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  1. en.wikipedia.org › wiki › DDTDDT - Wikipedia

    14 hours ago · DDT had been researched and manufactured in St. Louis by the Michigan Chemical Corporation, later purchased by Velsicol Chemical Corporation, and had become an important part of the local economy. Citing research performed by Michigan State University [50] in 1946, Robinson, a past president of the local Conservation Club, [51] opined that:

    • C₁₄H₉Cl₅
    • 354.48 g·mol−1
    • 108.5 °C (227.3 °F; 381.6 K)
    • 25 μg/L (25 °C)
  2. 14 hours ago · History Main article: History of San Diego State University A landmark building (Hepner Hall) featured in the school's logo Established on March 13, 1897, San Diego State University first began as the San Diego Normal School, and was initially meant to educate local women as elementary school teachers. It was located on a 17-acre (6.9 ha) campus on Park Boulevard in University Heights (now the ...

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