40 CFR Table 2 to Subpart II of Part 63: Table 2 to Subpart II of Part 63—Volatile Organic HAP (VOHAP) Limits for Marine Coatings

Coating category VOHAP limits a, b, c

Grams/liter coating (minus water and exempt compounds) Grams/liter solids d

t ≥4.5 °C t <4.5 °C e

General use 340 571 728

Specialty:

Air flask 340 571 728

Antenna 530 1,439

Antifoulant 400 765 971

Heat resistant 420 841 1,069

High-gloss 420 841 1,069

High-temperature 500 1,237 1,597

Inorganic zinc high-build 340 571 728

Military exterior 340 571 728

Mist 610 2,235

Navigational aids 550 1,597

Nonskid 340 571 728

Nuclear 420 841 1,069

Organic zinc 360 630 802

Pretreatment wash primer 780 11,095

Repair and maint. of thermoplastics 550 1,597

Rubber camouflage 340 571 728

Sealant for thermal spray aluminum 610 2,235

Special marking 490 1,178

Specialty interior 340 571 728

Tack coat 610 2,235

Undersea weapons systems 340 571 728

Weld-through precon. primer 650 2,885

a The limits are expressed in two sets of equivalent units. Either set of limits may be used for the compliance procedure described in § 63.785(c)(1), but only the limits expressed in units of g/L solids (nonvolatiles) shall be used for the compliance procedures described § 63.785(c) (2) through (4).

b VOC (including exempt compounds listed as HAP) shall be used as a surrogate for VOHAP for those compliance procedures described in § 63.785(c) (1) through (3).

c To convert from g/L to lb/gal, multiply by (3.785 L/gal)(1/453.6 lb/g) or 1/120. For compliance purposes, metric units define the standards.

d VOHAP limits expressed in units of mass of VOHAP per volume of solids were derived from the VOHAP limits expressed in units of mass of VOHAP per volume of coating assuming the coatings contain no water or exempt compounds and that the volumes of all components within a coating are additive.

e These limits apply during cold-weather time periods, as defined in § 63.782. Cold-weather allowances are not given to coatings in categories that permit less than 40 percent volume solids (nonvolatiles). Such coatings are subject to the same limits regardless of weather conditions.