§158.440 Spray drift data requirements.

(a) Table. Sections 158.50 and 158.100 through 158.102 describe how to use this table to determine the aerial spray drift data requirements and the substance to be tested.

 
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                                                                                    General use patterns                                                    Test substance
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     Kind of data required      (b) Notes        Terrestrial               Aquatic              Greenhouse                                                                             reference
                                          ----------------------------------------------------------------------  Forestry   Domestic    Indoor    Data to support   Data to support      No.
                                            Food crop    Nonfood    Food crop    Nonfood   Food crop   Nonfood               outdoor                     MP                EP
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Droplet size spectrum.........        (1)  CR          CR          CR          CR          .........  .........  CR         .........  .........  TEP.............  TEP.............       201-1
Drift field evaluation........        (1)  CR          CR          CR          CR          .........  .........  CR         .........  .........  TEP.............  TEP.............       202-1
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Key: CR=Conditionally required; TEP=Typical end use product.
(b) Notes. The following are referenced in column two of the table contained in paragraph (a) of this section.
(1) This study is required when aerial applications (rotary and fixed winged) and mist blower or other methods of ground application are proposed and it is estimated that the detrimental
  effect level of those nontarget organisms expected to be present would be exceeded. The nontarget organisms include humans, domestic animals, fish and wildlife, and nontarget plants. This
  requirement may be satisfied by submittal of published or unpublished information regarding spray drift patterns that would be expected to be similar to the proposed product.
(2) [Reserved]

[49 FR 42881, Oct. 24, 1984. Redesignated at 53 FR 15993, May 4, 1988, and amended at 58 FR 34203, June 23, 1993]