Environmental Testing

Environmental Testing
GasMedix specializes in trace gas testing, air exchange and differential pressure testing per applicable AIA guidelines.

OSHA Federal Register,
Section 1910.1000, 1910.1550, JCAHO: EC 1.5

Ethylene Oxide

OSHA:29 CFR 1910.1047,
29 CFR 1910.134[b],[d],[e] and [f].

Laboratory Gases

OSHA: CFR 1910.1000, 1910.1048
and 1910.134 [b], [d], [e] and [f].

Acceptable OSHA Permissible Exposure Limits (in parts per million)

Ethylene Oxide 1.0 5.0 1.0 TWA
Formaldehyde 0.75 2.0 0.3 STEL
Glutaraldehyde N/A 0.2 0.2 STEL
Acetic Acid 10.0 15.0 10.0
Xylene 100 150 150 STEL


TWA – Time Weighted Average to the employee’s average airborne exposure in any 8-hour workshift of a 40-hour work week which shall not be exceeded.

STEL – Short Term Exposure Limit.  The employees 15 minute time weighted average exposure that shall not be exceeded during any part of a work day.

TLV – Threshold Limit Value. The concentration to which it is believed that nearly all workers may be repeatedly exposed day after day without adverse affect.

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