Weban estimate for the concentration of PAHs by comparison with a PAH standard. 1.2 Using the test kit from which this method was developed, > 95% of samples confirmed ... negative soil matrices (PAH-116 and PAH-141 are field samples). The soils were spiked usin g detectio n limits established for each compound (see Table 1), extracted and ... WebDec 29, 2024 · The aim of this paper is the presentation of the current state-of-the-art about the determination of polycyclic aromatic hydrocarbons (PAHs) and their oxidized forms originating from Suspended Particulate Matter (SPM) samples. The influence of SPM on health is twofold. SPM, as composed of small particles, is dangerous for the respiratory …
Polycyclic aromatic hydrocarbons: soil pollution and remediation
WebApr 8, 2024 · According to the standard value of 33 μg·kg-1 of ΣTEQ BaP for 10 PAHs in the soil environmental standard of Netherland, 45.8% of soil samples exceeded the standard in Yangzhou City. The percentages of soil samples exceeding the standard of various functional zones in Yangzhou City were in the order of industrial area (70%) > gas station … WebThe OSHA PEL for PAHs in the workplace is 0.2 milligram/cubic meter (mg/m 3). The OSHA-mandated PAH workroom air standard is an 8–hour time-weighted average (TWA) … text slang for whatever
Frontiers Cancer Risk Levels for Sediment- and Soil-Bound …
Webdetermination of sixteen polycyclic aromatic hydrocarbons (PAHs) in soil. The ana - lyzed PAHs include naphthalene (Nap), acenaphthylene (Acy), acenaphthene (Ace), ... ranged … WebApr 12, 2024 · The TOC was found to be an important factor affecting the distribution of PAHs in agricultural soils. The soil mass inventories of ∑ 16 PAHs and ∑ 15 NPAHs were estimated to be 31.7 and 2.55 metric tons with the high mass inventory of 4-ring PAHs (up to 12.0 metric tons). The present study also explored the possible sources of NPAHs and ... As shown in Table 1, according to the screening value of soil pollution risk in the standard for construction land (GB36600-2024), the value of BaP at sampling point 3 of Zhiwu Park in the soil of the park in summer is 0.944 mg/kg, which is greater than the screening value of 0.55 mg/kg. The values of DahN at … See more According to the number of rings in PAHs, the 16 types of PAHs are divided into 2–3 low-ring aromatic hydrocarbons (LMW) and 4–6 high-cyclic aromatic hydrocarbons … See more The feature ratio method is often used to identify the source of PAHs in the environment32,33. LMW/HMW > 1 represents the crude oil source, LMW/HMW < 1 represents high-temperature pyrolysis; … See more Table 3 displays the toxic equivalent concentrations of PAHs in the soil of parks in Urumqi. The TEQ range of PAHs in the summer soil of the … See more swx rom