Legacy persistent organochlorine pollutants and polycyclic aromatic hydrocarbons in the surface soil from the industrial corridor of South India: occurrence, sources and risk assessment

Review of scientific literature on available methods of assessing organochlorine pesticides in the environment

“…The total time for each analysis was 20.75 min” [ 15 ] Soil 8 DL: 0.002–0.05 QL: 0.158–0.169 80 to 110 5–10 GC-ECD: “The oven temperature of gas chromatography was set to start at 120 °C for 1 min, ramped to 240 °C at the rate of 7 °C/min and held for 5 min. RT: 9.07–16.912 min” [ 155 ] Soil 10 50–120 GC-ECD: “initial oven temperature was 100 °C (equilibrium time 1 min), raised to 200 °C at a rate of 4 °C·min −1 , then increased to 230 °C at 2 °C·min −1 , then raised to 280 °C at 8 °C·min −1 and held for 15 min” [ 156 ] Soil 14 0.01 81–118 GC-MS [ 157 ] Soil 0.03–0.20 90.1–93.7 GC-MS: Splitless, “the initial oven temperature was maintained at 100 °C for 2 min, ramp to 180 °C at a rate of 15 °C/min and then raises to 300 °C at a flow rate of 3 °C/min and held for 9 min” [ 158 ] Soil OCPs (23), CUPs(24) 0.001–7.83 0.003–26.1 Procedural blank: 70-130 Spiked blank: 71.3–126 <20 GC-TQ-MS: Splitless, “held in 1 min at 60 °C, then ramped to 120 °C at the rate of 40 °C/min, and finally up to 310 °C with 5 °C/min and held for 3 min” [ 83 ] Soil 8 4–10 2.4–32 75–10 0.1–4.2 GC-MS: “The temperature of 80 °C lasted for 2 min, then raised to 210 °C (10 °C/min), and remained constant for 10 min, and further raised to 25...…”