It is recommended to add TANDEMOL ADDITIVE 3524 before a pump in operation to ensure maximum recovery and optimum performance. For detailed methods of product and emulsion analysis, contact your Total technical representative. After the addition of TANDEMOL ADDITIVE 3524 any skimming device should be kept switched off for at least 4 hours. Treatment level depends upon emulsion conditions and performance and is determined on the basis of emulsion volume and concentration.