Table 11204 Inventory Monitoring Methods

Method Principle Claimed Accuracy

Gauge stick Measuring project level with dip stick when Gross station is closed

MFP-414 TLG leak detector Monitoring product weight by measuring Sensitive to 0.1% of product height change pressure and density at the top, middle, and bottom of tank

TLS-150 Using electronic level measurement device or Sensitive to 0.1-in. level change programmed microprocessor inventory system

Source: Reprinted from U.S. EPA, 1986.

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