<?xml version="1.0" encoding="utf-8"?><bwFrame xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" default_layout="prevnextnosubmit0001000110" textdirection="ltr" device="false"><layouts><layout name="noprevnonextsubmit0001000110" font="Articulate Narrow" controllayout="noprevnonextsubmit0001000110" colorscheme="prevnextnosubmit0001000110" string_table="prevnextnosubmit0001000110" /><layout name="prevnextnosubmit0001000110" font="Articulate Narrow" controllayout="prevnextnosubmit0001000110" colorscheme="prevnextnosubmit0001000110" string_table="prevnextnosubmit0001000110" /><layout name="noprevnextnosubmit0001000110" font="Articulate Narrow" controllayout="noprevnextnosubmit0001000110" colorscheme="prevnextnosubmit0001000110" string_table="prevnextnosubmit0001000110" /><layout name="noprevnonextnosubmit0001000110" font="Articulate Narrow" controllayout="noprevnonextnosubmit0001000110" colorscheme="prevnextnosubmit0001000110" string_table="prevnextnosubmit0001000110" /></layouts><control_options><optiongroups><optiongroup name="sidebaroptions"><options><option name="title_enabled" value="true"><options><option name="title_text" value="Hydrogen Sulfide " /></options></option><option name="logo_enabled" value="true"><options><option name="logo_url" value="story_content/logo.swf"><properties><property name="width" value="200" /><property name="height" value="90" /></properties></option><option name="html5_logo_url" value="mobile/logo.png" /></options></option><option name="sidebar_enabled" value="true"><options><option name="sidebarpos" value="left" /></options></option><optionlist name="tabs"><listitems><listitem name="resources" value="false" group="linkright" /><listitem name="outline" value="true" group="sidebar" /><listitem name="glossary" value="false" group="sidebar" /><listitem name="transcript" value="false" group="sidebar" /></listitems></optionlist><option name="time_enabled" value="false"><options><option name="time_format" value="totalelapsed" /></options></option></options></optiongroup><optiongroup name="menuoptions"><options><option name="flow" value="free" /><option name="wraplistitems" value="false" /><option name="tooltips" value="true" /><option name="autocollapse" value="true" /><option name="autonumber" value="false" /></options></optiongroup><optiongroup name="controls"><options><option name="volume" value="true" /><option name="seekbar" value="false" /><option name="search" value="false" /></options></optiongroup><optiongroup name="bottombaroptions"><options><option name="bottombar_enabled" value="true" /></options></optiongroup></optiongroups></control_options><control_layouts><control_layout name="noprevnonextsubmit0001000110"><control name="volume" enabled="true" /><control name="seekbar" enabled="false" /><control name="replay" enabled="false" /><control name="pauseplay" enabled="false" /><control name="previous" enabled="false" /><control name="next" enabled="false" /><control name="submit" enabled="true" /><control name="resources" enabled="false" /><control name="glossary" enabled="false" /><control name="transcript" enabled="false" /><control name="outline" enabled="true"><controls><control name="search" enabled="false" /></controls></control></control_layout><control_layout name="prevnextnosubmit0001000110"><control name="volume" enabled="true" /><control name="seekbar" enabled="false" /><control name="replay" enabled="false" /><control name="pauseplay" enabled="false" /><control name="previous" enabled="true" /><control name="next" enabled="true" /><control name="submit" enabled="false" /><control name="resources" enabled="false" /><control name="glossary" enabled="false" /><control name="transcript" enabled="false" /><control name="outline" enabled="true"><controls><control name="search" enabled="false" /></controls></control></control_layout><control_layout name="noprevnextnosubmit0001000110"><control name="volume" enabled="true" /><control name="seekbar" enabled="false" /><control name="replay" enabled="false" /><control name="pauseplay" enabled="false" /><control name="previous" enabled="false" /><control name="next" enabled="true" /><control name="submit" enabled="false" /><control name="resources" enabled="false" /><control name="glossary" enabled="false" /><control name="transcript" enabled="false" /><control name="outline" enabled="true"><controls><control name="search" enabled="false" /></controls></control></control_layout><control_layout name="noprevnonextnosubmit0001000110"><control name="volume" enabled="true" /><control name="seekbar" enabled="false" /><control name="replay" enabled="false" /><control name="pauseplay" enabled="false" /><control name="previous" enabled="false" /><control name="next" enabled="false" /><control name="submit" enabled="false" /><control name="resources" enabled="false" /><control name="glossary" enabled="false" /><control name="transcript" enabled="false" /><control name="outline" enabled="true"><controls><control name="search" enabled="false" /></controls></control></control_layout></control_layouts><colorschemes><colorscheme name="prevnextnosubmit0001000110"><color_group name="timer"><group_colors><color name="duration"><fill type="linear" rotation="90"><colors><color rgb="0x00D7FF" alpha="100" stop="0" /><color rgb="0x00ABFF" alpha="100" stop="255" /></colors></fill></color><color name="elapsed"><fill