<< Back to Chemical Sampling Information

Chemical Sampling Information (CSI)
Search (use word(s)/phrase)
Table of Contents
By Name
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

By CAS Number
Quick Links
General Description

Synonyms: (1)TSCA

OSHA IMIS Code Number: S122

Chemical Abstracts Service (CAS) Registry Number: 61790-53-2

Chemical Description and Physical Properties:

A soft siliceous solid composed of skeletons of small prehistoric aquatic plants. Contains primarily silica.

Exposure Limits

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 6 mg/m3 TWA

Health Factors

International Agency for Research on Cancer (IARC): Silica - Group 3, not classifiable as to its carcinogenicity to + humans (Amorphous Silica)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • See IMIS 9050, Silica, amorphous, Precipitated and Gel

** All Trademarks are the property of their respective owners.