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Whole Effluent Toxicity (WET) Testing 

Taking the Stress out of Compliance 

  • Available 6 days a week for Sampling Drop off or Delivery

  • Cultured In-House test organisms 

  • Providing Free Sampling Kits 

  • Free preliminary permit review and test quotes

  • DMRQA Assistance 

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Acute and Chronic WET Testing 

Our commitment to excellence is evident in our adherence to the highest standards for routine effluent biomonitoring compliance and screening, as mandated by the National Pollution Discharge Elimination System (NPDES) and the Clean Water Act, we have consistently demonstrated our ability to generate results that are accurate and reliable.


Biomonitoring provides an effective means by which the toxicity of discharges from municipal, industrial, and mining operations can be tested. Among the advantages of biomonitoring is the ability to test complex effluents containing a broad range of contaminants.


Biomonitoring, when used in conjunction with chemical analyses, can generate data capable of identifying a much wider range of contaminants


The chronic test measures significant differences in lethality and in reproduction (Ceriodaphnia dubia) or growth (fathead minnow – Pimephales promelas) between control and effluent-exposed organisms.

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