen
    • Phosphorus
  • Orthophosphate
  • Total Phosphorus
    • Physical
  • Oil and Grease (HEM)
  • Oil and Grease (Freon)
  • Total Dissolved Solids
  • Total Solids
  • Total Suspended Solids
  • Total Volatile Suspended Solids
  • Total Volatile Solids
    • General I
  • Alkalinity/Acidity
  • Bromide
  • Chlorophyll a
  • Color
  • Hardness
  • Silica
  • Silicate
  • Sulfite
  • Surfactants
    • General II
  • Chloride
  • Cyanide
  • Chemical Oxygen Demand
  • Fluoride
  • Sulfide
  • Sulfate
    • General III
  • Corrosivity
  • EP Toxicity
  • Waste Fingerprinting
  • Ignitability
  • Total Releasable Cyanide
  • Reactivity
  • Total Releasable Sulfide
  • TCLP
  • Total Organic Carbon
    • Metals I
  • Silver
  • Aluminum
  • Arsenic
  • Boron
  • Barium
  • Beryllium
  • Calcium
  • Cadmium
  • Cobalt
  • Chromium (Total)
  • Copper
  • Iron
  • Chromium (Hexavalent)
  • Mercury
  • Potassium
  • Magnesium
  • Manganese
  • Molybdenum
  • Sodium
  • Nickel
  • Lead
  • Antimony
  • Selenium
  • Thallium
  • Vanadium
  • Zinc
    • Safe Drinking Water Act
  • Arsenic
  • Asbestos
  • Barium
  • Beryllium
  • Cadmium
  • Cyanide
  • Chromium
  • Copper
  • Fluoride
  • Mercury
  • N/P Pesticides by GC
  • Sodium
  • Nickel
  • Nitrite
  • Nitrate
  • Lead
  • Antimony
  • Selenium
  • Thallium
  • Total Trihalomethanes
  • Volatile Organics

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    Wisconsin State Laboratory of Hygiene
     
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