Get a plain-English read of (d) foam concentrate purity;

Turn the raw legal text into a practical explanation grounded in Manual of Standards Part 139H - Standards Applicable to the Provision of Aerodrome Rescue and Fire Fighting Services.

Chapter 8: Test Equipment Performance Criteria

CASR Reference:	Regulation 139.825

Section 8.1: General

8.1.1 Standard: Test Equipment for Operational Equipment

8.1.1.1 The necessary test equipment must be available and be regularly calibrated to ensure accuracy of measurement/weight for all operational equipment.

8.1.1.2 The findings must be recorded and maintained as per Chapter 28 of this Manual.

8.1.1.3 Documentation and performance test criteria must be available for each piece of operational equipment.

8.1.1.4 Facilities that require testing are listed below (this is not a comprehensive list):

(a) vehicle acceleration tests for response times;

(b) breathing apparatus compressor recharging equipment (where installed);

(c) discharge of foam output and quality;

(d) foam concentrate purity;

(e) operational hose;

(f) hydrant flow and pressure;

(g) vehicle pump performance;

(h) communication equipment;

(i) pressure cylinders/vessels and high pressure hoses.

Note: Should there be no Australian Standard (AS), other recognised International Standards will apply.

8.1.1.5 The above list is not a comprehensive list. All testing must be carried out in accordance with AS, State or Federal Government requirements. If there is a conflict, whichever requirement is the most stringent must apply.