Utah Admin. Code R307-353-5 – VOC Content Limits

(1) For automobile and truck plastic parts coating lines:
1. (a) No owner or operator shall apply coatings with a VOC content greater than the amounts specified in Table 1, unless the owner or operator uses an add-on control device as specified in R307-353-8.
2. (b) For red and black coatings, the content limitation shall be determined by multiplying the appropriate limit in Table 1 by 1.15.
3. (c) When EPA Method 24 is used to determine the VOC content of a high bake coating, the applicable content limitation shall be determined by adding 0.5 to the appropriate limit in Table 1.
4. (d) When EPA Method 24 is used to determine the VOC content of an air-dried coating, the applicable content limitation shall be determined by adding 0.1 to the appropriate limit in Table 1.
  TABLE 1
  AUTOMOBILE AND TRUCK PLASTIC PARTS COATING LINES
  (values in pounds of VOC per gallon of coating, minus water and
  exempt solvents (compounds not classified as VOC as defined in
  R307-101-2), as applied)
  Coating Category VOC Content Limits (lb/gal)
  High bake coating - exterior and
  interior parts
  Prime
  Flexible coating 4.5
  Nonflexible coating 3.5
  Topcoat
  Basecoat 4.3
  Clearcoat 4.0
  Non-basecoat/clearcoat 4.3
  Air-dried coating - exterior parts
  Prime 4.8
  Topcoat
  Basecoat 5.0
  Clearcoat 4.5
  Non-basecoat/clearcoat 5.0
  Air-dried coating - interior parts 5.0
  Touch-up and repair 5.2
(2) No owner or operator of a business machine plastic parts coating line shall apply coatings with a VOC content greater than the amounts specified in Table 2, unless the owner or operator uses an add-on control device as specified in R307-353-8.
TABLE 2
BUSINESS MACHINE PLASTIC PARTS COATING LINES
(values in pounds of VOC per gallon of
coating, minus water and exempt solvents (compounds not
classified as VOC as defined in R307-101-2), as applied)
Coating Category VOC Content Limits (lb/gal)
Prime 2.9
Topcoat 2.9
Texture coat 2.9
Fog coat 2.2
Touch-up and repair 2.9
(3) No owner or operator engaged in the other plastic product coating operations listed in Table 3 shall apply coatings with a VOC content greater than the amounts specified in Table 3, unless the owner or operator uses an add-on control device as specified in R307-353-8.
TABLE 3
OTHER PLASTIC PRODUCT COATING CATEGORIES
(values in pounds of VOC per gallon of
coating, minus water and exempt solvents (compounds not
classified as VOC as defined in R307-101-2), as applied)
Coating Category VOC Content Limits (lb/gal)
General One-Component 2.3
General Multi-Component 3.5
Electric Dissipating Coatings
And Shock-Free Coatings 3.0
Extreme Performance 3.5
(2-pack coatings)
Metallic 3.5
Military Specification 2.8 (1 pack)
3.5 (2 pack)
Mold-Seal 6.3
Multi-colored Coatings 5.7
Optical Coatings 6.7
Vacuum-Metalizing 6.7
Mirror Backing
Curtain Coated 4.2
Roll Coated 3.6
(4) If a part consists of both plastic and metal surfaces, then the coatings applied to the part must comply with the content limits of this rule.

KEY: air pollution, emission controls, coatings, plastic parts

Date of Last Change: December 6, 2017

Notice of Continuation: February 1, 2023

Authorizing, and Implemented or Interpreted Law: 19-2-104(1)(a)