Forum » NC-v4 EQc4
| Topic | Recent |
|---|---|
Indoor air quality test methodsNC-v4 EQc4: Indoor air quality assessmentposted by Tyler Zhu on Feb 11, 2015, 12:58 am
From my understanding, in order to pass the test for PM2.5 and PM10, EPA Compendium Method IP-10 has to be used. However, the current PM2.5 and PM10 monitors are all based on the new laser... Last reply: Courtenay Griffin, Feb 11, 2015, 2:18 pm |
|
Sampling LocationsNC-v4 EQc4: Indoor air quality assessmentposted by Courtenay Griffin on Aug 28, 2014, 12:18 pmme privately. I am not sure you can discuss pricing in a public forum. However, I will say I am very competitive and have an expedited 4 day turnaround. I hope all this ranting helps. Log... Last reply: Courtenay Griffin, Sep 5, 2014, 9:51 am |
|
Maximum allowable concentration of formaldehyde and other VOCsNC-v4 EQc4: Indoor air quality assessmentposted by Youyou Xiong on May 5, 2014, 12:11 pm
Table 1 listed the maximum allowable concentrations for target chemicals but except formaldehyde. Why is formaldehyde an exception? Where is the 27 ppb from? The maximum allowable concentrations... Last reply: Youyou Xiong, May 7, 2014, 10:08 am |
