SKC Passive Sampling Guide for Octamethylcyclotetrasiloxane (D4)
Chemical Hazard
Octamethylcyclotetrasiloxane (D4)
CAS. No.
556-67-2
Agency Standards OSHA TWA (ppm)
10 *
ACGIH TLV (ppm)
Sampling Parameters
Sampling Rate (ml/min) |
Minimum Sampling Time (min) |
Maximum Sampling Time (hrs) |
|---|---|---|
|
6.32 |
15 |
8 |
Analytical Method
GC-FID
Desorption Efficiency %
97.2
Desorption Solvent
10:90 Acetone:Carbon Disulfide (2 ml)
SKC Sampling Equipment
Passive Sampler:575-001
Validation Type
PartialPassed NIOSH protocol for sampling rate, desorption efficiency, and storage stability.
Research Report
Footnotes
* OARS- WEEL TWA Level (Occupational Alliance for Risk Science - Workplace Environmental Exposure Levels®This SKC Air Sampling guide is a reference only to assist users in finding the method, sampling equipment, and sampling media for a specific compound. This publication is intended for general information only and should not be used as a substitute for reviewing applicable government regulations, equipment operating instructions, or legal standards. Users must consult the appropriate sampling method for the compound of interest before sampling. The sampling parameters shown here are suggestions based on the ranges or volume, flow, and time specified in the methods. It is the responsibility of the analyst performing the sampling and analysis steps to adjust the parameters so that the required detection limits can be obtained. The information contained in this document should not be construed as legal advice or opinion nor as a final authority on legal or regulatory procedures.