AMAAPCD RULE 902 BENZENE ATCM AT RETAIL SERVICE STATIONS
LAST REVISED 10/21/89 

Rule 902  Benzene Airborne Toxic Control Measure at Retail
          Service Stations.

     902.1.    Definitions.

          i.        ARB Certified Vapor Recovery System.  A vapor
                    recovery system which has been certified by
                    the ARB pursuant to Section 41954.

          ii.       Excavation.  Exposure to view by digging.

          iii.      Existing Retail Service Station.  Any retail
                    service station operating, constructed, or
                    under construction as of February 21, 1989.

          iv.       Gasoline.  Any organic liquid (including
                    petroleum distillates and methanol) having a
                    Reid vapor pressure of four pounds or greater
                    and used as a motor vehicle fuel or any fuel
                    which is commonly or commercially known or
                    sold as gasoline.

          v.        Leak-Free.  A liquid leak of no more than
                    three drops per minute, excluding losses
                    which occur upon disconnect transfer filling,
                    provided such losses do not exceed ten
                    milliliters (0.34 fluid ounces) per
                    disconnect, averaged over three disconnects.

          vi.       Motor vehicle.  As defined in Section 415 of
                    the Vehicle Code.

          vii.      New Retail Service Station.  Any retail
                    service station which is not constructed or
                    under construction as of February 21, 1989.

          viii.     Owner or Operator.  An owner or operator
                    of a retail service station.

          ix.       Phase I Vapor Recovery System.  A gasoline
                    vapor recovery system which recovers vapors
                    during the transfer of gasoline from delivery
                    tanks into stationary storage tanks.

          x.        Phase II Vapor Recovery System.  A gasoline
                    vapor recovery system which recovers vapors
                    during the fueling of motor vehicles from
                    stationary storage tanks.

          xi.       Retail Service Station.  Any new or existing
                    motor vehicle fueling service station subject
                    to payment of California sales tax on
                    gasoline sales.  The term retail service
                    station does not apply to any of the
                    following operations:

               (1)       A transfer to a stationary storage tank
                         with a capacity of less than 250
                         gallons.

               (2)       A transfer to a stationary storage tank
                         used the majority of the time for the
                         fueling of implements of husbandry as
                         defined in Division 16, Chapter 1, of
                         the Vehicle Code.

               (3)       A transfer to a stationary storage tank
                         used exclusively to fuel motor vehicles
                         with a fuel capacity of five gallons or
                         less.

          xii.      Submerged Fill Pipe.  Any fill pipe which has
                    its discharge opening entirely submerged when
                    the liquid level above the bottom of the
                    stationary storage tank is

               (1)       Six inches for stationary storage tanks
                         filled from the top.

               (2)       Eighteen inches for stationary storage
                         tanks filled from the side.

          xiii.     Tank Replacement.  Replacement of one or more
                    stationary storage tanks at an existing
                    retail service station or excavation of fifty
                    percent (50%) or more of an existing retail
                    service station's total underground liquid
                    piping from the stationary  storage tanks to
                    the gasoline dispensers.

          xiv.      Throughput.  The volume of gasoline dispensed
                    at a retail service station.

          xv.       Vapor-tight.  A vapor leak of less than 100%
                    of the lower explosive limit on a combustible
                    gas detector measured at a distance of one
                    inch from the source.
   
     902.2.    Vapor Recovery Requirements.

          i.        Phase I Vapor Recovery System Requirements.

               (1)       Prohibition.  No owner or operator shall
                         transfer, permit the transfer, or
                         provide equipment for the transfer of
                         gasoline, and no other person shall
                         transfer gasoline, from a gasoline
                         delivery tank equipped with a vapor
                         recovery system into a stationary
                         storage tank at a retail service station
                         unless all of the following conditions
                         are met:

                    (a)       The stationary storage tank is
                              equipped with a permanent submerged
                              fill pipe.

                    (b)       The stationary storage tank is
                              equipped with an ARB certified
                              vapor recovery system.

                    (c)       All vapor return lines are
                              connected between the delivery tank
                              and the stationary storage tank.

                    (d)       The vapor recovery system is
                              operating in accordance with the
                              manufacturer's specifications; and
                              the delivery vehicle, including all
                              hoses, fittings, and couplings, is
                              maintained in a vapor-tight
                              condition; and equipment is
                              operated and maintained according
                              to manufacturers' specifications.

                    (e)       Hatch openings of no more than
                              three minutes in duration are
                              permitted for visual inspection,
                              provided that:

                         (i)       Pumping has been stopped for
                                   at least three minutes prior
                                   to opening.

                         (ii)      The hatch is closed before
                                   pumping is resumed.

                    (f)       Except for above-ground tanks, all
                              lines are to be gravity-drained, in
                              such a manner that upon disconnect,
                              no spillage would be expected.

                    (g)       Above-ground tanks shall be
                              equipped with dry-breaks, with any
                              liquid spillage upon disconnect not
                              exceeding ten milliliters.

