Suppose there is a TV in the scene, and the TV screen is in full view (within the camera frame or view). Technically, the person on the TV screen is at the scene location since the TV is at the scene location. Thus, the character that we see speaking on TV is like any other character in the room. Since we see him speaking, his speech is normal dialogue without any special notation. Biasioli, Franco; Yeretzian, Chahan; Märk, Tilmann D.; Dewulf, Jeroen; Van Langenhove, Herman (2011). "Direct-injection mass spectrometry adds the time dimension to (B)VOC analysis". Trends in Analytical Chemistry. 30 (7): 1003–1017. doi: 10.1016/j.trac.2011.04.005. Limonene, a common biogenic VOC, is emitted into the atmosphere primarily by trees which grow in coniferous forests. Solvents used in coatings, paints, and inks. Approximately 12 billion litres of paint are produced annually. Typical solvents include aliphatic hydrocarbons, ethyl acetate, glycol ethers, and acetone. Motivated by cost, environmental concerns, and regulation, the paint and coating industries are increasingly shifting toward aqueous solvents. [31]

Behr, Arno; Johnen, Leif (2009). "Myrcene as a Natural Base Chemical in Sustainable Chemistry: A Critical Review". ChemSusChem. 2 (12): 1072–95. doi: 10.1002/cssc.200900186. PMID 20013989. a b Praveen Paul Joseph (19 February 2011). "Fitting Tribute to V.O.C." The Hindu. Archived from the original on 25 January 2013 . Retrieved 26 February 2017. While null in comparison to the concentrations found in indoor air, benzene, toluene, and methyl tert-butyl ether (MTBE) were found in samples of human milk and increase the concentrations of VOCs that we are exposed to throughout the day. [54] A study notes the difference between VOCs in alveolar breath and inspired air suggesting that VOCs are ingested, metabolized, and excreted via the extra-pulmonary pathway. [55] VOCs are also ingested by drinking water in varying concentrations. Some VOC concentrations were over the EPA’s National Primary Drinking Water Regulations and China’s National Drinking Water Standards set by the Ministry of Ecology and Environment. [56] Dermal absorption [ edit ] Biogenic volatile organic compounds (BVOCs) encompass VOCs emitted by plants, animals, or microorganisms, and while extremely diverse, are most commonly terpenoids, alcohols, and carbonyls (methane and carbon monoxide are generally not considered). [21] Not counting methane, biological sources emit an estimated 760 teragrams of carbon per year in the form of VOCs. [20] The majority of VOCs are produced by plants, the main compound being isoprene. Small amounts of VOCs are produced by animals and microbes. [22] Many VOCs are considered secondary metabolites, which often help organisms in defense, such as plant defense against herbivory. The strong odor emitted by many plants consists of green leaf volatiles, a subset of VOCs. Although intended for nearby organisms to detect and respond to, these volatiles can be detected and communicated through wireless electronic transmission, by embedding nanosensors and infrared transmitters into the plant materials themselves. [23]In the 1890s and 1900s India's independence movement and the Swadeshi movement, which confirms the politic parcel initiated by Bal Gangadhar Tilak and Lala Lajpat Rai of the Indian National Congress (INC), were at their peak. From 1892 Chidambaram Pillai was influenced by Tilak Maharaj and became his disciple. [5] [6] Along with Subramanya Siva and Subramanya Bharathi, he became a prominent spokesperson for the cause in the Madras Presidency. Following the partition of Bengal in 1905, Chidambaram entered politics, joining the Indian National Congress and taking a hardliner stance. He also presided at the Salem District Congress session. In most countries, a separate definition of VOCs is used with regard to indoor air quality that comprises each organic chemical compound that can be measured as follows: adsorption from air on Tenax TA, thermal desorption, gas chromatographic separation over a 100% nonpolar column ( dimethylpolysiloxane). VOC (volatile organic compounds) are all compounds that appear in the gas chromatogram between and including n-hexane and n-hexadecane. Compounds appearing earlier are called VVOC (very volatile organic compounds); compounds appearing later are called SVOC (semi-volatile organic compounds). Books written by Ma. Po. Si. on V.O. Chidambaram Pillai are Kappalottiya Thamizhan (1944), Kappalottiya Chidambaranar (1972) and Thalapathy Chidambaranar (1950). a b Sindelarova, K.; Granier, C.; Bouarar, I.; Guenther, A.; Tilmes, S.; Stavrakou, T.; Müller, J.-F.; Kuhn, U.; Stefani, P.; Knorr, W. (2014). "Global data set of biogenic VOC emissions calculated by the MEGAN model over the last 30 years". Atmospheric Chemistry and Physics. 14 (17): 9317–9341. Bibcode: 2014ACP....14.9317S. doi: 10.5194/acp-14-9317-2014.

J. Kesselmeier; M. Staudt (1999). "Biogenic Volatile Organic Compounds (VOC): An Overview on Emission, Physiology and Ecology". Journal of Atmospheric Chemistry. 33 (1): 23–88. Bibcode: 1999JAtC...33...23K. doi: 10.1023/A:1006127516791. S2CID 94021819. In 1920, Chidambaram quit the Indian National Congress, citing ideological differences with Mahatma Gandhi. He focused his efforts on establishing labor unions in Madras and on writing. The People's Republic of China defines a VOC as those compounds that have "originated from automobiles, industrial production and civilian use, burning of all types of fuels, storage and transportation of oils, fitment finish, coating for furniture and machines, cooking oil fume and fine particles (PM 2.5)", and similar sources. [10] The Three-Year Action Plan for Winning the Blue Sky Defence War released by the State Council in July 2018 creates an action plan to reduce 2015 VOC emissions 10% by 2020. [11] India [ edit ]Health effects include eye, nose, and throat irritation; headaches, loss of coordination, nausea; and damage to the liver, kidney, and central nervous system. [51] Some organics can cause cancer in animals; some are suspected or known to cause cancer in humans. Key signs or symptoms associated with exposure to VOCs include conjunctival irritation, nose and throat discomfort, headache, allergic skin reaction, dyspnea, declines in serum cholinesterase levels, nausea, vomiting, nose bleeding, fatigue, dizziness. [52] Carroll, Gregory T.; Kirschman, David L. (2022-12-20). "A Peripherally Located Air Recirculation Device Containing an Activated Carbon Filter Reduces VOC Levels in a Simulated Operating Room". ACS Omega. 7 (50): 46640–46645. doi: 10.1021/acsomega.2c05570. ISSN 2470-1343. PMC 9774396. PMID 36570243.