[{"data":1,"prerenderedAt":847},["ShallowReactive",2],{"site-footer-common":3,"glossary:sound-attenuation-enclosure-sonic-horn":45,"glossary-related:sound-attenuation-enclosure-sonic-horn":194},{"id":4,"extension":5,"footer":6,"meta":40,"navbar":41,"stem":43,"__hash__":44},"common\u002Fcommon.yml","yml",{"tagline":7,"links":8,"sections":9},"Acoustic cleaning intelligence for industrial fouling, soot, ash, dust and build-up.",[],[10,19,31],{"title":11,"links":12},"Product",[13,16],{"label":14,"to":15},"How it works","\u002F#product",{"label":17,"to":18},"Cost assessment","\u002F#hero",{"title":20,"links":21},"Company",[22,25,28],{"label":23,"to":24},"What we build","\u002F#about",{"label":26,"to":27},"Careers","\u002F#careers",{"label":29,"to":30},"Contact","\u002F#contact",{"title":32,"links":33},"Resources",[34,37],{"label":35,"to":36},"Blog","\u002Fresources\u002Fblog",{"label":38,"to":39},"Glossary","\u002Fglossary",{},{"links":42},[],"common","YocmZRy1AYfBbpgGVms-zhdiABlF8VTxHx6h4rDmZBA",{"id":46,"title":47,"aliases":48,"body":52,"category":174,"description":175,"extension":176,"meta":177,"navigation":178,"path":179,"relatedTerms":180,"seo":185,"sources":188,"stem":192,"term":47,"__hash__":193},"glossary\u002Fglossary\u002Fsound-attenuation-enclosure-sonic-horn.md","Sound-attenuation enclosure (sonic horn)",[49,50,51],"sound enclosure","acoustic enclosure","noise-attenuation enclosure",{"type":53,"value":54,"toc":167},"minimark",[55,85,90,106,110,141,145],[56,57,58,59,63,64,69,70,74,75,79,80,84],"p",{},"A ",[60,61,62],"strong",{},"sound-attenuation enclosure"," surrounds a ",[65,66,68],"a",{"href":67},"\u002Fglossary\u002Fsonic-horn","sonic horn"," installation to reduce the external ",[65,71,73],{"href":72},"\u002Fglossary\u002Fsound-pressure-level","SPL"," experienced at the operator station, walkways and plant boundary. Typical SPL reduction is 10–25 dB depending on enclosure design — significant enough to bring exposures within ",[65,76,78],{"href":77},"\u002Fglossary\u002Fosha-29-cfr-1910-95","OSHA"," and ",[65,81,83],{"href":82},"\u002Fglossary\u002Feu-directive-2003-10-ec","EU 2003\u002F10\u002FEC"," action limits at most realistic operator distances.",[86,87,89],"h2",{"id":88},"when-enclosures-are-specified","When enclosures are specified",[91,92,93,97,100,103],"ul",{},[94,95,96],"li",{},"Sonic horns mounted close to operator-access walkways or maintenance positions",[94,98,99],{},"Multi-horn arrays where cumulative SPL exceeds the limit even at modest distance",[94,101,102],{},"Plant boundaries close to residential or commercial property",[94,104,105],{},"Indoor installations where reflection raises ambient SPL",[86,107,109],{"id":108},"trade-offs","Trade-offs",[91,111,112,118,129,135],{},[94,113,114,117],{},[60,115,116],{},"Cost"," — enclosures typically add 10–20% to the installed cost of the horn system",[94,119,120,123,124,128],{},[60,121,122],{},"Maintenance access"," — must be designed to allow routine ",[65,125,127],{"href":126},"\u002Fglossary\u002Fdiaphragm-replacement-sonic-horn","diaphragm replacement"," and inspection",[94,130,131,134],{},[60,132,133],{},"Thermal management"," — for hot-side installations, enclosure ventilation must prevent overheating of accessories",[94,136,137,140],{},[60,138,139],{},"Slight SPL reduction inside the vessel"," — usually marginal, but worth checking in marginal-coverage cases",[86,142,144],{"id":143},"related-terms","Related terms",[91,146,147,152,157,162],{},[94,148,149],{},[65,150,151],{"href":67},"Sonic horn",[94,153,154],{},[65,155,156],{"href":72},"Sound pressure level",[94,158,159],{},[65,160,161],{"href":77},"OSHA 29 CFR 1910.95",[94,163,164],{},[65,165,166],{"href":82},"EU Directive 