                    (h)       Equipment is to be operated and
                              maintained, with no defects, as
                              follows:

                         (i)       All fill tubes are equipped
                                   with vapor-tight covers,
                                   including gaskets.

                         (ii)      All dry breaks have vapor-
                                   tight seals and are equipped
                                   with vapor-tight covers or
                                   dust covers.

                         (iii)     Coaxial fill tubes are
                                   operated so there is no
                                   obstruction of vapor passage
                                   from the storage tank back to
                                   the delivery vehicle.

                         (iv)      The fill tube assembly,
                                   including fill tube, fittings
                                   and gaskets, is maintained to
                                   prevent vapor leakage from any
                                   portion of the vapor recovery
                                   system.

                         (v)       All storage tank vapor return
                                   pipes without dry breaks are
                                   equipped with vapor-tight
                                   covers, including gaskets.

               (2)       Exemptions.  The provisions of 902.2.A.1
                         shall not apply to:

                    (a)       An existing retail service station
                              with an annual station gasoline
                              throughput of 480,000 or fewer
                              gallons during the calendar year
                              prior to 1989.  If during any
                              calendar year thereafter the
                              gasoline throughput from such tanks
                              at the existing retail service
                              station exceeds 480,000 gallons,
                              this exemption shall cease to apply
                              commencing with the first day of
                              the following calendar year.

                    (b)       A transfer to a stationary storage
                              tank at an existing retail service
                              station which receives gasoline
                              from delivery tanks that are not
                              equipped with vapor recovery
                              systems.

               (3)       Tank Replacement.  Notwithstanding
                         902.2.A.2.a, at the time of tank
                         replacement at an existing retail
                         service station, ARB certified Phase I
                         vapor recovery shall be installed and
                         used thereafter on all of the station
                         facilities.

          ii.       Phase II Vapor Recovery System Requirements. 
                    

               (1)       Prohibition.  No owner or operator shall
                         transfer, permit the transfer, or
                         provide equipment for the transfer of
                         gasoline from a stationary storage tank
                         at a retail service station into a motor
                         vehicle fuel tank of greater than five
                         gallons unless:

                    (a)       The dispensing unit used to
                              transfer the gasoline from the
                              stationary storage tank to the
                              motor vehicle fuel tank is equipped
                              with an ARB certified vapor
                              recovery system.

                    (b)       The vapor recovery system is
                              operating in accordance with the
                              manufacturer's specifications.

                    (c)       Equipment subject to this Rule is
                              operated and maintained with none
                              of the following defects, pursuant
                              to the definitions in CCR Section
                              94006, Subchapter 8, Chapter 1,
                              Part III, of Title 17, including
                              but not limited to:

                         (i)       Torn or cut boots.

                         (ii)      Torn or cut face seals or face
                                   cones.

                         (iii)     Loose or broken retractors.

                         (iv)      Boots clamped or otherwise
                                   held in an open position.

                         (v)       Leaking nozzles.

                         (vi)      Any nozzle components which
                                   are loose, missing, or
                                   disconnected, including but
                                   not limited to boots, face
                                   seals, face cones, check valve
                                   wires, and diaphragm covers
                                   and latching devices.

                         (vii)     Defective shutoff mechanisms.

                         (viii)    Any vapor fuel hoses and
                                   associated components which
                                   are loose, missing, or
                                   disconnected, including but
                                   not limited to flow
                                   restrictors, swivels, and
                                   anti-recirculation valves.

                         (ix)      Crimped, cut, severed, or
                                   otherwise damaged vapor or
                                   fuel hoses.

                         (x)       Assist-type vapor recovery
                                   systems, or any components of
                                   such systems, missing, turned
                                   off, or otherwise not
                                   operating.

                         (xi)      Any improper or non-ARB
                                   certified equipment or
                                   components.

               (2)       Exemptions.  The provisions of 902.2.B
                         shall not apply to an existing retail
                         service station which is exempt from
                         Phase I requirements under 902.2.A.2.a.

               (3)       Tank Replacement.  Notwithstanding
                         902.2.B.2, at the time of tank
                         replacement at an existing retail
                         service station, ARB certified Phase II
                         vapor recovery systems shall be
                         installed and used thereafter on all of
                         the station facilities.

               (4)       Correction of Defects.  No owner or
                         operator shall use or permit the use of
                         any Phase II system or any component
                         thereof containing a defect identified
                         in Title 17, CCR, Section 94006 until it
                         has been repaired, replaced, or
                         adjusted, as necessary to remove the
                         defect and APCD personnel have
                         reinspected the system or have
                         authorized its use pending reinspection. 
                         Nothing in this subdivision shall excuse
                         compliance with 902.2.B.1.  (Sections
                         41960.2.(c), 41960.2.(d), and
                         41960.2.(e))

          iii.      Additional Requirements.  

