Ecological Assessment of Storm Impacts

Data Collection

Temephos

Basic Information

Synonym(s): O,O,O',O'-tetramethyl O,O'-(thiodi-4,1-phenylene) phosphorothioate; O,O,O',O'-tetramethyl O,O'-thiodi-p-phenylene phosphorothioate; O,O'-(thiodi-4,1-phenylene)bis(O,O'-dimethylphosphorothioate)
Formula: C₁₆H₂₀O₆P₂S₃
Molecular Weight: 466.46
Melting Point (°C): 30 - 30.5
Contaminant Type: Temephos is an insecticide.
Notes: Solid

Solubility (in water)

• Solubility: 0.03 mg/l ^ak
  Temperature (°C): 25
  

• Solubility: 0.001 mg/l ^h
  

Half-Life (in soil unless otherwise noted)

• t1/2: ~30 days ^h
  

Toxicity Effects

• Organism Type: Birds ^h
  Common Name: Chukar partridge
  Scientific Name: Alectoris chukar
  Toxicity: 240 mg/kg
  Test: LD50
  

• Organism Type: Birds ^h
  Common Name: California quail
  Scientific Name: Callipepla californica
  Toxicity: 18.9 mg/kg
  Test: LD50
  

• Organism Type: Birds ^h
  Common Name: Rock dove
  Scientific Name: Columba livia
  Toxicity: 35-85 mg/kg
  Test: LD50
  

• Organism Type: Birds ^h
  Common Name: Japanese quail
  Scientific Name: Coturnix japonica
  Toxicity: 35-85 mg/kg
  Test: LD50
  

• Organism Type: Birds ^h
  Common Name: pheasant
  Scientific Name: Phasianidae (Family)
  Toxicity: 35-85 mg/kg
  Test: LD50
  

• Organism Type: Crustaceans ^ak
  Common Name: Daphnia
  Scientific Name: Daphnia magna
  Toxicity: 0.4 µg/l
  Test: 12h IC50
  

• Organism Type: Crustaceans ^h
  Scientific Name: Gammarus lacustris
  Toxicity: 0.08 mg/kg
  Test: 96h LC50
  

• Organism Type: Crustaceans ^ak
  Scientific Name: Gammarus lacustris
  Toxicity: 82 µg/l
  Test: 96h LC50
  

• Organism Type: Crustaceans ^ak
  Scientific Name: Gammarus pulex
  Toxicity: >>1.0 mg/l
  Test: 1h LC90-95
  

• Organism Type: Crustaceans ^ak
  Common Name: Ginger prawn, Speckled prawn, Speckled shrimp
  Scientific Name: Metapenaeus monoceros
  Toxicity: 45 µg/l
  Test: 72h LC50,S
  

• Organism Type: Crustaceans ^ak
  Common Name: Migrant prawn, oriental shrimp
  Scientific Name: Palaemon macrodactylus
  Toxicity: 249 (72.5-853) µg/l
  Test: 96h LC50,F
  

• Organism Type: Crustaceans ^ak
  Common Name: Migrant prawn, oriental shrimp
  Scientific Name: Palaemon macrodactylus
  Toxicity: 2550 (994-6540) µg/l
  Test: 96h LC50,S
  

• Organism Type: Crustaceans ^h
  Common Name: Pink shrimp
  Scientific Name: Panaeus duorarum
  Toxicity: .005 mg/l
  Test: 96h LC50
  Formulation: Abate 4E (46% emulsifiable concentrate)
  

• Organism Type: Crustaceans ^ak
  Common Name: Giant tiger prawn
  Scientific Name: Penaeus monodon
  Toxicity: 45 µg/l
  Test: 72h LC50,S
  

• Organism Type: Fish ^ak
  Common Name: Japanese eel
  Scientific Name: Anguilla japonica
  Toxicity: 7500 µg/l
  Test: 72h LC50,S
  

• Organism Type: Fish ^ak
  Common Name: Smooth-breasted snakefish
  Scientific Name: Channa gachua
  Toxicity: 217 mg/l
  Test: 96h LC50,S
  Formulation: 50% EC
  

