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APES Lab #5: Bioassays, LC50, and Monitoring Environmental Toxins

Students investigate toxins and contaminates from man-made and natural sources.

  • Students Perform Toxicity Tests
  • Activities Can Be Performed in Groups or Independently
  • Kit Includes Challenging and Practical Studies
  • Tests Feature Innovative UV Techniques
  • Resource CD Included
Toxic spills and contaminants are constantly entering our environment from industrial, agricultural, and even natural sources. Students learn key methods for performing toxicity tests by conducting a series of challenging and practical studies. They test the toxicity of salt on the growth of plants and examine the impacts of winter road salt runoff.

They also play the role of environmental consultant, using innovative UV techniques to test the impact of pesticide runoff on Daphnia found in a local farm pond. Finally, students apply their skills and knowledge to building and testing a hypothesis using Duckweed (Lemna) found in local ponds to conduct further toxicity tests. These activities can be performed collectively or independently.

Ordering information: This lab includes a teacher's manual, student copymasters, sampling and testing materials, and a resource CD.



Item # Description Activity Unit Availability Price Quantity
470189-732 APES Lab #5: Bioassays, LC50, and Monitoring Environmental Toxins
1 Each Retrieving Restricted
470164-234 APES Lab #5: Bioassays, LC50, and Monitoring Environmental Toxins, Classroom Set 
8 Kit of 1 Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-962-2660 or email


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