Nano and Other Emerging Chemical Technologies Blog

Nano and Other Emerging Chemical Technologies Blog

Regulatory & legal developments involving nano and other emerging chemical technologies

Tag Archives: TLV

ACGIH® Will Not Proceed with TLV® for Carbon Nanotubes in 2019

Posted in Legal/Regulatory Issues, Occupational Health and Safety Issues, United States
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 TLV®-CS Committee had selected carbon… Continue Reading

ACGIH® TLV®-CS Committee Seeks Information on Carbon Nanotubes

Posted in Legal/Regulatory Issues, Occupational Health and Safety Issues, United States
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 for development of a threshold limit value… Continue Reading

ACGIH® TLV®-CS Committee Studying Nanoscale Primary Particle Notation

Posted in Legal/Regulatory Issues, United States
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 as “notification and invitation to interested… Continue Reading