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// CODE SNIPPET

A5.504.2.1.1 Maximum Levels of Contaminants

Los Angeles Green Building Code > A5 Nonresidential Voluntary Measures > A5.504 Pollutant Control > A5.504.2 IAQ Postconstruction > A5.504.2.1 IAQ Testing > A5.504.2.1.1 Maximum Levels of Contaminants
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Allowable levels of contaminant concentrations measured by testing shall not exceed the following:

  1. Carbon Monoxide (CO): 9 parts per million, not to exceed outdoor levels by 2 parts per million;
  2. Formaldehyde: 27 parts per billion;
  3. Particulates (PM10): 50 micrograms per cubic meter;
  4. 4-Phenylcyclohexene (4-PCH), if fabrics and carpets with styrene butadiene rubber (SBR) latex backing, are installed: 6.5 micrograms per cubic meter; and
  5. Total Volatile Organic Compounds (TVOC): 300 micrograms per cubic meter.

Related Code Sections


A5.504.2.1.1 Nonresidential Voluntary Measures, Maximum Levels of Contaminants
Allowable levels of contaminant concentrations measured by testing shall not exceed the following: Carbon Monoxide (CO): 9 parts per million ...
Los Angeles Green Building Code > A5 Nonresidential Voluntary Measures > A5.504 Pollutant Control > A5.504.2 IAQ Postconstruction > A5.504.2.1 IAQ Testing > A5.504.2.1.1 Maximum Levels of Contaminants
A5.504.2.1.1 Nonresidential Voluntary Measures, Maximum Levels of Contaminants
Allowable levels of contaminant concentrations measured by testing shall not exceed the following: Carbon Monoxide (CO): 9 parts per million ...
Los Angeles Green Building Code > A5 Nonresidential Voluntary Measures > A5.504 Pollutant Control > A5.504.2 IAQ Postconstruction > A5.504.2.1 IAQ Testing > A5.504.2.1.1 Maximum Levels of Contaminants
6204.1.9 Organic Peroxides, Contamination
Organic peroxides shall be stored in their original DOTn shipping containers. Organic peroxides shall be stored in a manner to prevent contamination ...
2017 LA City Fire Code > 62 Organic Peroxides > 6204 Storage > 6204.1 Indoor Storage > 6204.1.9 Contamination
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2017 LA City Fire Code > 63 Oxidizers, Oxidizing Gases and Oxidizing Cryogenic Fluids > 6304 Storage > 6304.1 Indoor Storage > 6304.1.7 Contamination
1203.5.2 Interior Environment, Contaminants Exhausted
Contaminant sources in naturally ventilated spaces shall be removed in accordance with the California Mechanical Code and the California Fire Code ...
Los Angeles Building Code > 12 Interior Environment > 1203 Ventilation > 1203.5 Natural Ventilation > 1203.5.2 Contaminants Exhausted
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