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Semivolatile Organic Compounds in Air

SVOCs in Air: PAH Analysis (Alkylated PAHs, HPAHs & PAHs in Air)

Alpha offers EPA Method TO-13A analysis for PAHs in air monitoring programs and has extensive experience providing this analysis for conducting fence-line monitoring during site remediation for MGP and other types of sites. When Method TO-13 is used, low recoveries for naphthalene are typical, XAD-2 should be included in the PUFs to reduce losses. If Naphthalene is the risk driver for PAH’s then TO-15 can be considered.

TO-13A can be run with high or modified for low volume mode depending on the data needs. PAHs that are typically reported may be present in particulate & vapor phases. Consideration should be given to the data objectives when setting up the sampling program. Reporting limits are a function of volume collected. High volume samplers typically will collect >300 M3.

In addition to full scan Method TO-13 PAHs, Alpha offers a SIM product to further lower the reporting limits. We have also developed a SVOC (SW-846 8270C Type ) list which includes compounds that maybe of concern where remediation is active.

It is important to use a sorbent media chain of custody form when submitting samples. PUFs are supplied cleaned certified. After sample collection, the sample should be sealed up in the same shipping container, cooled to <4 degrees Celsius and shipped in a cooler.

In New York, the New York State Department of Health (NYSDOH) has published a MGP marker list.  Alpha Analytical offers both the PAHs & VOCs identified in NYSDOH vapor intrusion guidance. These include:

  • Thiophenes: thiophene, methylthiophene, ethyl thiophene, benzothiophene
  • Alkyl-substituted benzenes: 1,2,3-trimethylbenzene, 1,2,4,5-tetramethylbenzene
  • Aromatics: indane, indene, naphthalene, 1-methylnaphthalene, 2-methylnaphthalene

Contact Alpha Analytical today for your upcoming Air Testing project.

Call 800-624-9220 and speak with one of our technical experts or email us at .

 


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