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10 Executive Order G-70-164,Exhibit 2,page 3 Air to Liquid Ratios Flow Rate (qpm) Minimum Ratio Maximum Ratio 6 1.40 2.40 8 1.40 2.30 10 1.40 2.15 NOTES: a. The Husky V34 6200-8 nozzle requires a special A/L adapter that will encompass all of the vapor recovery holes; however, test results have indicated that a special A/L adapter is not necessary if the single top hole is covered for the A/L test (refer to Figure 2C-3). b. This test procedure returns air rather than vapor to the storage tank, and may cause an increase in storage tank pressure and/or affect process unit operation. Temporary conditions which are attributable to the test are not to be considered an indication of malfunction or noncompliance. 2. No dispensing shall be allowed when the collection unit is disabled for maintenance or for any other reason unless the facility is operating under a district variance or upset/breakdown rule provision. 3. The maximum number of fueling points which can be supported by one collection unit is sixteen (16). This is based on an in-use factor of fifty percent (50%) and a demonstration of eight nozzles dispensing 7.5 gallons simultaneously with an A/L ratio greater than 1.4. Additional fueling points require an additional collection unit (one per sixteen additional fueling points). 4. OSHA-approvable access to the collection unit shall be provided immediately upon request for maintenance, inspection and/or testing. 5. The local district may require the installation of a tap at least 1/8" NPT be provided on the inlet and outlet side of the collection unit. The taps.shall remain plugged and vapor tight except when test equipment is being connected or removed, and air ingestion and/or vapor loss associated with connecting or removing test equipment shall be minimized. The vacuum level at the inlet of the collection unit can be adjusted by changing the size of the by-pass orifice. The normal operating level at this point shall be minus 30 to 40 inches water column. Note: Changing the length of the hoses or the number of installed nozzles may affect the vacuum level and require adjustment of the by-pass orifice. Processing Unit (burner) 1. The Hasstech VCP-3A Processing consists of an inline flame arrestor, an inline pressure switch, a solenoid activated vapor valve, another flame arrestor, and a single stage burner assembly with electronic ignition and a flame detector (refer to Figure 213-1).