Subpart C—Gauging Instruments

Sections

• 30.21
  § 30.21 Requirements.
• 30.22
  § 30.22 Hydrometers and thermometers.
• 30.23
  § 30.23 Use of precision hydrometers and thermometers.
• 30.24
  § 30.24 Specific gravity hydrometers.
• 30.25
  § 30.25 Use of precision specific gravity hydrometers.