Chemical Sampling Information
Silica, Amorphous, Diatomaceous Earth (<1% Crystalline Silica)
Chemical Sampling Information - Table of Contents Chemical Sampling Information - Table of Contents
  Field Definitions
 Analytical Methods
 Health Guidelines
General Description

NAME: Silica, Amorphous, Diatomaceous Earth (<1% Crystalline Silica)

SYNONYM(s): (1)TSCA

IMIS: S122

CAS: 61790-53-2

DESCRIPTION:

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

Exposure Limits

NIOSH REL: 6 mg/m3 TWA

Health Factors

IARC: Silica - Group 3, not classifiable as to its carcinogenicity to + humans (Amorphous Silica)

Monitoring

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

See Silica, amorphous, Precipitated and Gel

Chemical Sampling Information - Table of Contents Chemical Sampling Information - Table of Contents
Revision Date: 01/15/1993
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