As reported in our January 4, 2021, blog item, the American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee included carbon nanotubes on its 2021 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 nanotubes for development of a threshold limit value (TLV®). ACGIH® has now released its two-tier under...
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January 4, 2021
ACGIH® TLV®-CS Committee Seeks Information on Carbon Nanotubes
The American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee has included carbon nanotubes on its 2021 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 (TLV®). ACGIH® describes TLVs® as health-based values representing the...
As reported in our February 5, 2020, blog item, the American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee included carbon nanotubes on its 2020 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 nanotubes for development of a threshold limit value (TLV®). ACGIH® has now released...
February 5, 2020
ACGIH® TLV®-CS Committee Seeks Information on Carbon Nanotubes
The American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee has included carbon nanotubes on its 2020 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 (TLV®). ACGIH® describes TLVs® as health-based values representing the...
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 TLV®-CS Committee had selected carbon nanotubes for development of a threshold limit value (TLV®). On July 30, 2019,...
February 1, 2019
ACGIH® TLV®-CS Committee Seeks Information on Carbon Nanotubes
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 for development of a threshold limit value (TLV®). ACGIH® describes TLVs® as health-based values representing the...
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 nanotubes for development of a threshold limit value (TLV®). On July 26, 2018,...
January 31, 2018
ACGIH® TLV®-CS Committee Seeks Information on Carbon Nanotubes
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 (TLV®). ACGIH® describes TLVs® as health-based values representing the...
February 12, 2015
ACGIH® TLV®-CS Committee Studying Nanoscale Primary Particle Notation
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 parties to submit substantive data and comments to assist the...