The U.S. Geological Survey intends to award a non-competitive purchase order for metals analysis of fish muscle tissue samples, with performance at Brooks Applied Labs in Lake Forest Park, Washington. The analysis results must be delivered to Kearneysville, West Virginia within one year of the contractor receiving the purchase order. The required detection limits are As (0.002 mg/kg), Cd (0.002 mg/kg), Pb (0.002 mg/kg), and Hg (0.003 mg/kg). No budget amount is specified. This notice is for informational purposes only and is not a request for competitive quotations.