Regulations and Advisories

Michael N. Cooper MS, MPH, CIH, NRRPT joins IHR

IHR is pleased to welcome Michael N. Cooper, MS, MPH, CIH, NRRPT to our company.  Mike earned his BS in Chemistry at UC Berkeley and masters in Public Health and masters in Chemistry from San Jose State University.  He began his career working in the aerospace industry as an analytical chemist.  Following certification in industrial hygiene, Mike has developed and directed  Environmental, Safety, and Health programs within the semiconductor, medical device, grocery, oil and gas, pharmaceutical, and foundry industries both with ... Read more

CIH/CSP Position Available

IHR is searching for an ABIH Certified Industrial Hygienist to join our team. Please see our job listing.   Read more

Tetramethyl ammonium hydroxide (TMAH)

Tetramethyl ammonium hydroxide (TMAH): Toxicity, Hazards and Controls The Semiconductor Environmental, Safety and Health Association (SESHA) conducted a webinar about this chemical, commonly used as a “developer” in the semiconductor device manufacturing industry.There are a growing number of semiconductor processing applications which propose to use TMAH at high concentrations and sometimes at elevated temperatures. Tool vendors, chemical formulators, and other semiconductor companies may not be aware of TMAH’s high acute systemic toxicity.http://seshaonline.org Read more

OSHA Hazard Communication Standard (HCS)

The OSHA Hazard Communication Standard (HCS) has been revised as of March 26, 2012 to be aligned with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). Major Changes to the OSHA Hazard Communication StandardHazard classification:  Provides specific criteria for classification of health and physical hazards, as well as classification of mixtures.Labels:  Chemical manufacturers and importers will be required to provide a label that includes a harmonized signal word, pictogram, and hazard statement for each hazard class and category.  Precautionary ... Read more