, inspecting the tubes at 3 hours and subsequently at acceptable intervals nearly 24 hrs. Test constructive and unfavorable controls at the same time With all the unidentified specimens. If no coagulation in any diploma is observed, the specimen satisfies the requirements from the test for absence of Staphylococcus aureus. Oxidase and Pigment Tests

Air cleaners (with HEPA filters) placed during the area chamber efficiently reduced the PM concentration to a considerable extent Whilst the concentrations of ions fluctuated. The purifying efficacy of equally air purifiers was enhanced within the existence of candles and incense smoke and smaller particles were being eradicated much more competent