TABLE I11
Characteristics of Some Pesticides of Probable Ecological Importance in Great Britain 1966* (see p . 89)
Estimated agricultural
Toxicity
Residues ApproxiGroup and
use in England and
Soluble
Persistent
of pestimate
water
(Acute form (TL,- (Acute to have toxic meta- introChemical
Wales
in
in
Rat
e a ~ i - Fish
B~~ &own
cjde Or
date Of
Notes
function
Acreage Tonnage
Oral
Bird 24 hrs) Oral effectson bolite in duction
treated
LD50) (Acute
LD50) repropredators
Oral
duction or seconLDBO)
atsubdarJ'
lethal
poisoning
doses
recorded
Aldrin
Organochlorine
225000 137
AS
10-67 4-4.5 0.022.5
+
As
1949
I n animals
insecticide
Dieldrin
0.1
dieldrin
epoxidized to
dieldrin
Azinphos
Organophosphorus
57 200
10.1
(+)
16.4
0.13
1953
BHC (including Organochlorine
2 539 000 117.0
( + )
+
600.09
1.5
+
1942
Captan
Organic fungicide
424 000 332.6
9 0001949
Copper salts
Inorganic
170000 468.4
+
+ C. 140- 900
1885
Methyl
insecticide
Lindane)
insecticide
200 200
15 000
fungicides
Elemental
300
c u
Dalapon
Trichloroacetic
+
6 590
255
1953
Used against
DemetonOrganophosphorus
375 900
97.5
+
409.6
6.4
( + I
1951
Systemic
DDT
Organochlorine
262 000 262.0
+
113- 300
0.014.6
f
+
1944
2,4-D
Phenoxyacetic
(100 OOO+)
+
400125
1942
Dieldrin
Organochlorine
490000
50.0
+
347
0.132.5
+
+
1949
DNOC
Organic herbicide
12 OOO+
8-O+
(+)
7 4 0
251892
acid herbicide
-9 330
aquatic plants
methyl
insecticide
180
insecticide
800
0.4
acid herbicide
666
insecticide
100
43
0.24
and insecticide
80
23