NEWARK, Del.--(BUSINESS WIRE)--Strategic Diagnostics Inc. (NASDAQ: SDIX), today announced that it will host a fourth quarter and year end conference call on February 26, 2009. The Company also announced that it will record a fourth quarter non-cash after tax charge of $11.5 to $13.0 million for impairment of goodwill ($4 to $4.5 million) and recordation of a valuation allowance against deferred tax assets ($7.5 to $8.5 million).