PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Malathion on Annelida

Use(s): Insecticide    Chem Class: Organophosphorus    U.S. EPA PC Code:057701, 857701    CAS Number: 121-75-5
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 5 of 5
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Common Name Scientific Name Avg Species LC50 (ug/L) LC50 Std Dev Number of Studies Avg Species Rating Outlier Result for Organism Group?

Annelida

Oligochaete Branchiura sowerbyi 4,570 - 1 Moderately Toxic  
Leech Erpobdella octoculata 41,500 14,500 2 Slightly Toxic  
Oligochaete, worm Lumbriculus variegatus 25,700 5,200 2 Slightly Toxic  
Tubificid worm Tubifex sp. 45,620 1,979 5 Slightly Toxic  
Oligochaete family Tubificidae 39,024 29,219 5 Slightly Toxic  
Records 1 to 5 of 5
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