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Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer
… � � � � � � � � � � � � � � � � 239 Decisions on critical-use exemptions�� � � � � � � � � � � � � � � � � � � � � � � … ………………. Freezers ………………. Dehumidifiers ………………. Water coolers ………………. Ice machines ………………. Air conditioning … Testing of oil, grease and total petroleum hydrocarbons in water; (b) Testing of tar in road-paving materials; and (c) …