. . . . This food web has been damaged not only by over-fishing and changes in nutrient levels but also by other types of pollution from industrial chemicals agricultural fertilizers untreated sewage phosphates from laundry detergents and pesticides Some pollutant chemicals that have been found in the lake include DDT benzo[a]pyrene and other pesticides; PCBs aramite chromium lead mirex mercury and carbon tetrachloride the International Joint Commission has identified areas where pollution is particularly intense (point sources) and mapped them as Areas of Concern a Remedial Action Plan has been developed for each area Some Lake Ontario areas of concern include the Oswego River and Rochester Embayment on the American side and Hamilton Harbour and Toronto on the Canadian side.[citation needed].
. . 2 Team culture The Americans occupied the town for nearly two weeks They sent the captured military stores including 20 artillery pieces, away on May 2 but were then penned in York harbour by a gale Chauncey's vessels were so overcrowded with troops that only half of them could go below decks to escape the rain at any time. They left York on May 8 departing for the Niagara peninsula. where they required several weeks to recuperate Sheaffe's troops endured an equally miserable fourteen-day retreat overland to Kingston Around 300 to 400 Iroquois warriors assembled and marched towards York shortly after the battle to launch an attack on the American garrison. They were only 50 kilometres (31 mi) west of York in present day Burlington when they learned that the Americans had departed York and the expedition was called off Effects on the war, The Toronto Public School Board (TPSB) was created in 1847 to oversee elementary education in Toronto. However the date of creation of the board is also given as 1850 as this was when trustee elections under a ward system started. Legislation toward the creation of local public school boards began with the School Act of 1844 which stipulated municipal contributions toward the salaries of teachers the Toronto Public School Board continued to govern the city's elementary schools until 1904 when following a city referendum it was merged with the Collegiate Institute Board which oversaw the city's secondary schools and the Technical School Board which oversaw the Toronto Technical School to form the Toronto Board of Education Six trustees were appointed to the original 1847 board by the municipal council of Toronto to serve with the mayor the board was composed entirely of white men until the election of the first female trustee Augusta Stowe-Gullen in 1892 the board was created after the passage of the Common School Act of 1846 spearheaded by Egerton Ryerson architect of both publicly funded schooling and the residential school system the Act also called for the creation of a provincial normal school which would become the Toronto Normal School Prior to the 1846 Common School Act individual schools were governed by boards created under the Grammar School Act of 1807 and the Common Schools Act of 1816. Like all boards of education at the time the Toronto Public School Board was responsible for raising money to fund schools in addition to grants provided by the provincial government However they were not empowered to make these levies compulsory until the passage of the Common School Act in 1850 brought on in part by the closure of schools in Toronto in 1848 due to lack of funds. This act also allowed for the creation of separate schools boards in Ontario including racially segregated schools in Toronto the act allowed for the creation of a Catholic school board which would eventually become today's Toronto Catholic District School Board While elementary schooling across the province was not made free by law until 1871 the 1850 Common School Act allowed for individual boards to entirely fund their schools through public funds the Toronto Public School Board voted to do so in 1851 making elementary schooling in the city free Minutes from the first meetings of the Toronto Public School Board have been preserved by the Toronto District School Board Museum and Archives Schools of the Toronto Public School Board. .
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