Passive sampler

Mullen, Nasim A, Jina Li, and Brett C Singer. Participant Assisted Data Collection Methods in the California Healthy Homes Indoor Air Quality Study of 2011-13. Berkeley: Lawrence Berkeley National Laboratory, 2013.

Mullen, Nasim A, Marion L Russell, Melissa M Lunden, and Brett C Singer. "Investigation of formaldehyde and acetaldehyde sampling rate and ozone interference for passive deployment of Waters Sep-Pak XPoSure samplers." Atmospheric Environment 80 (2013) 184–189.

Singer, Brett C, Alfred T Hodgson, Toshifumi Hotchi, and James Hyungkwan Kim. "Passive measurement of nitrogen oxides to assess traffic-related pollutant exposure for the East Bay Children’s Respiratory Health Study." Atmospheric Environment 38.3 (2004) 393–403.