Ecological Assessment of Storm Impacts

Data Collection

Co-Ral

Basic Information

Synonym(s): O,O-diethyl O-(3-chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl) phosphorothioate; O,O-diethyl O-(3-chloro-4-methyl-2-oxo-2H-benzopyran-7-yl)phosphorothioate; Resistox; Resitox; Umbelliferone, 3-chloro-4-methyl-, O,O-diethyl phosphorothioate; Umbethion; O,O-d
Formula: C₁₄H₁₆ClO₅PS
Molecular Weight: 362.77
Boiling Point (°C): 20 at 1x10e-7 mm Hg
Melting Point (°C): 91 - 92
Contaminant Type: Co-Ral is an insecticide.
Notes: Tan crystalline solid; used in controlling livestock insects.

Solubility (in water)

• Solubility: 1.5 mg/l ^ak
  Temperature (°C): 20
  

Toxicity Effects

• Organism Type: Crustaceans ^ak
  Common Name: Daphnia
  Scientific Name: Daphnia magna
  Toxicity: 1 µg/l
  Test: 48h LC50
  

• Organism Type: Crustaceans ^ak
  Scientific Name: Gammarus fasciatus
  Toxicity: 0.15 µg/l
  Test: 96h LC50
  

• Organism Type: Crustaceans ^ak
  Scientific Name: Gammarus lacustris
  Toxicity: 0.07 µg/l
  Test: 96h LC50
  

• Organism Type: Fish ^ak
  Common Name: Alaskan stickleback, three-spine stickleback
  Scientific Name: Gasterosteus aculeatus
  Toxicity: 1470 µg/l
  Test: 96h LC50
  

• Organism Type: Fish ^ak
  Common Name: Bluegill
  Scientific Name: Lepomis macrochirus
  Toxicity: 180 µg/l
  Test: 96h LC50
  

• Organism Type: Fish ^ak
  Common Name: Salmonids
  Scientific Name: Oncorhynchus sp.
  Toxicity: 15000 µg/l
  Test: 96h LC50
  

• Organism Type: Fish ^ak
  Common Name: Fathead minnow
  Scientific Name: Pimephales promelas
  Toxicity: 18000 µg/l
  Test: 96h LC50
  

• Organism Type: Fish ^ak
  Common Name: Columbia River redband trout
  Scientific Name: Salmo gairdneri
  Toxicity: 1500 µg/l
  Test: 96h LC50
  

• Organism Type: Mammals ^ak
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: 16-41 mg/kg bw
  Test: LD50
  

• Organism Type: Molluscs ^ak
  Common Name: Eastern oyster
  Scientific Name: Crassostrea virginica
  Life Stage: Larval
  Toxicity: >1000 µg/l
  Test: 14d LC50
  

• Organism Type: Molluscs ^ak
  Common Name: Eastern oyster
  Scientific Name: Crassostrea virginica
  Life Stage: Egg
  Toxicity: 110 µg/l
  Test: 48h LC50
  

• Organism Type: Molluscs ^ak
  Common Name: Northern quahog
  Scientific Name: Mercenaria mercenaria
  Life Stage: Larval
  Toxicity: 1470 µg/l
  Test: 12d LC50
  

• Organism Type: Molluscs ^ak
  Common Name: Northern quahog
  Scientific Name: Mercenaria mercenaria
  Life Stage: Egg
  Toxicity: 9120 µg/l
  Test: 48h LC50
  

Work Cited