Grimm Technologies, Inc. USA received EPA Approval for the Model EDM 180

The US EPA office has completed its evaluation of the information that you submitted for the above equivalent method application. Based on the technical review of the information submitted, the Process Modeling Research Branch of the U.S. EPA’s National Exposure Research Laboratory has determined that the associated candidate method has been shown to reasonably satisfy all applicable requirements for designation as a Class III equivalent method for measuring mass concentrations of PM2.5 in ambient air. Accordingly, the method has been recommended for equivalent method designation to the Director of the National Exposure Research Laboratory. Please note that the method will not be considered as a U.S. EPA-designated equivalent method until an official Notice of Designation has been authorized by the Director and has been published in the U.S. Federal Register. I will notify you in writing when the Notice is published. You may watch for the Notice publication at http://www.regulations.gov.

Grimm Technologies, Inc. Model EDM 180 PM2.5 Monitor
Automated Equivalent Method: EQPM-0311-195 “Grimm Technologies, Inc. Model EDM 180 PM2.5 Monitor,” light scattering continuous ambient particulate monitor operated for 24 hours at a volumetric flow rate of 1.2 L/min, configured with a Nafion®-type air sample dryer, and operating with software model 1.177 version 3.30 or later and firmware version 7.80 or later, in accordance with the Grimm Technologies, Inc. Model EDM 180 Operation and Instruction Manual. Approval given by the Acting Manager, Reference and Equivalent Methods Program US EPA.

Our Grimm-Spektrometer-Software is now available in version 2.1