               (1)       Vapor recovery or vapor processing
                         systems used to comply with the
                         provisions of this Rule shall comply
                         with all safety, fire, weights and
                         measures, and other applicable codes or
                         regulations.  (Section 41960.1)

               (2)       A person shall not offer for sale, sell,
                         or install within the Amador County
                         APCD, any new or rebuilt vapor recovery
                         equipment unless the components clearly
                         identify by markings the certified
                         manufacturing company and/or certified
                         rebuilding company.  (Section
                         41960.2.(b))

               (3)       Vapor recovery systems required under
                         Rules 902.2.A and 902.2.B shall at all
                         times be installed, maintained and
                         operated in accordance with the
                         manufacturer's specifications and the
                         ARB certification, and shall be
                         maintained to be leak-free, vapor-tight
                         and in good working order.  (Section
                         41960.2.(a))  In the event that the
                         vapor recovery system is not capable of
                         being operated in accordance with the
                         manufacturer's specifications or ARB
                         certification, the  upset and breakdown
                         procedures of Rule 516 shall be
                         followed.

        902.3.    Administrative Requirements.  

          i.        New Retail Service Stations.  

               (1)       Authority to Construct.  The owner or
                         operator of any new retail service
                         station shall file an application for an
                         Authority to Construct with the APCD for
                         the installation of the equipment
                         required by Rules 902.2.A and 902.2.B
                         prior to construction.

               (2)       Permit to Operate.  The owner or
                         operator of any new retail service
                         station shall comply with the provisions
                         of Rules 902.2.A and 902.2.B and shall
                         secure the Permit to Operate from the
                         APCD at the time gasoline is first sold
                         from the station.

          ii.       Existing Retail Service Stations.

               (1)       Stations Subject to Rules 902.2, Vapor
                         Recovery Requirements.

                    (a)       Authority to Construct.  The owner
                              or operator of an existing retail
                              service station subject to Rules
                              902.2.A and 902.2.B, who has not
                              earlier complied, shall within six
                              months after February 21, 1989,
                              file an application for an
                              Authority to Construct with the
                              APCD for the installation of the
                              vapor recovery systems required.

                    (b)       Permit to Operate.  The owner or
                              operator shall fully comply with
                              the provisions in Rules 902.2.A and
                              902.2.B, and shall secure the
                              Permit to Operate from the APCD by
                              January 1, 1991.

               (2)       Stations Exempt from Rule 902.2.

                    (a)       Permit to Operate.  The owner or
                              operator of a retail service
                              station exempt from either Phase I
                              or Phase II requirements shall file
                              an application for a Permit to
                              Operate with the APCD within six
                              months after February 21, 1989.

                    (b)       Authority to Construct.  

                         (i)       Tank Replacement.  The owner
                                   or operator of any retail
                                   service station previously
                                   exempt from the vapor recovery
                                   requirements of Rules 902.2.A
                                   and 902.2.B shall at the time
                                   of a tank replacement or
                                   repair fully comply with the
                                   requirements of Rules 902.2.A
                                   and 902.2.B at the time
                                   gasoline is first received or
                                   dispensed after completion of
                                   the replacement or repair.

                         (ii)      Throughput Change.  The owner
                                   or operator of any retail
                                   service station previously
                                   exempt from the vapor recovery
                                   requirements of Rules 902.2.A
                                   and 902.2.B, where the
                                   throughput has changed such
                                   that the exemption is no
                                   longer applicable, except for
                                   those stations that lose the
                                   exemption due to tank
                                   replacement (Rule
                                   902.3.B.2.b.(1)), shall apply
                                   for the Authority to Construct
                                   with the APCD for the vapor
                                   recovery system(s) required no
                                   later than six months from the
                                   first day of the calendar year
                                   following the year the retail
                                   service station is no longer
                                   exempt.  The owner or operator
                                   shall be in full compliance
                                   with the provisions in Rules
                                   902.2.A and 902.2.B and shall
                                   have secured a new Permit to
                                   Operate within twenty-four
                                   months from the first day of
                                   the calendar year following
                                   the year the retail service
                                   station is no longer exempt.

          i.        Posting Requirements.

               (1)       The owner or operator of a retail
                         service station utilizing a Phase II
                         vapor recovery system shall con-
                         spicuously post operating instructions
                         for the system in the gasoline
                         dispensing area.  The instructions shall
                         clearly describe how to fuel vehicles
                         correctly with the vapor recovery
                         nozzles utilized at the station and
                         shall include a warning that repeated
                         attempts to continue dispensing, after
                         the system having indicated that the
                         vehicle tank is full, may result in
                         spillage or recirculation of gasoline. 
                         (Section 41960.4)

               (2)       The owner or operator of a retail
                         service station subject to Rule 902.2.B,
                         Phase II Vapor Recovery, shall con-
                         spicuously post in the gasoline
                         dispensing area the phone number for the
                         APCD for complaints.  (Section 41960.3)

          ii.       Fees.

               (1)       The owner or operator of a retail
                         service station shall pay the fees
                         required by Regulation VI of the Amador
                         County Air Pollution Control District
                         Rules and Regulations.

               (2)       The owner or operator of a retail
                         service station subject to the
                         requirements of Rule 902.2.B shall pay
                         an additional fee of $25.00 per nozzle.