2003\u002F10\u002FEC",{"title":168,"searchDepth":169,"depth":169,"links":170},"",2,[171,172,173],{"id":88,"depth":169,"text":89},{"id":108,"depth":169,"text":109},{"id":143,"depth":169,"text":144},"controls-ancillaries","A sound-attenuation enclosure surrounds a sonic horn installation to reduce the external SPL experienced at the operator station, walkways and plant boundary. Typical SPL reduction is 10–25 dB depending on enclosure design — significant enough to bring exposures within OSHA and EU 2003\u002F10\u002FEC action limits at most realistic operator distances.","md",{},true,"\u002Fglossary\u002Fsound-attenuation-enclosure-sonic-horn",[181,182,183,184],"sonic-horn","sound-pressure-level","osha-29-cfr-1910-95","eu-directive-2003-10-ec",{"title":186,"description":187},"Sound-attenuation enclosure — reduces sonic-horn noise at the work area","A sound-attenuation enclosure surrounds the sonic horn to reduce SPL at the operator station. Typical 10–25 dB reduction; required where horn proximity exceeds OSHA \u002F EU action levels.",[189],{"title":190,"url":191},"Wikipedia — Noise control","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNoise_control","glossary\u002Fsound-attenuation-enclosure-sonic-horn","FR-H0qOqUvf8TGgdJbftenNX1Kg25JjWSxU9992_BLY",[195,435,616,706],{"id":196,"title":151,"aliases":197,"body":201,"category":410,"description":411,"extension":176,"meta":412,"navigation":178,"path":67,"relatedTerms":413,"seo":420,"sources":423,"stem":433,"term":151,"__hash__":434},"glossary\u002Fglossary\u002Fsonic-horn.md",[198,199,200],"sonic horns","sonic cleaning horn","industrial sonic horn",{"type":53,"value":202,"toc":403},[203,235,239,247,251,318,322,359,363,371,373],[56,204,58,205,207,208,212,213,217,218,217,222,217,226,79,230,234],{},[60,206,68],{}," is a pneumatically-driven sound emitter that produces high-intensity, low-frequency sound waves — typically between 60 and 400 Hz at sound pressure levels of 140 to 180 dB — used to dislodge particulate fouling from inside industrial process equipment. Sonic horns are the most common form of ",[65,209,211],{"href":210},"\u002Fglossary\u002Facoustic-cleaner","acoustic cleaner"," and the default specification for cleaning ",[65,214,216],{"href":215},"\u002Fglossary\u002Felectrostatic-precipitator","ESPs",", ",[65,219,221],{"href":220},"\u002Fglossary\u002Ffabric-filter","baghouses",[65,223,225],{"href":224},"\u002Fglossary\u002Fselective-catalytic-reduction","SCR catalysts",[65,227,229],{"href":228},"\u002Fglossary\u002Fsuperheater","boiler heat-transfer surfaces",[65,231,233],{"href":232},"\u002Fglossary\u002Fhopper","hoppers and silos",".",[86,236,238],{"id":237},"how-a-sonic-horn-works","How a sonic horn works",[56,240,241,242,246],{},"Compressed plant air admitted through a ",[65,243,245],{"href":244},"\u002Fglossary\u002Fsolenoid-valve","solenoid valve"," drives a metal diaphragm — typically titanium or 316 stainless — into resonant oscillation at the horn's fundamental frequency. The oscillating pressure field is amplified by an exponential bell horn and projected into the vessel as a near-spherical sound wave. Particulate already deposited on internal surfaces receives an oscillating acceleration that overcomes adhesion; loosened material is then carried out with the gas flow before it can sinter, bridge or bond. Because the cleaning is acoustic and non-contact, the horn can fire while the plant is online without tube erosion, refractory damage or thermal shock.",[86,248,250],{"id":249},"key-parameters","Key parameters",[252,253,254,267],"table",{},[255,256,257],"thead",{},[258,259,260,264],"tr",{},[261,262,263],"th",{},"Parameter",[261,265,266],{},"Typical range",[268,269,270,279,286,294,302,310],"tbody",{},[258,271,272,276],{},[273,274,275],"td",{},"Fundamental