WA State Pesticide Laws and Safety

Absorption

The Movement of a chemical into plants, animals (including humans), and microorganisms

Acaricide

A pesticide used to control mites and ticks. A miticide is a type of a Acaricide.

Acetylcholine

The primary chemical responsible for the transmission of nerve stimuli across the synapse of two neurons or the muscle.

Activator

an Adjuvant added to a pesticide to increase its toxicity.

Active ingredient

The chemical or chemicals in a product responsible for pesticidal activity

Acute Effects

The harmful effects that occur from a single exposure to a pesticide by any route of entry

Acute Toxicity

Single exposure

Adjuvant

A substance added to a pesticide to improve its effectiveness of safety. Same as additive. Examples are penetrants, spreader-stickers, and wetting agents.

Adsorption

The process by which chemicals are held or bound to a surface by physical or chemical attraction. Clay and high organic soils tend to adsorb pesticides

Aerosol

A material stored in a container under pressure. An extremely fine mist is produced when the material, dissolved in a liquid, is released into the air from the pressurized container.

Agitation

Process of stirring or mixing in a sprayer

Air-Purifying Respirators

a type of protection from pesticides that uses physical and chemical filters to trap and remove contaminants as they pass through the device before being breathed by the wearer. may be powered or non-powered

Air-Supplying Respirators

A type of protection from pesticides that provides clean, uncontaminated air from an outside source

Algae

Relatively simple plants that contain chlorophyll and are photosynthetic

Algaecide

A pesticide used to kill or inhibit algae

Annual

A plant that completes its life cycle in one year

Antagonism

The reduction of pesticide activity when two or more different pesticides are mixed together

Antibiotic

A microorganism-produced chemical that is toxic to other microorganisms. Examples are streptomycin, cycloheximide, and penicillin.

Anticoagulant

A chemical that prevents normal blood clotting. The active ingredient in some rodenticides

Antidote

A practical treatment used to counteract the effects of pesticide poisoning or some other poison in the body

Anti-Siphoning Device

A hose attachment designed to prevent backflow into a water source. Used to prevent the flow of pesticides mixes from spray tanks.

Arachnid

A wingless arthropod with two body regions and four pairs of jointed legs. Examples are spiders, ticks, and mites.

Atropine ( Atropine Sulfate)

An antidote used to treat organophosphates and carbamate poisoning.

Attractant

A substance or device to lure insects or other pests to a trap or poison bait

Avicide

A chemical used to kill or repel birds