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            "text": "Why a Data-Center Mechanical Hum May Require Specific Investigation",
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            "text": "A continuous mechanical sound has different characteristics from aircraft flyovers, traffic, trains, or construction. A data-center acoustic environment may be continuous, contain low-frequency components, contain tonal components from fans/motors/pumps/compressors/electrical equipment, persist overnight, and be difficult for nearby residents to escape."
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            "text": "Recommended Acoustic Assessment",
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                    "text": "Measurement",
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                    "text": "Why it matters",
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                    "text": "Average sound exposure",
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                    "text": "Peak events",
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                    "text": "L10/L90",
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                    "text": "Background versus intermittent sound",
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                    "text": "1/3-octave bands",
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                    "text": "Identifies frequency distribution",
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                    "text": "Low-frequency noise",
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                    "text": "Relevant to mechanical systems",
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                    "text": "Fans/motors may create distinctive tones",
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                    "text": "Essential for determining project-attributable change",
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            "text": "There is substantial scientific evidence that chronic environmental noise can affect children's sleep, stress physiology, cognition, attention, learning, and well-being. However, direct epidemiological evidence specifically examining children chronically exposed to low-frequency mechanical noise from hyperscale data centers is presently limited. This evidence gap should not be interpreted as evidence of no risk; rather, it establishes a need for site-specific acoustic characterization, exposure modeling, baseline monitoring, and post-construction noise surveillance."
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            "text": "Key Sources for a Position Paper",
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                    "text": "Fernández-Quezada et al. (2025) — systematic review/meta-analysis of noise and cognition in children/adolescents.",
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            "text": "Chronic Environmental Noise — Infants and Children",
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            "text": "Page 4",
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            "text": "Page 31 of 113",
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