REGULATORY MATTERS, COMMITMENTS, CONTINGENCIES AND ENVIRONMENTAL LIABILITIES: Regulatory Matters Southern Union and its Subsidiaries Sea Robin Pipeline, a subsidiary of Southern Union, is recovering Hurricane Ike-related costs not otherwise recovered from insurance proceeds or from other third parties, as well as applicable carrying charges, through a rate surcharge approved by the FERC. As of March 31, 2012 , our consolidated balance sheet reflects approximately $44.8 million of costs to be recovered by Sea Robin Pipeline in future periods via the surcharge. The FERC is currently conducting an audit of PEPL, a subsidiary of Southern Union, to evaluate its compliance with the Uniform System of Accounts as prescribed by the FERC, annual and quarterly financial reporting to the FERC, reservation charge crediting policy and record retention. The audit is related to the period from January 1, 2010 to present and is expected to take approximately one year to complete. Contingent Residual Support Agreement   AmeriGas AmeriGas Finance LLC, a wholly owned subsidiary of AmeriGas, issued $550 million in aggregate principal amount of 6.75% senior notes due 2020 and $1.0 billion in aggregate principal amount of 7.00% senior notes due 2022. AmeriGas borrowed $1.5 billion of the proceeds of the Senior Notes issuance from Finance Company through an intercompany borrowing having maturity dates and repayment terms that mirror those of the Senior Notes. In connection with the Propane Contribution, ETP entered into a CRSA with AmeriGas, AmeriGas Finance LLC, AmeriGas Finance Corp. and UGI Corp., pursuant to which ETP will provide contingent, residual support of the Supported Debt, as defined in the CRSA. Commitments In the normal course of our business, our operating entities purchase, process and sell natural gas pursuant to long-term contracts and enter into long-term transportation and storage agreements. Such contracts contain terms that are customary in the industry. We believe that the terms of these agreements are commercial