- (a) Oxygen content of the atmosphere shall be reduced to 5% or less in a controlled atmosphere storage room within 20 days after sealing the room and be maintained at or below such level for 90 days or more.
- (b) The temperature, oxygen content and carbon dioxide content of the atmosphere shall be determined and recorded daily in a manner approved by the Department.
Cross References
This section cited in 7 Pa. Code § 93.3 (relating to certification and sealing procedures) and 7 Pa. Code § 93.6 (relating to marking).