• Organism Type: Fish ^h
  Common Name: Channel catfish
  Scientific Name: Ictalurus punctatus
  Toxicity: 3.23 mg/l
  Test: 96h LC50
  Formulation: emulsifiable concentrate
  

• Organism Type: Fish ^h
  Common Name: Channel catfish
  Scientific Name: Ictalurus punctatus
  Toxicity: >10 mg/l
  Test: 96h LC50
  Formulation: technical grade
  

• Organism Type: Fish ^h
  Common Name: Bluegill
  Scientific Name: Lepomis macrochirus
  Toxicity: 1.14 mg/l
  Test: 96h LC50
  Formulation: emulsifiable concentrate
  

• Organism Type: Fish ^h
  Common Name: Bluegill
  Scientific Name: Lepomis macrochirus
  Toxicity: 21.8 mg/l
  Test: 96h LC50
  Formulation: technical grade
  

• Organism Type: Fish ^h
  Common Name: Largemouth bass
  Scientific Name: Micropterus salmoides
  Toxicity: 1.44 mg/l
  Test: 96h LC50
  Formulation: emulsifiable concentrate
  

• Organism Type: Fish ^ak
  Scientific Name: Mugil carinatus
  Toxicity: 23 µg/l
  Test: 72h LC50,S
  

• Organism Type: Fish ^ak
  Common Name: Striped mullet
  Scientific Name: Mugil cephalus
  Toxicity: 600 µg/l
  Test: 72h LC50,S
  

• Organism Type: Fish ^h
  Common Name: Coho salmon or silver salmon
  Scientific Name: Oncorhynchus kisutch
  Toxicity: 0.35 mg/l
  Test: 96h LC50
  Formulation: emulsifiable concentrate
  

• Organism Type: Fish ^h
  Common Name: Rainbow trout
  Scientific Name: Oncorhynchus mykiss
  Toxicity: 0.16 mg/l
  Test: 96h LC50
  Formulation: emulsifiable concentrate
  

• Organism Type: Fish ^h
  Common Name: Rainbow trout
  Scientific Name: Oncorhynchus mykiss
  Toxicity: 3.49 mg/l
  Test: 96h LC50
  Formulation: technical grade
  

• Organism Type: Fish ^ak
  Common Name: Columbia River redband trout
  Scientific Name: Salmo gairdneri
  Toxicity: 158 µg/l
  Test: 96h LC50
  

• Organism Type: Fish ^h
  Common Name: Atlantic salmon
  Scientific Name: Salmo salar
  Toxicity: 21 mg/l
  Test: 96h LC50
  Formulation: technical grade
  

• Organism Type: Fish ^h
  Common Name: Atlantic salmon
  Scientific Name: Salmo salar
  Toxicity: 6.7 mg/l
  Test: 96h LC50
  Formulation: emulsifiable concentrate
  

• Organism Type: Mammals ^h
  Common Name: Dog
  Scientific Name: Canis (Genus)
  Toxicity: >5000 mg/kg
  Test: LD50
  Formulation: 2% powder formulation
  

• Organism Type: Mammals ^h
  Common Name: Cats
  Scientific Name: Felidae (Family)
  Toxicity: >5000 mg/kg
  Test: LD50
  Formulation: 2% powder formulation
  

• Organism Type: Mammals ^ak
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: "8600, 13000" mg/kg
  Test: LD50
  

• Organism Type: Mammals ^h
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: 1226-13000 mg/kg
  Test: LD50
  

• Organism Type: Mammals ^h
  Common Name: Mouse
  Scientific Name: Muridae (Family)
  Toxicity: 460-4700 mg/kg
  Test: LD50
  

• Organism Type: Molluscs ^h
  Common Name: Eastern oyster
  Scientific Name: Crassostrea virginica
  Toxicity: 0.019 mg/l
  Test: 96h LC50
  Formulation: Abate 4E (46% emulsifiable concentrate)
  

Octanol-Water Partition Coefficients

• Log Kow: 4.9 ^ak
  

• Log Kow: 4.9538 ^h
  Notes: Source did not specify type of partition coeffecient or if value was the log

Work Cited