StacksVerified U.S. regulatory reference

40 CFR §158.310

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)General. Sections 158.100 through 158.130 describe how to use this table to determine the product chemistry data requirements for a particular pesticide product. Notes that apply to an individual test and include specific conditions, qualifications, or exceptions to the designated test are listed in paragraph (f) of the section.
  2. (b)Use patterns. Product chemistry data are required for all pesticide products and are not use-specific.
  3. (c)Test substance. Data requirements that list only the manufacturing-use product as the test substance apply to products containing solely the technical grade of the active ingredient and manufacturing-use products to which other ingredients have been intentionally added.
  4. (d)Key. R = Required; CR = Conditionally required; MP = Manufacturing-use product; NR = Not required; EP = End-use product; TGAI = Technical grade of the active ingredient; PAI = Pure active ingredient.
  5. (e)Table. The following table shows the data requirements for product chemistry. The table notes are shown in paragraph (f) of this section.
  6. (f)Test notes. The following test notes are applicable to the product chemistry data requirements in the table to paragraph (e) of this section: