User:Yilloslime/Sandbox

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Contents

[edit] subpages/things slowly working on

[edit] UBX

Yilloslime (t___) 00:18, 16 February 2008 (UTC)



[edit] General

  • create List fo pesticides by WHO catagory or Category:WHO Class 1a pesticides etc.
  • clean up Phthalates
  • incorporate info from Doubt is their product into relevant page
  • create page with reference breathing rates and body weights and other such data (2.0L/per, etc.)

[edit] DDT

To Do

[edit] Geisz 2008

  • Current use: ~1,000 tonnes/year.
  • Historic use: >40,000 tonnes/year from 1950-1980. cited in

Ref:[1], which cites [2]

[edit] ATSDR 2002

US Production:

  • 1971: 2,000 tonnes ("2 million kg", "2,000 tons")
  • 1962: 82,000 tonnes ("82 million kg", "85,000 tons")
  • 1960: 56,000 tonnes ("56 million kg")

US Import/Export:

  • 1972: 180 tonnes imported ("200 tons")
  • 1985: 303 tonnes exported ("303,000 kg")

US use

  • 1966: 12,200 tonnes (ag only) ("27 million pounds")
  • 1971: 6,300 tonnes (ag only) ("14 million pounds")

World Production:

  • Cumulative world production ≈ 1.8 million tonnes ("2 million tons")

ref:[3]

[edit] U.S. EPA

  • From DDT Regulatory History: A Brief Survey (to 1975)[4]

US DDT use:

  • Cumulative use, 1942 to 1972: 612,000 tonnes ("1.35 billion lbs").
  • 1959 (peak usage): 36,300 tonnes/yr ("80 millions lbs")
  • "early 70s": 5,400 tonne/yrs ("12 million lbs")

US Exports:

  • 1950: 12% of production
  • 1969: 67% of production
  • 1970: 31,700 tonnes/yr ("70 million lbs")
  • 1972: 15,900 tonnes/yr ("35 million lbs")

"purchased by the Agency for International Development and the United Nations and exported for malaria control"

[edit] WHO EHC

Table 2. Metric tonnes of DDT produced and used in the USAa


   Year         Production       Use
                                                         
   1944           4 366
   1945          15 079
   1946          20 220
   1947          21 534
   1948           9 181
   1949          19 822
   1950          35 448
   1951          48 144
   1952          45 327
   1953          38 268          28 349
   1954          44 088          20 465
   1955          56 760          28 032
   1956          62 441          34 194
   1957          56 136          32 205
   1958          65 920          30 255
   1959          71 097          35 771
   1960          74 471          31 818
   1961          77 763          29 061
   1962          75 764          30 502
   1963          81 154          27 744
   1964          56 113          22 925
   1965          63 859          24 034
   1966          64 115          20 685
   1967          46 906          18 260
   1968          63 231          14 848
   1969          55 839          13 724
   1970          26 860          11 316
                                                         
   a  Based on data from US Tariff Commission (Hayes, 1975).

[5]

  • world production/use:
    • cumulative world productioin = 2 million tons[3]
    • In the early 1960s, about 400,000 tons of DDT were used annually worldwide (70–80% of which was used for agriculture)

[6]

  • Need to incorporate history from [4] into DDT.
  1. ^ Geisz HN, Dickhut RM, Cochran MA, Fraser WR, Ducklow HW (2005). "Melting Glaciers: A Probable Source of DDT to the Antarctic Marine Ecosystem". Environ. Sci. Technol. ASAP. doi:10.1021/es702919n. 
  2. ^ Li YF, Macdonald RW (April 2005). "Sources and pathways of selected organochlorine pesticides to the Arctic and the effect of pathway divergence on HCH trends in biota: a review". Sci. Total Environ. 342 (1-3): 87–106. doi:10.1016/j.scitotenv.2004.12.027. PMID 15866269. 
  3. ^ a b http://www.atsdr.cdc.gov/toxprofiles/tp35.html#bookmark09
  4. ^ a b http://www.epa.gov/history/topics/ddt/02.htm
  5. ^ http://www.atsdr.cdc.gov/toxprofiles/tp35.html#bookmark09
  6. ^ 2002 EHP review