frequency",[273,277,278],{},"60–400 Hz",[258,280,281,283],{},[273,282,156],{},[273,284,285],{},"140–180 dB",[258,287,288,291],{},[273,289,290],{},"Compressed-air consumption",[273,292,293],{},"8–14 Nm³\u002Fmin at 4–7 bar",[258,295,296,299],{},[273,297,298],{},"Operating temperature (with appropriate materials)",[273,300,301],{},"−40 °C to +500 °C",[258,303,304,307],{},[273,305,306],{},"Firing cycle",[273,308,309],{},"5–15 s burst, repeated every 3–15 minutes",[258,311,312,315],{},[273,313,314],{},"Mass",[273,316,317],{},"15–60 kg depending on horn size",[86,319,321],{"id":320},"frequency-selection","Frequency selection",[56,323,324,325,217,329,333,334,217,338,342,343,217,346,350,351,79,355,234],{},"Lower frequencies (60–125 Hz) project longer wavelengths and penetrate further into large open vessels — ",[65,326,328],{"href":327},"\u002Fglossary\u002Fpreheater-cyclone","preheater cyclones",[65,330,332],{"href":331},"\u002Fglossary\u002Frecovery-boiler","recovery-boiler superheaters",", large ",[65,335,337],{"href":336},"\u002Fglossary\u002Fesp-field-bus-section","ESP fields",[65,339,341],{"href":340},"\u002Fglossary\u002Fsilo","silos",". Higher frequencies (230–400 Hz) carry more energy per unit volume and suit finer dust loads in ",[65,344,345],{"href":220},"fabric-filter compartments",[65,347,349],{"href":348},"\u002Fglossary\u002Fhoneycomb-catalyst","catalyst layers"," and smaller hopper geometries. See ",[65,352,354],{"href":353},"\u002Fglossary\u002Flow-frequency-acoustic-cleaner","low-frequency acoustic cleaner",[65,356,358],{"href":357},"\u002Fglossary\u002Fhigh-frequency-acoustic-cleaner","high-frequency acoustic cleaner",[86,360,362],{"id":361},"sonic-horn-vs-steam-sootblower","Sonic horn vs steam sootblower",[56,364,365,366,370],{},"Sonic horns are increasingly specified alongside or in place of ",[65,367,369],{"href":368},"\u002Fglossary\u002Fsteam-sootblower","steam sootblowers"," because they consume no boiler-grade steam, cause no tube erosion, require almost no moving parts and can fire every few minutes without operator intervention. They are less effective on hard, fused slag than retractable steam lances, so on furnace waterwalls and high-temperature superheaters they typically complement rather than replace mechanical cleaning.",[86,372,144],{"id":143},[91,374,375,380,386,392,398],{},[94,376,377],{},[65,378,379],{"href":210},"Acoustic cleaner",[94,381,382],{},[65,383,385],{"href":384},"\u002Fglossary\u002Fsonic-sootblower","Sonic sootblower",[94,387,388],{},[65,389,391],{"href":390},"\u002Fglossary\u002Fbell-horn","Bell horn",[94,393,394],{},[65,395,397],{"href":396},"\u002Fglossary\u002Fdiaphragm-horn","Diaphragm horn",[94,399,400],{},[65,401,402],{"href":353},"Low-frequency acoustic cleaner",{"title":168,"searchDepth":169,"depth":169,"links":404},[405,406,407,408,409],{"id":237,"depth":169,"text":238},{"id":249,"depth":169,"text":250},{"id":320,"depth":169,"text":321},{"id":361,"depth":169,"text":362},{"id":143,"depth":169,"text":144},"core-technology","A sonic horn is a pneumatically-driven sound emitter that produces high-intensity, low-frequency sound waves — typically between 60 and 400 Hz at sound pressure levels of 140 to 180 dB — used to dislodge particulate fouling from inside industrial process equipment. Sonic horns are the most common form of acoustic cleaner and the default specification for cleaning ESPs, baghouses, SCR catalysts, boiler heat-transfer surfaces and hoppers and silos.",{},[414,415,416,417,418,419],"acoustic-cleaner","acoustic-cleaning-system","sonic-sootblower","bell-horn","diaphragm-horn","low-frequency-acoustic-cleaner",{"title":421,"description":422},"Sonic horn — definition, frequency, SPL and industrial applications","A sonic horn is a