type="linear" rotation="90"><colors><color rgb="0xFEE347" alpha="100" stop="0" /><color rgb="0xFCCC2A" alpha="100" stop="255" /></colors></fill></color><color name="stroke"><fill type="linear" rotation="90"><colors><color rgb="0xC7C7C7" alpha="100" stop="0" /></colors></fill></color><color name="inner"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="window"><group_colors><color name="text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="inner"><fill type="linear" rotation="90"><colors><color rgb="0x2E77B8" alpha="100" stop="0" /><color rgb="0x094B8E" alpha="100" stop="255" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0x409ACE" alpha="100" stop="0" /></colors></fill></color><color name="diva"><fill type="linear" rotation="90"><colors><color rgb="0x4392D1" alpha="100" stop="0" /></colors></fill></color><color name="divb"><fill type="linear" rotation="90"><colors><color rgb="0x145086" alpha="100" stop="0" /></colors></fill></color><color name="shadow"><fill type="linear" rotation="90"><colors><color rgb="0x000000" alpha="20" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="editor"><group_colors><color name="slide_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="html_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="btn_text_shadow"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="btn_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="btn_border"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="btn_hover"><fill type="linear" rotation="90"><colors><color rgb="0x39A1CB" alpha="100" stop="0" /><color rgb="0x154694" alpha="100" stop="255" /></colors></fill></color><color name="btn_down"><fill type="linear" rotation="90"><colors><color rgb="0x154694" alpha="100" stop="0" /><color rgb="0x39A1CB" alpha="100" stop="255" /></colors></fill></color><color name="btn_bg"><fill type="linear" rotation="90"><colors><color rgb="0x2F84BC" alpha="100" stop="0" /><color rgb="0x1F5BA3" alpha="100" stop="255" /></colors></fill></color></group_colors></color_group><color_group name="listitem"><group_colors><color name="selected_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="shadow"><fill type="linear" rotation="90"><colors><color rgb="0x053A6A" alpha="100" stop="0" /></colors></fill></color><color name="selected"><fill type="linear" rotation="90"><colors><color rgb="0x154B82" alpha="100" stop="0" /></colors></fill></color><color name="text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="viewed"><fill type="linear" rotation="90"><colors><color rgb="0x155EA7" alpha="100" stop="0" /></colors></fill></color><color name="hover"><fill type="linear" rotation="90"><colors><color rgb="0x3E98D3" alpha="100" stop="0" /></colors></fill></color><color name="lines"><fill type="linear" rotation="90"><colors><color rgb="0x1D5E9B" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="glossary"><group_colors><color name="selected_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="selected"><fill type="linear" rotation="90"><colors><color rgb="0x154B82" alpha="100" stop="0" /></colors></fill></color><color name="text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="hover"><fill type="linear" rotation="90"><colors><color rgb="0x3E98D3" alpha="100" stop="0" /></colors></fill></color><color name="heading_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="diva"><fill type="linear" rotation="90"><colors><color rgb="0x236EA7" alpha="100" stop="0" /></colors></fill></color><color name="divb"><fill type="linear" rotation="90"><colors><color rgb="0x236EA7" alpha="100" stop="0" /></colors></fill></color><color name="divc"><fill type="linear" rotation="90"><colors><color rgb="0x78B6DB" alpha="100" stop="0" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0x4FA7D9" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="resource"><group_colors><color name="separator"><fill type="linear" rotation="90"><colors><color rgb="0x1D5E9B" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="outline"><group_colors><color name="search_hover"><fill type="linear" rotation="90"><colors><color rgb="0x8AD3FF" alpha="100" stop="0" /></colors></fill></color><color name="search_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="icon_color"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="divc"><fill type="linear" rotation="90"><colors><color rgb="0x1D5E9B" alpha="100" stop="0" /></colors></fill></color><color name="divb"><fill type="linear" rotation="90"><colors><color rgb="0x5DA1CE" alpha="100" stop="0" /></colors></fill></color><color name="diva"><fill type="linear" rotation="90"><colors><color rgb="0x1D5E9B" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="transcript"><group_colors><color name="heading_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="div"><fill type="linear" rotation="90"><colors><color rgb="0x1D5E9B" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="tabs"><group_colors><color name="shadow"><fill type="linear" rotation="90"><colors><color rgb="0x053A6A" alpha="100" stop="0" /></colors></fill></color><color name="hover"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="selected"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="text"><fill type="linear" rotation="90"><colors><color rgb="0x8AD3FF" alpha="100" stop="0" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0x3489C3" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="seekcontrol"><group_colors><color