With over 30 years of experience, Smithers tests the toxicity of sediment through sediment matrix and spiked bioassays. We routinely perform whole sediment acute and chronic studies with invertebrates in both fresh and salt water. Smithers is a leading provider of sediment water chironomid studies using spiked sediment or spiked water. We customize studies to meet specific objectives: bioaccumulation exposures with oligochaetes, polychaetes and clams, Sediment Toxicity Identification Evaluations (TIE), and outdoor sediment exposures / microcosms.

  • Chironomid Toxicity Using Spiked Sediment - OECD 218
  • Chironomid Toxicity Using Spiked Water - OECD 219
  • Lumbriculus Toxicity Test Using Spiked Sediment - OECD 225
  • Chironomid Life-Cycle Toxicity Test Using Spiked Water or Spiked Sediment - OECD 233
  • Bioaccumulation in Sediment-dwelling Benthic Oligochaetes - OECD 315
  • Whole Sediment Acute Toxicity Invertebrates - OCSPP 850.1735, OCSPP 850.1740
  • Hyalella azteca 42-day (chronic) Test - EPA 600/R-99/064. March 2000. Test Method 100.4
  • Life-cycle Test for Measuring the Effects of Sediment associated Contaminants on Chironomus dilutus - EPA 600/R-99/064. March 2000. Test Method 100.5
  • Method for assessing the chronic toxicity of marine and estuarine sediment associated contaminants with the amphipod Leptocheirus plumulosus - U.S. EPA Test Method 600/R-01/020

Staff Poster Publications:

Establishing the Functional Equivalency of the Negative and Solvent Control for EPA 10-day Spiked Sediment Testing in Support of FIFRA Registration
Defining Equilibration Time of Spiked Sediments for Use in Whole Sediment Toxicity Testing: A Post Hoc Assessment
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