pneumatically-driven low-frequency sound emitter (typically 60–400 Hz at 140–180 dB SPL) used to dislodge particulate fouling from boilers, ESPs, baghouses and process vessels.",[424,427,430],{"title":425,"url":426},"Power Engineering — Sonic Horns: A User's Introduction","https:\u002F\u002Fwww.power-eng.com\u002Fcoal\u002Fsonic-horns-a-userrsquos-introduction\u002F",{"title":428,"url":429},"Power Engineering — Tuning in to Acoustic Cleaning","https:\u002F\u002Fwww.power-eng.com\u002Fcoal\u002Ftuning-in-to-acoustic-cleaning\u002F",{"title":431,"url":432},"Wikipedia — Sonic soot blowers","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSonic_soot_blowers","glossary\u002Fsonic-horn","YzrhN0kKzqSaQo0wfn0rueNZ-V43mcg5zahqeWi3lnU",{"id":436,"title":437,"aliases":438,"body":440,"category":597,"description":598,"extension":176,"meta":599,"navigation":178,"path":72,"relatedTerms":600,"seo":604,"sources":607,"stem":614,"term":156,"__hash__":615},"glossary\u002Fglossary\u002Fsound-pressure-level.md","Sound pressure level (SPL)",[73,439],"sound pressure level dB",{"type":53,"value":441,"toc":591},[442,458,462,532,536,549,553,566,568],[56,443,444,446,447,451,452,454,455,457],{},[60,445,437],{}," is the logarithmic measure of sound pressure relative to the 20 µPa human-hearing reference, expressed in ",[65,448,450],{"href":449},"\u002Fglossary\u002Fdecibel","decibels",". It is the primary specification figure for any ",[65,453,68],{"href":67}," or ",[65,456,211],{"href":210}," and the metric used to size noise-exposure controls at the work area.",[86,459,461],{"id":460},"industrial-reference-values","Industrial reference values",[252,463,464,474],{},[255,465,466],{},[258,467,468,471],{},[261,469,470],{},"SPL (dB)",[261,472,473],{},"Reference",[268,475,476,484,492,500,508,516,524],{},[258,477,478,481],{},[273,479,480],{},"0",[273,482,483],{},"Threshold of human hearing",[258,485,486,489],{},[273,487,488],{},"60",[273,490,491],{},"Normal conversation",[258,493,494,497],{},[273,495,496],{},"120",[273,498,499],{},"Threshold of pain",[258,501,502,505],{},[273,503,504],{},"140",[273,506,507],{},"Industrial sonic horn (lower-output models)",[258,509,510,513],{},[273,511,512],{},"160",[273,514,515],{},"Typical cement \u002F ESP sonic horn",[258,517,518,521],{},[273,519,520],{},"180",[273,522,523],{},"Upper limit of pneumatic industrial sonic horns",[258,525,526,529],{},[273,527,528],{},"194",[273,530,531],{},"Theoretical maximum for an undistorted sine wave in air",[86,533,535],{"id":534},"spl-and-cleaning-effectiveness","SPL and cleaning effectiveness",[56,537,538,539,543,544,548],{},"Cleaning energy scales with intensity, which doubles for every 3 dB rise. A 150 dB horn delivers roughly twice the energy of a 147 dB horn at the same distance. SPL is not, however, the only selection criterion: ",[65,540,542],{"href":541},"\u002Fglossary\u002Ffrequency","frequency"," determines ",[65,545,547],{"href":546},"\u002Fglossary\u002Fwavelength","wavelength"," and therefore penetration. A 150 dB low-frequency horn typically out-cleans a 160 dB high-frequency horn in a large open vessel.",[86,550,552],{"id":551},"spl-and-exposure","SPL and exposure",[56,554,555,556,560,561,79,563,565],{},"Reported nameplate SPL is measured at 1 m on the bell axis. Real exposure at the work area falls with distance per the ",[65,557,559],{"href":558},"\u002Fglossary\u002Finverse-square-law","inverse-square law"," and through enclosure attenuation. Compliance with ",[65,562,161],{"href":77},[65,564,166],{"href":82}," is calculated from exposure, not from nameplate SPL.",[86,567,144],{"id":143},[91,569,570,575,580,586],{},[94,571,572],{},[65,573,574],{"href":449},"Decibel",[94,576,577],{},[65,578,579],{"href":541},"Frequency",[94,581,582],{},[65,583,585],{"href":584},"\u002Fglossary\u002Fsound-power-vs-sound-pressure","Sound