In connection with the environment and health, Poly Steel Pipe and fittings have pass the test under US EPA 3540C method, a test method for Polychlorinted Biphenyls (PCBs) in Water, conducted by SGS Taiwan Ltd. Below are the test results:

In connection with the cleanliness, Poly Steel Pipe passes all the tests under standard of BS6920 Part I, one of the most stringent standards on cleanliness of water pipe, conducted by SIRIM. The test result shows that:

Appearance of Water

Poly Steel Pipe passes all the tests on water quality:
i) Taste
ii) Odor
iii) Color change

Growth of Aquatic Microorganisms

Below are the test results of aquatic microorganisms growth after fifth, seventh and nineth week.