WILLIAMS MIDSTREAM NATURAL GAS LIQUIDS by ays20225

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									                                 WILLIAMS MIDSTREAM NATURAL GAS LIQUIDS
                                             SPECIFICATIONS
                                           NORMAL BUTANE, 95%


                                                                    Receipt               Delivery
       Specification Point                   Test Method            Specifications        Specifications
                                             (Latest Issue)

(1)    Composition                           MAPL Test No. 6
       Normal Butane, Minimum L.V.%          ASTM D-2163             95.50                  95.00
       Iso-Butane, Maximum L.V.%                                      4.50                   5.00
       Pentanes and Heavier, Maximum L.V.%                            1.00                   1.50
       Propane, Maximum L.V.%                                         0.45                   0.50

(2)    Vapor Pressure                        MAPL Test No. 1
       At 100°F, PSIG, Maximum               ASTM D-1267             50                     50

(3)    Volatility                            MAPL Test No. 3
       Temperature at 95% Evaporated,        ASTM D-1837             36                     36
       Degrees F, Maximum

(4)    Corrosiveness                         MAPL Test No. 9
       Copper Strip at 100°F                 ASTM D-1838              No. 1                 No. 1

(5)    Volatile Sulfur                       MAPL Test No. 11
       PPM by Weight, Maximum                ASTM D-2784             93                     93

(6)    Hydrogen Sulfide                      MAPL Test No. 12
                                             ASTM D-2420              Pass                  Pass

(7)    Dryness                               MAPL Test No. 15
       Free Water                            Inspection               None                  None

(8)    Olefins                               Gas Chromatography       0.30                   0.35
       Olefin, Maximum L.V.%




WMNGL, Normal Butane, 95%                                                            August 1, 2002

								
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