SACAQMD RULE 447 ORGANIC LIQUID LOADING          
LAST REVISED 11/16/93          

          SACRAMENTO METROPOLITAN AQMD                RULES AND REGULATIONS
                                 RULE 447 ORGANIC LIQUID LOADING
                                         Adopted 1-14-74
                          (Amended 11-20-84, 4-18-89, 4-30-91, 11-16-93)



                                              INDEX

          100 GENERAL
              101  PURPOSE
              110  EXEMPTION, LOW VAPOR PRESSURE MATERIALS

          200 DEFINITIONS
              201  BACKGROUND
              202  BULK PLANTS
              203  BULK TERMINAL
              204  EXEMPT COMPOUNDS
              205  LEAK FREE
              206  LOADING FACILITY
              207  VAPOR TIGHT
              208  VOLATILE ORGANIC COMPOUNDS

          300 STANDARDS
              301  VAPOR RECOVERY REQUIRED
              302  VAPOR RECOVERY REQUIREMENTS, BULK TERMINALS
              303  VAPOR RECOVERY REQUIREMENTS, BULK PLANTS
              304  EQUIPMENT MAINTENANCE
              305  VAPOR DIAPHRAGM REQUIREMENTS

          400 ADMINISTRATIVE REQUIREMENTS
              401  COMPLIANCE SCHEDULE

          500 MONITORING AND RECORDS
              501  TESTING PROCEDURE
              502  RECORDS
          
          100 GENERAL

              101  PURPOSE:  To limit emissions from the loading of organic
                   liquids.

              110  EXEMPTION,  LOW  VAPOR  PRESSURE  ORGANIC  LIQUIDS:  The
                   loading of organic liquids having a vapor pressure  less
                   than  0.5 psia under actual loading conditions is exempt
                   from this rule.

          200 DEFINITIONS

              201  BACKGROUND:   A   reading   as  methane  on  a  portable
                   hydrocarbon detection instrument  which is determined at
                   least three (3) meters upwind from  the  affected device
                   to   be  inspected  and  uninfluenced  by  any  specific
                   emission point.

              202  BULK PLANT:   An  organic  liquid  distribution facility
                   which receives organic liquid from a  refinery  or  bulk
                   terminal  by  tank  truck  and  distributes  the organic
                   liquid   by   tank   truck   to   wholesale  and  retail
                   facilities.

              203  BULK TERMINAL:  An organic liquid  distribution facility
                   which  receives  organic  liquid  from the  refinery  by
                   pipeline, ship, or barge.

              204  EXEMPT  COMPOUNDS:  The following compounds  are  exempt
                   from the definition of VOC in Section 209:
                   204.1   methane
                   204.2   carbon dioxide
                   204.3   carbon monoxide
                   204.4   carbonic acid
                   204.5   metallic carbides or carbonates
                   204.6   ammonium carbonate
                   204.7   1,1,1-trichloroethane
                   204.8   methylene chloride
                   204.9   dichlorotrifluoroethane (HCFC-123)
                   204.10  2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124)
                   204.11  trichlorofluoromethane (CFC-11)
                   204.12  dichlorodifluoromethane (CFC-12)
                   204.13  trichlorotrifluoroethane (CFC-113)
                   204.14  dichlorotetrafluoroethane (CFC-114)
                   204.15  chloropentafluoroethane (CFC-115)
                   204.16  pentafluoroethane (HFC-125)
                   204.17  1,1,2,2-tetrafluoroethane (HFC-134)
                   204.18  tetrafluoroethane (HFC-134a)
                   204.19  dichlorofluoroethane (HCFC-141b)
                   204.20  chlorodifluoroethane (HCFC-142b)
                   204.21  1,1,1-trifluoroethane (HFC-143a)
                   204.22  chlorodifluoromethane (HCFC-22)
                   204.23  trifluoromethane (HFC-23)
                   204.24  1,1-difluoroethane (HFC-152a)
                   204.25  The  following  four  classes of perfluorocarbon
                           compounds:
                           a.  Cyclic,  branched,  or   linear,  completely
                               fluorinated alkanes.
                           b.  Cyclic,  branched,  or  linear,   completely
                               fluorinated ethers, with no unsaturations.
                           c.  Cyclic,   branched,  or  linear,  completely
                               fluorinated    tertiary   amines   with   no
                               unsaturations.
                           d.  Sulfur-containing  perfluorocarbons  with no
                               unsaturations and with sulfur bonds only  to
                               carbon and fluorine.


