Vost charcoal specification study

摘要

The volatile organic sampling train (VOST) metodology incorporates SW-846 sampling Method 0030 and Sw-846 analtical Method 5040 or 5041. VOST is currently one the leading methodology's avaliable for the sampling and analysis of volatile principal organic hazardous constituents (POHCs) and products of incomplete combustion (PICs) from stationary sources at very low levels. However, revisons to the original method are necessary to maintain VOST as a viable regulatory tool. Method 0030 states that the VOST sampling tube set must consit of a front tube containing Tenax (a 2, 6-diphenylene oxide polymer) and a rear tube containing sequential bed of STenax and SKC Lot 104 petroleum-based charcoal "or equivalent."