GENERAL TERMS AND CONDITIONS
                                  (Continued)
   
            (f)   shall not contain more than two percent (2%) by volume of
                  carbon dioxide;
   
            (g)   shall be delivered at a temperature not in excess of one
                  hundred twenty degrees (120 ) Fahrenheit;
   
            (h)   shall not contain more than three percent (3%) by volume
                  of nitrogen; and
   
            (i)   shall not contain any polyclorinated biphenyls.
   
      7.3   Failure to Meet Specifications.  Should any Gas tendered for
            injection or withdrawal hereunder fail at any time to conform
            to any of the specifications of this Article, the affected
            Party shall notify the other party of any such failure and the
            affected party may at its option suspend all or a portion of
            the receipt of any such Gas, and shall be relieved of
            obligations hereunder for the duration of such time as the Gas
            does not meet such specifications.
   
      7.4   Commingling.  It is recognized that Gas delivered to Seller by
            Customer will be commingled with other Gas stored hereunder by
            Seller.  Accordingly, the Gas of Customer shall be subject to
            such changes in heat content as may result from such
            commingling and Seller shall, notwithstanding any other
            provision herein, be under no obligation to withdraw for
            Customer's account, Gas of a heat content identical to that
            caused to be delivered by Customer to Seller.
   
  8.  BILLING AND PAYMENT
   
      8.1   Billing.  On or before the ninth (9th) Business Day of each
            Month, Seller shall render (for purposes of this Section 8.1,
            "render" shall mean (a) postmarked or (b) time-stamped and
            electronically transmitted via EDM to the designated site,
            whichever is applicable) an invoice to Customer setting forth
            the amount due for the preceding Month under the applicable
            Rate Schedule(s). Seller's invoice shall be based on actuals
            (if available) or best available data.  Quantities at points
            where OBAs exist shall be invoiced based on scheduled
            quantities.