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>纳米技术专栏>Bergeson和坎贝尔,P.C.>ACGIH� Will Not Proceed with TLV� for Carbon Nanotubes in 2021

vwin徳赢官网林恩L. Bergeson
常务董事
Bergeson和坎贝尔,P.C.

抽象:
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.

2020年7月28日

ACGIH� Will Not Proceed with TLV� for Carbon Nanotubes in 2021

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. Seehttps://nanotech.lawbc.com/2020/02/acgih-tlv-cs-committee-seeks-information-on-carbon-nanotubes-3/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 study list. Seehttps://www.acgih.org/tlv-bei-guidelines/documentation-publications-and-data/under-study-list/chemical-substances-and-other-issues-under-study-tlv1只列出可向前移动的预期变化(NIC)或意向建立(NIE)在新的一年通知的通知的化学物质和物理因素的基础上,他们在发展过程中的地位。第2层是由那些不会前进的化学物质和物理因素,但要么留在或从正在研究名单明年去除。碳纳米管计入一级2.如果碳纳米管包括所研究列表中的2021,利益相关者将有机会提出实质性的数据和意见。

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