WHEN YOU ARE REQUIRED TO USE THE UNIFORM HAZARDOUS WASTE. MANIFEST FOR HAZARDOUS WASTE, LIQUID INDUSTRIAL WASTE, AND. POLYCHLORINATED BIPHENYL SHIPMENTS. Federal and state regulations require generators, transporters of hazardous waste, and owners or.
With ground coupled systems water is taken from the ground or surface water (pond, lake, etc.), circulated to the individual heat pumps and the returned to the ground. With refrigerant loop systems a refrigerant such as R-22 is substituted for the water.
How to add or replace refrigerant in an air conditioner or heat pump. 1  REFRIGERANT CHARGING PROCEDURE-CONTENTS: Refrigerant charging procedures for air conditioners, heat pumps, refrigeration equipment using a test gauge set and charging cylinder or scale.