TCVN 6504-1999
Air quality.Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy.Membrane filter method

Standard No.

TCVN 6504-1999

Release Date

2008

Published By

VN-TCVN

Latest

TCVN 6504-1999

TCVN 6504-1999 history

• 2008 TCVN 6504-1999 Air quality.Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy.Membrane filter method