power vs sound pressure",[94,587,588],{},[65,589,590],{"href":558},"Inverse-square law",{"title":168,"searchDepth":169,"depth":169,"links":592},[593,594,595,596],{"id":460,"depth":169,"text":461},{"id":534,"depth":169,"text":535},{"id":551,"depth":169,"text":552},{"id":143,"depth":169,"text":144},"acoustics-physics","Sound pressure level (SPL) is the logarithmic measure of sound pressure relative to the 20 µPa human-hearing reference, expressed in decibels. It is the primary specification figure for any sonic horn or acoustic cleaner and the metric used to size noise-exposure controls at the work area.",{},[601,542,602,603,181],"decibel","sound-power-vs-sound-pressure","inverse-square-law",{"title":605,"description":606},"Sound pressure level (SPL) — definition, industrial-cleaning ranges","SPL is the logarithmic measure of sound pressure in decibels relative to a 20 µPa reference. Industrial sonic horns operate at 140–180 dB SPL.",[608,611],{"title":609,"url":610},"Wikipedia — Sound pressure","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSound_pressure",{"title":612,"url":613},"Acoustical Society of America — Sound Pressure Level","https:\u002F\u002Fasastandards.org\u002F","glossary\u002Fsound-pressure-level","ayEoQNuJweSv9WGpwDPcx5CMESsbiPd4QPUpIoyQA6M",{"id":617,"title":161,"aliases":618,"body":622,"category":692,"description":693,"extension":176,"meta":694,"navigation":178,"path":77,"relatedTerms":695,"seo":697,"sources":700,"stem":704,"term":161,"__hash__":705},"glossary\u002Fglossary\u002Fosha-29-cfr-1910-95.md",[619,620,621],"OSHA noise standard","29 CFR 1910.95","OSHA Occupational Noise Exposure",{"type":53,"value":623,"toc":688},[624,629,643,647,652,655,672,674],[56,625,626,628],{},[60,627,161],{}," is the US Occupational Safety and Health Administration's standard for occupational noise exposure in general industry. Two thresholds matter:",[91,630,631,637],{},[94,632,633,636],{},[60,634,635],{},"Action level"," — 85 dBA TWA (time-weighted average over an 8-hour shift) — triggers a hearing-conservation programme",[94,638,639,642],{},[60,640,641],{},"Permissible exposure limit (PEL)"," — 90 dBA TWA — at which engineering controls or hearing protection are mandatory",[86,644,646],{"id":645},"how-it-interacts-with-sonic-horn-installations","How it interacts with sonic-horn installations",[56,648,58,649,651],{},[65,650,68],{"href":67}," at the work area can exceed 130 dBA SPL at close range. Operators within ear-shot of firing horns require hearing protection; permanent personnel exposure must be calculated as time-weighted average given the horn duty cycle and operator distance.",[56,653,654],{},"Mitigation options:",[91,656,657,663,666,669],{},[94,658,659,662],{},[65,660,661],{"href":179},"Sound-attenuation enclosures"," at the bell",[94,664,665],{},"Operator-station relocation outside the near-field",[94,667,668],{},"Hearing-protection requirements during horn operation",[94,670,671],{},"Acoustic monitoring during operator-presence audits",[86,673,144],{"id":143},[91,675,676,680,684],{},[94,677,678],{},[65,679,156],{"href":72},[94,681,682],{},[65,683,166],{"href":82},[94,685,686],{},[65,687,47],{"href":179},{"title":168,"searchDepth":169,"depth":169,"links":689},[690,691],{"id":645,"depth":169,"text":646},{"id":143,"depth":169,"text":144},"standards-regulations","OSHA 29 CFR 1910.95 is the US Occupational Safety and Health Administration's standard for occupational noise exposure in general industry. Two thresholds matter:",{},[182,184,696],"sound-attenuation-enclosure-sonic-horn",{"title":698,"description":699},"OSHA 29 CFR 1910.95 — US occupational noise exposure standard","OSHA 29 CFR 