Engine Water Sample Testing for MH-65E aircraft

The purpose of Amendment 02 is to add Appendix A to Attachment 2 - Statement of Work – 70Z03826QB0000147 and to answer the following questions:

QUESTION: Should laboratories expect untreated aqueous engine-wash water, or could samples contain oil, fuel, coolant, bilge water, suspended material or multiple phases?

ANSWER: The laboratory should expect water samples taken from a local source, i.e. county, city, etc. that has been passed through a filtered system.

QUESTION: Are there required method detection limits or reporting limits for appearance, chloride, sulfate, sodium, hardness, conductivity at 25°C, pH and dry residue/total dissolved solids?