US EPA Methods 600/4-79-020 - Groundwater and Wastewater Control Check Standards
CPI International brings you an advanced selection of standards for the purpose of precise and accurate performance of groundwater and wastewater control checking under the EPA Methods 600/4-79-020. Our Multi-Element Peak Performance™ Standards function as a daily control standard to check the accuracy and precision of your groundwater and wastewater sample analysis.
We also offer customized standard solutions for reduced workload and increased efficiency in laboratories. Our reference materials are available in 1mL ampules or two 0.6mL ampules to increase your shelf life at no additional cost.
A certificate of analysis and a material safety data sheet are shipped with every standard and the accuracy of single element standards is guaranteed to ±0.3% for 18 months from the date of shipment.
For inquiries and assistance, you can reach us at 1 800-878-7654 (Customer Service Line), 707-525-5788 (California), +31 20 638 05 97 (Europe) or email Sales@CPIInternational.com.