SKC OSHA/NIOSH/ASTM Air Sampling Guide for Zinc chromate (CR(VI))

Chemical Hazard	CAS. No.
Zinc chromate (CR(VI))	13530-65-9
Sampling Methodology	Chemical Fact File
OSHA ID 215 (V2)	1439

Sampling Paramenters
Agency Standards (ppm)	Volume	Rate	Time
TWA  0.005 mg/m3	960  L	2000  ml/min	8  hrs

Analytical Method

IC-UV — Ion Chromatography -Ultraviolet Detector

SKC Sampling Equipment

Preloaded Filter Cassette   225-802

Filter Cassette and Cyclone Holder   225-1

Air Sampling Pump AirChek XR5000 210-5001

Footnotes

For sampling in Chromium plating operations, PVC filters (225-802) require special treatment after receipt at the laboratory. Alternatively quartz fiber filters (225-1827) treated with NaOH may be used. Refer to the method for details.

Limit of Detection

0.94 ng/sample (0.98 ng/m3)

Note: The policies of the AIHA laboratory accreditation committee require that method detection limits must be established and statistically verified for each method by the laboratory. Whenever there is a change in methodology or instrumentation, detection limits must be reestablished. Detection limits posted here are for reference only. (See the AIHA quality manual, published July 1997.)

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