United Sciences Testing has developed a fully automated 40 CFR Part 75 flow measurement audit system. It provides a variety of auditing and leasing services to its customers in the commercial and corporate sectors. The compoany also leases its AUTOO-PROBE Q2000 system to utilities with various internal test teams, and it also trains other company s employees to conduct flow audits. Its Auto-Probe System provides automated Method 2 Probes for the Environmental Protection Agency Test Method 2, 2G and 2H on circular stacks, and it is also used to perform rectangular duct relative accuracy test audit testing of CTM-041 up to eight probes. The company is located in Gibsonia, Pa.