CIH Equipment Company, Inc. is the leading calibration laboratory specifically dedicated to industrial hygiene and environmental calibrations. Our procedures make use of the latest techniques from industry, government organizations, and professional groups. We are registered as a Commercial Calibration Laboratory (CCL) under the National Nuclear Security Administration (NNSA) Standards and Calibration Program. We are also ISO 17025 and ANSI Z540-1 compliant. CIH Equipment Company`s proprietary metrology management program provides quality calibration documentation, tracking and recall for every instrument we calibrate.