Cal. Code Regs. tit. 4 § 4054.3

Current through Register 2024 Notice Reg. No. 40, October 4, 2024

Section 4054.3 - T. Tolerances

T.1. Performance accuracy - primary and secondary shut-off devices.

T.1.1. Primary shut-off device overrides.

The required, additional attempts, in total, to override any nozzle primary shut-off device shall not increase the dispenser volume indication by more than ¹/₁₀ gallon.

T.1.2. Secondary shut-off device.

With the vapor return line blocked by fuel (simulating recirculation due to primary shut-off device failure), each attempt to dispense fuel shall result in automatic nozzle shut off before the dispenser volume indication increases more than ³/₁₀ gallon.

T.2. Assist system inches of H₂O column vacuum.

Assist vapor recovery systems shall operate at the inches of H₂O column vacuum recommended by the manufacturer, but shall not exceed -10 inches of H₂O column vacuum for nozzles where the spout is booted and can form a closed seal around the vehicle filler neck.

T.3. Delivery accuracy - 150 vehicle test.

The quantity of measured liquid collected in the vapor return line/lines shall not exceed both:

(a) 0.2 percent of any one individual vehicle fuel delivery, and

(b) 0.02 percent of the sum of the fuel deliveries to all vehicles observed (150 or more) during the delivery accuracy tests.

Cal. Code Regs. Tit. 4, § 4054.3

1. Repealer and new section filed 8-1-91; operative 9-2-91 (Register 92, No. 9).
2. Amendment of subsection T.2. filed 5-7-97; operative 6-6-97 (Register 97, No. 19).

Note: Authority cited: Sections 12107 and 12500.5, Business and Professions Code; and Sections 41956(a) and 41956(c), Health and Safety Code. Reference: Sections 12107 and 12500.5, Business and Professions Code; and Sections 41956(a) and 41956(c), Health and Safety Code.

1. Repealer and new section filed 8-1-91; operative 9-2-91 (Register 92, No. 9).
2. Amendment of subsection T.2. filed 5-7-97; operative 6-6-97 (Register 97, No. 19).