Osha

Description

PELb

Ethylene oxide

1 ppm

Ethylene oxide, STELa

5 ppm

Xylene

100 ppm

Formaldehyde

0.3 ppm

Carbon monoxide

50 ppm

Smoke-check

Source: Cole-Parmer Instrument Co.

Notes: aShort-term exposure limits for 15-min exposure; all others require 8

Source: Cole-Parmer Instrument Co.

Notes: aShort-term exposure limits for 15-min exposure; all others require 8

bOSHA permissible exposure levels.

ing. The testor simply opens the detector tube, inserts it into the tube holder, and pulls a predetermined amount of sample air through the CDT. The color progression on the packed adsorption bed indicates the concentration of a particular toxic gas. Disposable CDTs are inexpensive, and some 250 different tubes are available. Table 5.29.4 lists some of the available tubes.

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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