Materials Requirements

DOE-STD-3020-97

5.3

Materials Requirements

5.3.1

Filter Media.

5.3.1.1

Fibrous Filter Media. Non-metallic fibrous filter media shall

be procured in compliance with the provisions of MIL-F-

51079. This shall be cited in the purchaser's specification.

5.3.1.2

Non-fibrous Filter Media. Non-fibrous or metallic filter media

are acceptable provided the media meets the applicable

specification and performance requirements of Section 6 of

this standard and ASME AG-1 Code, Section FC,

Mandatory Appendix FC-I. Asbestos is not acceptable as a

filter medium component.

5.3.2

HEPA Filter Case Materials.

5.3.2.1

Structural Material. Metal filter case material shall be

equivalent to USS 14 gage steel as a minimum, with a

minimum thickness of 0.0720 inches (1.8 mm). Wood or

wood substitutes are acceptable, provided it can be

demonstrated that the filter frame material selected is

physically equivalent to plywood specifications which appear

in APA H850. Particle board is not acceptable.

Fire Retardance. Filter case material shall have a flame

5.3.2.2

spread classification of 25 or less when tested in

compliance with ASTM E-84.

5.3.2.3

Hazardous/TSCA/Mixed Waste. Construction materials for

HEPA filters shall be selected to avoid generation of EPA

regulated wastes as specified in 40 CFR 261. For this

reason,