At the time of writing this blog, Cincinnati is experiencing our usual 17-year brood of cicadas. Millions, if not billions, of 17-year cicadas have emerged in Cincinnati and Southwest Ohio, making spending any amount of time outside unbearable. My four-year-old\u2019s favorite part of the day is swinging on the back porch, and he even wants to go right back inside after just a few minutes.<\/p>\n
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<\/a><\/figure>\n<\/div>\nI stuck the EXAIR 9104 Digital Sound Level Meter<\/a> inside of one of our bushes here at the office. Within a 3\u2032 radius, I counted 10\u201315 cicadas crawling around pretty casually. And they were producing a whopping 90 dBA! And if i shook a branch and really got them worked up, it peeked over 101 dBA. <\/p>\n Now while it takes repeated exposures of sufficient duration to cause hearing loss. And in a few weeks these cicadas will be gone; you probably don\u2019t need to worry about the 2025 cicadas affecting your hearing. Noise exposure is, however, a real issue for most manufacturing facilities. Due to this risk, OSHA strictly enforces standard\u00a029 CFR-1910.95(a)<\/a>.<\/p>\n This directive outlines the effects of noise and limits exposure based on the dBA. The table below indicates the maximum allowable exposure time to different noise levels. Sound levels that exceed these levels should first be addressed by proper engineering controls, such as isolating the source of the sound from personnel or replacing the cause of the sound with something like an engineered compressed air nozzle. When such controls aren\u2019t feasible, proper PPE must be worn to protect the operator.<\/p>\n Hearing loss can occur in as little as 30 minutes when exposed to sound levels of 110 dBA or greater. Operators have a tendency not to use PPE as directed. If an OSHA inspector comes to your facility and notices that the sound levels exceed the maximum allowable level without PPE protection being worn, hefty fines will soon be following. In\u00a0this example<\/a>\u00a0from the United States Department of Labor, a company was fined a total of $143,000 for failing to protect their employees.<\/p>\n In order to identify the places or processes in your facility that are causing the problems, you\u2019ll need a tool to measure the sound level.\u00a0EXAIR\u2019s<\/a>\u00a0easy-to-use\u00a0Digital Sound Level Meter\u00a0<\/a>allows you to measure and monitor the sound level pressure in a wide variety of industrial environments. The source of the loud noise can then be identified and isolated so that corrective action can be taken. For compressed air-related noise, EXAIR manufactures a wide variety of engineered compressed air products that can reduce the sound level dramatically. In many cases, EXAIR products are capable of reducing noise levels by as much as 10 dBA. Since the dBA scale is logarithmic, this equates to cutting the sound level in half!<\/p>\n If there are processes within your facility that are above these limits, and you\u2019d like to eliminate relying on proper PPE,\u00a0give an Application Engineer a call<\/a>. We\u2019ll help walk you through the selection process and make sure that when the OSHA inspector comes knocking you\u2019re prepared! Sorry, but we will not be able to help you with your Cicada problems. We just have to let nature do its thing, and they will be gone in a few weeks. Until 2027, that is, when we get hit with the 10-year brood! <\/p>\n Jordan Shouse, CCASS<\/p>\n Application Engineer<\/p>\n Send me an\u00a0email<\/a><\/a><\/a><\/figure>\n<\/a><\/figure>\n
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