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CDC - Best Practice Engineering Control Guidelines to Control Worker Exposure to Respirable Crystalline Silica during Asphalt Pavement Milling

This document represents more than ten years of collaborative research by labor, industry, and government to reduce respirable crystalline silica exposure during asphalt pavement milling in highway construction. 141 more words


Public Works Dept. Begins Using High-Tech Road Mixer To Fill Potholes

PITTSBURGH (KDKA) — This winter’s deep freeze left its mark on the streets of Pittsburgh. Potholes, big and small, can be found on just about every road in the city. 302 more words


One Word Photo Challenge: Eigengrau (dark gray)

Here is my entry for Jennifer’s One Word Photo Challenge with the topic of color of Eigengrau which is a dark gray and is actually the darkest color that our eyes can see.   39 more words

Cee Neuner

Coal-Tar-Sealant Runoff Causes Toxicity and DNA Damage

Runoff from pavement with coal-tar-based sealant is toxic to aquatic life, damages DNA, and impairs DNA repair, according to two studies by the U.S. Geological Survey published in the journals… 401 more words


April Showers and The Allergy Index

Weekly Photo Challenge: Afloat – “How do you interpret the word afloat? … This week, show us what afloat means to you.”


Spring in the South comes in an instant, and it announces itself with a burst. 69 more words


Asphalt 8: Airborne v1.8.0 (Unlimited Money Anti-ban) Premium Apk + Data

Download premium apk from soloapk and keep visit website to get new android apps,new android games and best android themes.you can get all full apk/pro apk/mods apk from direct apk download or miror for free,so happy apk download…. 22 more words