Universal Solids Standard (USS) provides known QC data for all solids procedures.

• Obtain batch level quality analysis and control for all solids testing at an affordable price
• Quality guaranteed—NIST-traceability is shown on the Certificate of Analysis and each parameter has an acceptability range of ±3 standard deviations
• Choose from three ranges to best fit your testing needs

This product complies with the following methods: SM 2540,ASTM D5907

These Environmental Express universal solids standards cover multiple EPA test method standard control requirements including TS, TSS, VS, and VSS. Use is easy—simply add the bottle contents into your graduated cylinder and fill to volume, or use as a Matrix Spike by adding a bottle directly to your sample.