Further review of certain persistent organochlorine pesticides used in Great Britain.
- Great Britain. Advisory Committee on Pesticides and Other Toxic Chemicals
- Date:
- 1969
Licence: Public Domain Mark
Credit: Further review of certain persistent organochlorine pesticides used in Great Britain. Source: Wellcome Collection.
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![(iv) Average residues (p.p.m.) (arithmetic means) of organochlorine pesticides in the livers of avian predators Hepta- Year No. | Alpha | Beta |Gammaj chlor | Diel- | pp’— | pp’— | pp- | pp- spec. | BHC | BHC | BHC |epoxide| drin | DDE | TDE | DME*| DDT ee | | | | | | | | | | SSS Sparrowhawk 1963 11 — 0-3 0:01 ; 0-7 oer ih. 2°71 20:27 — 0:46 1964 8 — 0:23 — O28 1 15 4 10-1S| 1°22) 6:25: | ees 1965 9 — 0:25 — 0:64 | 4-13 | 20-3 0:7 0:1 0:07 1966 8 — — — 2°12 | 1°46 | 11-17 | 0-28 —_ 0:1 Kestrel 1963 | 20 — — 0:04 2:58 | 5-2 7:3 0:8 0:05 | 0-13 1964 | 28 — 0-1 0-1 1:4 3:07 | 4:3 0-3 0-09 | 0-08 1965 | 60 — 0:01 | 0:03 | 0-4 2°44 | 3-9 0:27 — — 1966 9 — — — 2°3 5:8 5°51 | ° 0°32 — — Tawny Owl 1963 | 12 — 0-02 — 0:20; 0:5 4:3 0:01 — 0:01 1964 | 14 — — 0-01 | 0:25 | 0-19 | 3:43 — — 0-11 1965 | 29 — 0:01 — 0:21 1:55 | 20-63t| 0°26} 0-01 | 0:06 Barn Owl 1963 | — — — 1:30; 1-32] 8-1 0:52 — 0:11 1964 | 23 — 0:07 — 0:90 | 2-36 | 4:33} 0:45 | 0-05 | 0-05 1965 | 30 — — — 0:57 | 3:56 | 3-58} 0:22 — 0:01 1966 7 — — — 0:02 | 1:18 | 2:04} 0-08 — 0:01 Heron (Adults) 1963 6 — — — 0-1 1:05 | 46°85 | 4°30; 0:66! 0-03 1964 | 17 0:05 | 0-1 | 0-005 | 0:24 | 2:17 | 21-02 | 0-36 — | 0-08 1965 4 — — — — 4-82 | 10°12 | 0-37 — 0:15 Heron (Nestlings) 1964 3 — — — 0:06 ; 0:40 | 0-79 — — — 1965 | 20 — 0:005 — 0-07 | 5:57 | 23-24] 1:11 | 0-07 | 2-24 1966 | 39 — — — — 4:94 | 5-47 — — — Great Crested Grebe 1963-6 | 15 — 0-1 | 0-03 0:89 | 12°17 | 0-97 | 0-08} 0-27 * 1-chloro-2, 2—di-(4-chloropheny]) ethylene. ft Includes one very exceptional specimen with 200 p.p.m. Source: Nature Conservancy.](https://iiif.wellcomecollection.org/image/b32173076_0090.jp2/full/800%2C/0/default.jpg)


