As reported in our February 1, 2019, blog item, the American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee included carbon nanotubes on its 2019 list of chemical substances and other issues under study.  Being placed on the under study list indicated that the

The American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee has included carbon nanotubes on its 2019 list of chemical substances and other issues under study.  Being placed on the under study list indicates that the TLV®-CS Committee has selected carbon nanotubes

As reported in our January 31, 2018, blog item, the American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee included carbon nanotubes on its 2018 list of chemical substances and other issues under study.  Being placed on the under study list indicated that the

The American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee has included carbon nanotubes on its 2018 list of chemical substances and other issues under study.  Being placed on the under study list indicates that the TLV®-CS Committee has selected carbon nanotubes

On January 30, 2015, the American Conference of Governmental Industrial Hygienists (ACGIH®) announced the under study list for its Threshold Limit Values for Chemical Substances (TLV®-CS) Committee.  The under study list includes, under other issues under study, “nanoscale primary particle notation.”  According to ACGIH®, the under study list serves