Ariz. Admin. Code § R18-2-727 - Standards of Performance for Spray Painting Operations
A. No person shall conduct any spray paint
operation without minimizing organic solvent emissions. Such operations other
than architectural coating and spot painting, shall be conducted in an enclosed
area equipped with controls containing no less than 96% of the
overspray.
B. No person shall
either:
1. Employ, apply, evaporate or dry any
architectural coating containing photochemically reactive solvents for
industrial or commercial purposes; or
2. Thin or dilute any architectural coating
with a photochemically reactive solvent.
C. For purposes of subsection (B), a
photochemically reactive solvent shall be any solvent with an aggregate of more
than 20% of its total volume composed of the chemical compounds classified in
subsections (1) through (3), or which exceeds any of the following percentage
composition limitations, referred to the total volume of solvent:
1. A combination of the following types of
compounds having an olefinic or cyclo-olefinic type of unsaturation --
hydrocarbons, alcohols, aldehydes, esters, ethers, or ketones: 5%.
2. A combination of aromatic compounds with 8
or more carbon atoms to the molecule except ethylbenzene: 8%.
3. A combination of ethylbenzene, ketones
having branched hydrocarbon structures, trichlorethylene or toluene:
20%.
D. Whenever any
organic solvent or any constituent of an organic solvent may be classified from
its chemical structure into more than one of the groups or organic compounds
described in subsection (C)(1) through (3), it shall be considered to be a
member of the group having the least allowable percent of the total volume of
solvents.
Notes
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