<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference xmlns:xt="urn:xpressauthor:trackchanges" graph="None" id="_56d7dd23-bd8d-49dd-8166-2ded6b3e42e1"><num>F6V2</num><title id="_f7b35708-5173-41a6-a127-92fbdacdd27b">Maximum carbon monoxide exposure for carparks</title><table id="_f94d1251-394e-453a-a43e-f4184e36e6fa" keycol="1"><tgroup cols="2"><colspec colname="001" colnum="1" colwidth="216.00*"/><colspec colname="002" colnum="2" colwidth="216.00*"/><thead><row><entry>Concentration (ppm)</entry><entry>Total exposure duration per day</entry></row></thead><tbody><row><entry>100</entry><entry>Not to be exceeded</entry></row><row><entry>90</entry><entry>15 minutes</entry></row><row><entry>60</entry><entry>1 hour</entry></row><row><entry>30</entry><entry>8 hours</entry></row></tbody></tgroup></table><desc-note id="_f031ea6e-ada6-4e2c-a490-acae16e7b44a"><p>Various government work health and safety regulations specify workplace exposure limits for airborne contaminants in the workplace.</p></desc-note></table-reference>