Table of Contents

Exhibit31.2

CERTIFICATION

I, Daniel R. McAuliffe, Jr.,certify that:

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| 1.  | I have reviewedthis quarterly report on Form 10-Q of Salomon Smith Barney FairfieldFutures Fund L.P. (the "registrant"); |

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| 2.  | Based on my knowledge, this reportdoes not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in lightof the circumstances under which such statements were made, notmisleading with respect to the period covered by this report; |

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| 3.  | Based on my knowledge, the financialstatements, and other financial information included in this report,fairly present in all material respects the financial condition,results of operations and cash flows of the registrant as of, and for,the periods presented in this report; |

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| 4.  | The registrant's othercertifying officer and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(e) and 15d-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the registrant and have: |

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| a)  | designed such disclosure controlsand procedures, or caused such disclosure controls and procedures to bedesigned under our supervision, to ensure that material informationrelating to the registrant, including its consolidated subsidiaries, ismade known to us by others within those entities, particularly duringthe period in which this report is being prepared; |

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| b)  | designed such internal control overfinancial reporting, or caused such internal control over financialreporting to be designed under our supervision, to provide reasonableassurance regarding the reliability of financial reporting and thepreparation of financial statements for external purposes in accordancewith generally accepted accountingprinciples; |

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| c)  | evaluated theeffectiveness of the registrant's disclosure controls andprocedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures, as of the endof the period covered by this report based on such evaluation; and |

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| d)  | disclosed in this report any changein the registrant's internal control over financial reportingthat occurred during the registrant's most recent fiscal quarterthat has materially affected, or is reasonably likely to materiallyaffect, the registrant's internal control over financialreporting; and |

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| 5.  | Theregistrant's other certifying officer and I have disclosed, basedon our most recent evaluation of internal control over financialreporting, to the registrant's auditors and the audit committeeof the registrant's board of directors (or persons performing theequivalent functions): |

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| a)  | allsignificant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which arereasonably likely to adversely affect the registrant's ability torecord, process, summarize and report financial information; and |

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| b)  | any fraud, whether or not material,that involves management or other employees who have a significant rolein the registrant's internal control over financialreporting. |

Date: May 11, 2006

/s/ Daniel R. McAuliffe,Jr.

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|  | DanielR. McAuliffe, Jr. Citigroup Managed Futures LLC Chief FinancialOfficer and Director |
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