div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=natural-gas-altitude-de-rate-factor-benchmark-7501000-aercocomsitesdefaultfilesdocumentdocumentc302-4-bmk750altitudehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Natural Gas Altitude De-Rate Factor Benchmark 7501000 aercocomsitesdefaultfilesdocumentdocumentC302-4-BMK750 · Altitude Correction Factor ACF Derating For Altitude loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220218175a9d26e77f8b9a032a8bf389html5thumbnails1jpg width=140 height=200 divdiv