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Pesticide Use Information

With the exception of pesticides used by homeowners, most pesticides are required to be reported to the Department of Agriculture/Weights and Measures.

This information is stored in a database encompassing the years of 1996 to 2005 and is available on request for a fee. Summarized below is the pesticide usage reported in pounds of active ingredient for the five top sites and pesticides in a recent year.


Site Pesticide Pounds Agricultural Applications Acres

Structural Pest Control      
  Sulfuryl Fluoride 65,623 - -
  Diazinon 28,359 - -
  Permethrin 15,738 - -
  Chlorpyrifos 15,527 - -
  Disodium octaborate tetrahydrate 8,971 - -
  All other pesticides 33,728 - -

Orange      
  Mineral Oil 49,088 268 5,248
  Petroleum Oil 33,158 37 521
  Copper hydroxide 5,604 126 1,974
  Copper oxide 5,268 94 1,235
  Glyphosate 4,474 1,060 11,306
  All other pesticides 15,786 2,801 49,331

Grapes      
  Sulfur 88,875 93 10,723
  Endosulfan 17,253 2 767
  Potash Soap 1,048 1 120
  Copper hydroxide 667 5 863
  Modified Phthalic Glycerol 237 11 1,367
  All other pesticides 149 32 2,744

Rights of Way      
  Glyphosate 41,096 - -
  Diuron 37,085 - -
  Mineral Oil 1,793 - -
  Alkyl Polyoxy Alkylene Ether 1,278 - -
  Oryzalin 1,148 - -
  All other pesticides 6,812 - -

Landscape Maintenance      
  Gylphosate 14,278 - -
  Copper Sulphate 7,699 - -
  Pendimethalin 5,422 - -
  Naled 4,393 - -
  Oryzalin 2,253 - -
  All other pesticides 25,418 - -

All other sites 146,067 4,651 73,705

Total for 1999 684,295 9,181 159,904




Information on each pesticide is listed alphabetically with a common trade name, chemical class, type of use and toxicity classification, with I is most toxic and IV is the least toxic.

Alkyl Polyoxy Alkylene Ether - ACTIVATOR 90 Non-ionic surfactant SPRAY ADDITIVE Toxicity Category IV Environmental Hazards: biodegradable

Chlorpyrifos - DURSBAN®, LORSBAN® Organophosphate INSECTICIDE Toxicity Category II Environmental hazards: Fish, birds, bees.

Copper hydroxide - KOCIDE® Inorganic FUNGICIDE and BACTERICIDE Toxicity Category I Environmental hazards: low

Copper oxide - AGCOPP®, COPPER SANDOZ® Inorganic FUNGICIDE Toxicity Category III Environmental hazards: Fish

Copper sulfate - BASICOP®, KOP 300® Inorganic FUNGICIDE Toxicity Category II Environmental hazards: low, insoluble in water

Diazinon - DIAZINON®, SPECTRACIDE® Organophosphate INSECTICIDE and NEMATICIDE Toxicity Category II or III depending on formulation Environmental hazards: Toxic to fish and birds, low-moderate toxicity to mammals.

Disodium octaborate tetrahydrate - UREABOR®, DEFOL® Inorganic HERBICIDE, desiccant Toxicity Category I and II Environmental hazards:Persistant, may damage desirable vegetation.

Diuron - DIREX®, KARMEX® Dimthylurea HERBICIDE Toxicity Category III
Environmental hazards: Fish; low toxicity to birds, bees. Can contaminate groundwater.

Endosulfan - THIODAN® Chlorinated hydrocarbon INSECTICIDE Toxicity Category I Environmental hazards:Toxic to fish and birds; moderately toxic to bees; relatively low toxicity to beneficial insects.

Glyphosate - ROUNDUP®, KLEENUP® Isopropylamine salt of N-glycine HERBICIDE Toxicity Category II Environmental hazards: low toxicity, eye irritant

Mineral Oil - See Petroleum Oil

Modified Phthalic Gylcerol - Naphthalene alcohol INSECTICIDE, ACARACIDE

Naled - DIBROM® Organophosphate INSECTICIDE Toxicity Category I Environmental hazards: Toxic to birds, bees. Dissipates quickly.

Oryzalin - SURFLAN® Dinitroaniline HERBICIDE Toxicity Category IV Environmental hazards: Low toxicity.

Pendimethalin - PROWL®, SCOTTS ORNAMENTAL WEEDGRASS CONTROL® Dinitroaniline HERBICIDE Toxicity Class III Environmental hazards: Toxic to fish, very low toxicity otherwise. Mild eye and skin irritant

Permethrin - POUNCE® AMBUSH® DRAGNET® Synthetic pyrethroid INSECTICIDE Toxicity Category II or III Environmental hazards: low toxicity in field tests for birds, bees and fish.

Petroleum Oil - Hydrocarbon INSECTICIDE, HERBICIDE Toxicity Category I to IV depending on refined product Environmental hazards:

Potash Soap - SAFER SOAP® Potassium salt of fatty acids INSECTICIDE Toxicity Category II to III Environmental hazards: May damage some vegetation, keep out of lakes, streams, ponds

Sulfur - THIOLUX® Inorganic FUNGICIDE, ACARICIDE Toxicity Category IV Environmental hazards: relatively non-toxic. Can irritate skin slightly

Sulfuryl Fluoride - VIKANE® Inorganic STRUCTURAL FUMIGANT Toxicity Category I Environmental hazards: Very toxic if inhaled.