Pesticides

Uses

LD₅₀ (mg/kg)

Acute toxicologic category

Effects on the environment

Ground water (µg/L)

Surface waters (µg/L)

Marine sediments (ng/g)

Soils (ng/g)

Fresh

Marine

Acute

Chronic

Acute

Chronic

Chlorpyrifos

(ethyl and methyl)

Agricultural, domestic, cattle-ranching, urban, industrial

96 (Rats/oral)

>2000 (rats/

dermal)

3

Very toxic to fish, birds and bees

30.0

0.083^a

0.041^a

0.011^a

0.0056^a

NR

NR

Diazinon

Agricultural, domestic, cattle-ranching, urban, industrial, gardening

1250 (Rats/oral)

> 2020 (rabbit/ dermal)

4

Highly toxic to birds, fish and bees

20.0

0.17

0.17

0.82

0.82

1.9

NR

Dimethoate

Agricultural, gardening, industrial

235 (Rats/oral)

>400 (rats/

dermal)

3

Moderate to high Toxicity to aquatic organisms and birds. Extremely toxic to bees

6.0

NR

6.2CA

0.15NZ

NR

NR

NR

218.0M

Dioxathion

Agricultural, cattle-ranching, domestic, gardening, urban, industrial

23 - 64 (Rats/oral)

2

Very toxic to aquatic organisms

NR

NR

NR

NR

NR

NR

NR

EPN

Agricultural, cattle-ranching, domestic, gardening, urban, industrial

17.8 (Rats/oral) 30 (rabbit/

dermal)

2

Very toxic to aquatic organisms

NR

NR

NR

NR

NR

NR

NR

Ethion

Agricultural, cattle-ranching

21 (Rats/oral)

838 (rabbit/

dermal)

2

Highly toxic to fish and birds. Not toxic to bees

NR

NR

NR

NR

NR

NR

NR

Fenchlorphos

Agricultural, gardening

1250 (Rats/oral) 1000 - 2000 (rabbits/

dermal)

4

Very toxic to aquatic organisms

NR

NR

NR

NR

NR

NR

NR

Malathion

Agricultural, cattle-ranching, gardening, urban, industrial

5500 (Rats/oral) > 2000 (rabbits/

dermal)

4 - 5

Slightly to extremely toxic to fish. Moderately toxic to birds, highly toxic to bees

190.0

NR

0.1

NR

0.1

0.67

NR

Parathion (parathion methyl)

Agricultural, industrial

6 (Rats/oral) 66 (rat/dermal)

2

Toxic to aquatic and terrestrial organisms

50.0^b

NR

0.065^b

0.013^b

NR

NR

0.34V

Terbufos

Agricultural

1.3 (Rats/oral) 0.87 (rabbits/ dermal)

1

Extremely toxic to birds, mammals, reptiles, fish and other aquatic organisms

NR

NR

NR

NR

NR

NR

NR