Specifications include, but are not limited to: Check in with customer security or management as required when entering customer site. Proceed to undertake the following minimum field testing on systems(s): makeup water - conductivity, calcium hardness, total alkalinity each cooling tower system – conductivity, inhibitor level, calcium hardness, total alkalinity, turbidity, and ATP each closed loop – conductivity, pH, inhibitor level, turbidity, and ATP Record the following data as available: cooling tower makeup and blow down meters closed loop makeup water cooling tower inlet and outlet temperatures if HVAC, chiller condenser inlet and outlet water temperatures, outlet Freon temperature conductivity blow down controller reading other water test/control equipment; pH meter, ORP meter, turbidity meter, etc.