ABSTRACT
TLVs as possible? 156 Does the labelling on packages of chemicals provide informa-
tion on the nature of any hazard due to the contents? 157 Can the source be removed? 158 Can releases from the source be reduced? 159 Can the source be isolated? 160 Are chemical substances extracted directly at the source? 161 Is the air exhaust system efficient? 162 Has attention been paid to climate at workplaces where
exhaust and ventilation are used? 163 Are sufficient air changes provided? 164 Are organizational measures possible? 165 Is personal protective equipment available? 166 Are dust masks used only as protection against coarse dust? 167 Are protective clothing and gloves available if necessary? 168 Is attention paid to personal hygiene?