              205  LEAK  FREE:   A liquid leak of less than three drops per
                   minute excluding  losses  which occur upon disconnecting
                   transfer fittings, provided  such  disconnect  losses do
                   not  exceed  one  (1)  fluid  ounce, averaged over three
                   disconnects.

              206  LOADING  FACILITY: Any stationary  source  with  organic
                   liquid loading equipment.

              207  VAPOR  TIGHT:    A   concentration   of   total  organic
                   compounds,  measured  one (1) cm from any source,  which
                   does not exceed 10,000  ppm (expressed as methane) above
                   background,  as determined  by  a  method  specified  in
                   Section 501.3.

              208  VOLATILE ORGANIC  COMPOUNDS:   Compounds  containing  at
                   least one atom of carbon except for the compounds listed
                   in Section 204.

          300 STANDARDS

              301  CALIFORNIA  AIR RESOURCES BOARD CERTIFIED VAPOR RECOVERY
                   SYSTEM: Effective  May  31, 1991 a person shall not load
                   organic  liquids  into  any   tank  truck,  trailer,  or
                   railroad tank car from any loading  facility  unless the
                   loading facility is equipped with an ARB certified vapor
                   collection and disposal system.

              302  VAPOR  RECOVERY REQUIREMENTS; BULK TERMINALS:  A  person
                   shall not  transfer  or  permit  the transfer of organic
                   liquids into any tank truck, trailer  or  railroad  tank
                   car unless the emissions to the atmosphere do not exceed
                   0.08  pounds  of VOC per one thousand (1,000) gallons of
                   organic liquids  transferred  as  determined by a method
                   specified in Section 501.1.

              303  VAPOR RECOVERY REQUIREMENTS; BULK PLANTS: A person shall
                   not transfer or permit the transfer  of  organic liquids
                   into any tank truck, trailer or railroad tank car unless
                   the emissions to the atmosphere do not exceed 0.6 pounds
                   of  VOC  per  one  thousand  (1,000) gallons of  organic
                   liquids transferred as determined  by a method specified
                   in Section 501.1.

              304  EQUIPMENT  MAINTENANCE:  All equipment  associated  with
                   loading facilities  shall  be maintained to be leak free
                   and vapor tight.

              305  VAPOR DIAPHRAGM REQUIREMENTS:   Diaphragms used in vapor
                   storage tanks shall be maintained such that the volatile
                   organic compound concentration in the airspace above the
                   diaphragm  does  not  exceed  3,000 parts  per  million,
                   expressed  as  methane,  as  determined   by   a  method
                   specified in Section 501.2.

          400 ADMINISTRATIVE REQUIREMENTS

              401  COMPLIANCE  SCHEDULE:   Any  person  operating equipment
                   which does not comply with Section 301 on April 30, 1991
                   shall  request  ARB  certification  by  May   31,  1991.
                   Compliance  with Section 401 shall constitute compliance
                   with Section  301  unless  it  is  determined  that  the
                   equipment does not comply with section 303.

          500 MONITORING AND RECORDS

              501  TESTING  PROCEDURE:  A result by any of the below listed
                   test  methods   which   shows  non-compliance  with  any
                   provision of the rule shall  constitute  a  violation of
                   the rule.
                   501.1   CONTROL DEVICE: Control efficiency and  emission
                           rates of control devices shall be determined  by
                           EPA  Method  18, 25, 25A, 25B, or California Air
                           Resources Board Test Method 202 or 203.
                   501.2   DIAPHRAGM  AIRSPACE:    Concentrations   in  the
                           airspace   above   vapor   diaphragms  shall  be
                           determined by EPA Test Method  18  or California
                           Air Resources Board Test Method 150,  1-100,  or
                           2-6.
                   501.3   LEAK DETECTION: EPA Reference Method 21 shall be
                           used to determine vapor tight condition.
                   501.4   VAPOR  PRESSURE:  Vapor pressure may be obtained
                           from  standard  reference   texts   or   may  be
                           determined by ASTM D-2879-83 or   ASTM D-323-82.
                   501.5   DETERMINATION   OF  COMPOUNDS  EXEMPT  FROM  VOC
                           DEFINITION: If any  of  the perfluorocarbons are
                           being  claimed as exempt compounds,  the  person
                           making the  claim  must  state  in advance which
                           compounds are present, and the EPA-approved test
                           method used to make the determination  of  these
                           compounds.

              502  RECORDS:   Persons  subject  to this rule shall maintain
                   records  of  the  results of any  testing  performed  in
                   accordance with Section 501 for two years and make those
                   records  available  for  review  by  the  Air  Pollution
                   Control Officer upon request.