ASTM E1102-91(2002)

Standard Terminology Relating to Agricultural Chemical Application

SCOPE
1.1 The purpose of this terminology standard is to establish uniformity in terms used in the field of agricultural chemical application. Terms are adopted from related fields and where applicable from Definitions E609.  
1.2 The terms are appropriate to any agricultural chemical application. Units in parenthesis following a definition are meant as typical and are not exhaustive of all units available for the term.

General Information

• Status: Historical
• Publication Date: 14-Mar-1991
• ICS: 01.040.65 - Agriculture (Vocabularies)
• ICS: 65.100.01 - Pesticides and other agrochemicals in general
• Technical Committee: E35 - Pesticides, Antimicrobials, and Alternative Control Agents
• Drafting Committee: E35.22 - Pesticide Formulations and Delivery Systems

Relations

• Replaces: ASTM E1102-91(1996)e1 - Standard Terminology Relating to Agricultural Chemical Application
• Effective Date: 15-Mar-1991
• Replaced By: ASTM E1102-91(2009) - Standard Terminology Relating to Agricultural Chemical Application
• Effective Date: 01-Oct-2009

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E1102–91(Reapproved 2002)
Standard Terminology Relating to
Agricultural Chemical Application
This standard is issued under the fixed designation E1102; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope treated. (For area treatment, L/ha, or gal/A; for space
3 3
treatment, mL/m , or oz/1000 ft ; for individual units,
1.1 The purpose of this terminology standard is to establish
L/plant, mL/animal, or gal/tree).
uniformity in terms used in the field of agricultural chemical
cumulative droplet diameter (D and D )—diameter of
v.1 v.9
application. Terms are adopted from related fields and where
drop such that 10 % and 90 %, respectively, of the liquid
applicable from Definitions E609.
volume is in drops of smaller diameter.
1.2 The terms are appropriate to any agricultural chemical
concentration—amount of the active ingredient contained in
application. Units in parenthesis following a definition are
the chemical formulation expressed as a percent or mass per
meantastypicalandarenotexhaustiveofallunitsavailablefor
relevant unit basis.
the term.
deposit rate—the amount of any material deposited per unit
2. Referenced Documents area.
active chemical deposit rate—the amount of active ingredient
2.1 ASTM Standards:
deposited per unit area.
E609 Terminology Relating to Pesticides
formulation deposit rate—theamountofformulationdeposited
3. Terminology
per unit area.
spray deposit rate—the amount of spray liquid deposited per
GENERAL CHEMICAL TERMS AND
unit area. Mean deposit rate is the average amount of deposit
CHARACTERISTIC MEASUREMENTS
over the entire spray swath. Effective spray deposit rate is
the mean deposit from center to center of adjoining swaths.
air flow rate—the flow rate of air, expressed in volume per
3 3 3
diluent—a gas, liquid, or solid used to reduce the concentra-
relevant unit (ft /min, m /s, m /tree).
tion of an active ingredient in the formulation or application
application rate—the amount of any material applied per unit
of a pesticide (see Definitions E609).
treated:
drift—the movement of chemicals outside the intended target
active chemical rate—the amount of active ingredient (a.i.)
by air mass transport or diffusion.
applied per unit treated, expressed in terms of mass per
airborne drift—the dispersion of chemical particles to the
relevant unit treated. (For area treatment, kg a.i./ha, lb a.i./A,
atmosphere outside the intended target.
or oz a.i./1000 ft. of row; for space application, mg a.i./m ,
particle drift deposits—the deposition of chemical particles
or oz a.i./1000 ft ; for individual units, kg a.i./plant or
outside the intended target.
animal).
vapor drift—the dispersion of vaporized chemical to the
formulation rate—the amount of chemical formulation applied
atmosphere and areas surrounding the target area during and
per unit treated, expressed in terms of mass or volume per
following application.
relevant unit treated. (For area treatment, kg/ha, lb/A, or
formulation—the form in which a chemical is offered to the
oz/1000 ft of row; for space application, mg/m , or oz/1000
user.
ft ; for individual units, kg/plant or animal).
¯
mean droplet diameter ( D )—is represented by the follow-
spray rate—the amount of spray liquid emitted by an applica-
pq
ing:
tion unit during treatment, expressed in volume per unit
p
(D
i
~p2q!
¯
D 5 (1)
pq q
(D
These terminologies are under the jurisdiction of ASTM Committee E35 on
i
Pesticides and Alternative Control Agents and is the direct responsibility of
Subcommittee E35.22 on Pesticide Formulation and Application Systems. where:
th
Current edition approved March 15, 1991. Published May 1991. Originally
D = the diameter of the i particle,
i
published as E1102 – 86. Last previous edition E1102 – 86. DOI: 10.1520/E1102- o
= the total number of drops in the sample. Thus:
(D
i
91R02.
¯
2 D = length mean diameter,
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
¯
D = area mean diameter,
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
E1102–91 (2002)
¯ sufficient volume such that it begins to drip from the target.
D = volume mean diameter,
¯
space application—dispersion of liquid, gas, or dry particles
D = volume/length mean diameter (mean evaporative
in an air space in such a manner that target pests are exposed
diameter),
¯
D = SAUTER mean diameter, and to the chemical.
¯
D = DeBROUKERE or HERDAN mean diameter.
spottreatment—applicationofachemicaltoasmallrestricted
mediandropletdiameter(D )—Forcumulativedistributions, area, usually to control the spread of a pest.
xf
D , where x is V, A, L,or N, are diameters such that the
soil injection—the mechanical placement of a pesticide be-
xf
fraction (f) of the total of volume, surface area, length of neaththesoilsurfacewithaminimumdisturbanceofthesoil
diameter, or number of drops respectively, is in drops of
(see Definitions E609).
smaller diameter.
APPLICATION APPARATUS
Thus:
D = volume median diameter, aerosol generator—any mechanical or thermal device that
V.5
D = area median diameter, produces a liquid dispersion having a volume median less
A.5
D = length median diameter, and
L.5 than 50 µm.
D = number median diameter.
N.5 air carrier sprayer—an apparatus consisting of a pressure
Also, D and D = diameter of drop such that 10 % and
V.1 V.9 source and controls for the spray liquid and a blower with
90 % respectively, of the liquid volume is in drops of smaller
suitableduct
...