Aremp and water sample analysis

The Department of the Interior Bureau of Land Management Oregon-Washington Region seeks laboratory analysis of 165 water samples for Total Nitrogen and Total Phosphorus under the Aquatic and Riparian Effectiveness Monitoring Program (AREMP), with quotations due October 21, 2026. The procurement is set aside for Women-Owned Small Businesses.

Place of performance is Portland, Oregon. Samples will be collected from 28 specified locations across Oregon, including creeks and rivers such as Abbott Creek, Applegate River, Hamma Hamma River, and Upper Nestucca River. The contractor must analyze samples using Lachat QuikChem Methods 10-107-04-4-B and 10-115-01-4-B with persulfate digestion and flow injection analysis, coupled with EPA methods 353.2M for nitrate-N determination and EPA 365.1M for orthophosphate measurement. Alternative methods such as SM 4500 may be considered only if the laboratory provides sufficient evidence of equivalency through comparative performance data, quality control documentation, method detection limit studies compliant with 40 CFR 136.6, and validation study plans, with prior written Government approval required. Samples will be delivered frozen in a single one-time delivery and may be thawed prior to analysis; turnaround time is 60 days from sample receipt to results delivery.

Period of performance runs from October 31, 2026 through March 31, 2027. The contract is firm fixed-price. The NAICS code is 541715. Award will be made to the responsible quoter whose quote is most advantageous to the Government, considering past performance on three similar projects completed within the last three years and price. Contractors must acknowledge receipt of Amendments P00001, P00002, P00003, and P00004 prior to the October 21 deadline. Questions are due two days prior to solicitation close. Quotations must be submitted electronically to PAM-All_BLM_OR_WA_Solicitations@ios.doi.gov in two parts: non-price section with past performance, and price section with Standard Form 1449 and unit pricing for 165 samples. Payment is submitted through the Invoice Processing Platform.