Day-evening typical level, DNL or LDN: This measurement assesses the cumulative exposure to sound for your 24-hour period of time (Leq above 24 hrs) of your 12 months, having a 10 dB(A) penalty or pounds added to nighttime noise measurements offered the elevated sensitivity to noise at nighttime. within the https://franciscognesh.blogkoo.com/double-glazing-benefits-things-to-know-before-you-buy-51532852