1910.95 sets US occupational noise exposure limits. The action level is 85 dBA TWA; the permissible exposure limit is 90 dBA TWA. Calculated from time-weighted average exposure.",[701],{"title":702,"url":703},"OSHA — Occupational Noise Exposure","https:\u002F\u002Fwww.osha.gov\u002Flaws-regs\u002Fregulations\u002Fstandardnumber\u002F1910\u002F1910.95","glossary\u002Fosha-29-cfr-1910-95","hQ4_HWPAzxwdcLfEZpimG9KRjWxsXOs-TaAZIXPg29c",{"id":707,"title":166,"aliases":708,"body":712,"category":692,"description":835,"extension":176,"meta":836,"navigation":178,"path":82,"relatedTerms":837,"seo":838,"sources":841,"stem":845,"term":166,"__hash__":846},"glossary\u002Fglossary\u002Feu-directive-2003-10-ec.md",[709,710,711],"2003\u002F10\u002FEC","EU noise directive","Physical Agents (Noise) Directive",{"type":53,"value":713,"toc":830},[714,723,743,747,757,761,811,814,816],[56,715,716,718,719,722],{},[60,717,166],{}," (also called the ",[720,721,711],"em",{},") sets workplace noise-exposure limits across EU Member States. Three thresholds matter:",[91,724,725,731,737],{},[94,726,727,730],{},[60,728,729],{},"Lower exposure action value"," — 80 dBA daily (Member States must provide hearing protection)",[94,732,733,736],{},[60,734,735],{},"Upper exposure action value"," — 85 dBA daily (must be used, engineering controls considered)",[94,738,739,742],{},[60,740,741],{},"Exposure limit value"," — 87 dBA daily (must not be exceeded, even with hearing protection)",[86,744,746],{"id":745},"industrial-sonic-horn-implications","Industrial sonic-horn implications",[56,748,749,750,752,753,756],{},"The directive applies to all EU industrial workplaces. Workplaces with installed ",[65,751,198],{"href":67}," must conduct noise-risk assessments, often deploying ",[65,754,755],{"href":179},"sound-attenuation enclosures",", implementing operator-distance restrictions during horn firing, and requiring hearing protection in adjacent areas.",[86,758,760],{"id":759},"comparison-with-us-osha","Comparison with US OSHA",[252,762,763,777],{},[255,764,765],{},[258,766,767,770,772],{},[261,768,769],{},"Threshold",[261,771,83],{},[261,773,774],{},[65,775,776],{"href":77},"US OSHA 29 CFR 1910.95",[268,778,779,790,801],{},[258,780,781,784,787],{},[273,782,783],{},"Lower action",[273,785,786],{},"80 dBA",[273,788,789],{},"—",[258,791,792,795,798],{},[273,793,794],{},"Upper action \u002F PEL",[273,796,797],{},"85 dBA",[273,799,800],{},"90 dBA",[258,802,803,806,809],{},[273,804,805],{},"Exposure limit",[273,807,808],{},"87 dBA",[273,810,789],{},[56,812,813],{},"The EU directive is more stringent than the US OSHA standard in absolute terms, particularly at the upper action level.",[86,815,144],{"id":143},[91,817,818,822,826],{},[94,819,820],{},[65,821,161],{"href":77},[94,823,824],{},[65,825,156],{"href":72},[94,827,828],{},[65,829,47],{"href":179},{"title":168,"searchDepth":169,"depth":169,"links":831},[832,833,834],{"id":745,"depth":169,"text":746},{"id":759,"depth":169,"text":760},{"id":143,"depth":169,"text":144},"EU Directive 2003\u002F10\u002FEC (also called the Physical Agents (Noise) Directive) sets workplace noise-exposure limits across EU Member States. Three thresholds matter:",{},[183,182,696],{"title":839,"description":840},"EU Directive 2003\u002F10\u002FEC — workplace noise exposure rules","EU Directive 2003\u002F10\u002FEC sets noise-exposure limits for EU workplaces. Lower action 80 dBA, upper action 85 dBA, exposure limit 87 dBA, all daily averages.",[842],{"title":843,"url":844},"EUR-Lex — Directive 2003\u002F10\u002FEC","https:\u002F\u002Feur-lex.europa.eu\u002Flegal-content\u002FEN\u002FALL\u002F?uri=CELEX:32003L0010","glossary\u002Feu-directive-2003-10-ec","hRoOXvEkDoKPXQONC3NVWwnFXe-7hcB2e1frGZQrQLA",1782613732819]