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2. NIST Handbook 44 Meter Audit
Tolerance: ±0.5% (±6 cu in / 5 gal)
⚠️
SHORT-MEASURE DETECTED: Exceeds NIST HB 44 Legal Limit
5-Gallon Prover Displacement Model
-9.68 cu in / 5 gal
-15 cu. in. (Short)
0 (Exact)
+15 cu. in. (Over)
| Audit Parameter | Calculated Value | Legal Standard |
|---|---|---|
| Price Arithmetic Check | $52.485 (Match) | Exact / Rounded Cent |
| Volumetric Deviation | -0.80% | ±0.50% Max Allowed |
| Estimated Fuel Loss / Fill | 0.120 Gallons Short | 0.000 Gallons |
| Consumer Overcharge / Fill | $0.42 per Fill | $0.00 |
| Est. Annual Loss (26 fills) | $10.92 / year | $0.00 |
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