name="btn_icon_hover"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="btn_icon_shadow"><fill type="linear" rotation="90"><colors><color rgb="0x2160A8" alpha="100" stop="0" /></colors></fill></color><color name="btn_icon_color"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="seek_position"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="seek_bg"><fill type="linear" rotation="90"><colors><color rgb="0x1A6FAA" alpha="100" stop="0" /></colors></fill></color><color name="text_color"><fill type="linear" rotation="90"><colors><color rgb="0x2D2D2D" alpha="100" stop="0" /></colors></fill></color><color name="seek_border"><fill type="linear" rotation="90"><colors><color rgb="0x165291" alpha="100" stop="0" /><color rgb="0x459CD2" alpha="100" stop="255" /></colors></fill></color><color name="border"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /><color rgb="0x053A69" alpha="100" stop="0" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0x2F84BC" alpha="100" stop="0" /><color rgb="0x1F5BA4" alpha="100" stop="255" /></colors></fill></color></group_colors></color_group><color_group name="searchinput"><group_colors><color name="text_active"><fill type="linear" rotation="90"><colors><color rgb="0x2D2D2D" alpha="100" stop="0" /></colors></fill></color><color name="bg_active"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="search_text"><fill type="linear" rotation="90"><colors><color rgb="0x2D2D2D" alpha="100" stop="0" /></colors></fill></color><color name="hover_glow"><fill type="linear" rotation="90"><colors><color rgb="0x5DA1CE" alpha="0" stop="0" /></colors></fill></color><color name="button_hover"><fill type="linear" rotation="90"><colors><color rgb="0x2F84BC" alpha="100" stop="0" /><color rgb="0x1F5BA3" alpha="100" stop="255" /></colors></fill></color><color name="icon"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="border"><fill type="linear" rotation="90"><colors><color rgb="0x2C7CBB" alpha="100" stop="0" /><color rgb="0x1D5E9B" alpha="100" stop="255" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="scrollarea"><group_colors><color name="detailb"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="detaila"><fill type="linear" rotation="90"><colors><color rgb="0x5EA1CE" alpha="100" stop="0" /></colors></fill></color><color name="shadow"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="icons"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="button_border"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="button_inner"><fill type="linear" rotation="90"><colors><color rgb="0x3C88C0" alpha="100" stop="0" /><color rgb="0x3368AC" alpha="100" stop="255" /></colors></fill></color><color name="button_bg"><fill type="linear" rotation="90"><colors><color rgb="0x2977B8" alpha="100" stop="0" /><color rgb="0x215DA5" alpha="100" stop="255" /></colors></fill></color><color name="border"><fill type="linear" rotation="90"><colors><color rgb="0x3D9EE5" alpha="100" stop="0" /></colors></fill></color><color name="bg"><fill type="linear" rotation="0"><colors><color rgb="0x2C74B5" alpha="100" stop="0" /><color rgb="0x3181BC" alpha="100" stop="128" /></colors></fill></color></group_colors></color_group><color_group name="menu"><group_colors><color name="shadow"><fill type="linear" rotation="90"><colors><color rgb="0x0E4E8C" alpha="100" stop="0" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0x3489C3" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="logo"><group_colors><color name="shadow"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="checkbox"><group_colors><color name="hover"><fill type="linear" rotation="90"><colors><color rgb="0x8AD3FF" alpha="100" stop="0" /></colors></fill></color><color name="text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="check"><fill type="linear" rotation="90"><colors><color rgb="0x2BC400" alpha="100" stop="0" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="border"><fill type="linear" rotation="90"><colors><color rgb="0x1D5E9B" alpha="100" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="button"><group_colors><color name="btn_icon_color"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="btn_text_shadow"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="btn_text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="btn_border"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="btn_hover"><fill type="linear" rotation="90"><colors><color rgb="0x39A1CB" alpha="100" stop="0" /><color rgb="0x154694" alpha="100" stop="255" /></colors></fill></color><color name="btn_down"><fill type="linear" rotation="90"><colors><color rgb="0x154694" alpha="100" stop="0" /><color rgb="0x39A1CB" alpha="100" stop="255" /></colors></fill></color><color name="btn_bg"><fill type="linear" rotation="90"><colors><color rgb="0x2F84BC" alpha="100" stop="0" /><color rgb="0x1F5BA3" alpha="100" stop="255" /></colors></fill></color><color name="btn_glow"><fill type="linear" rotation="90"><colors><color rgb="0x1C599A" alpha="10" stop="0" /></colors></fill></color></group_colors></color_group><color_group name="base"><group_colors><color name="text"><fill type="linear" rotation="90"><colors><color rgb="0xFFFFFF" alpha="100" stop="0" /></colors></fill></color><color name="diva"><fill type="linear" rotation="90"><colors><color rgb="0x145086" alpha="100" stop="0" /></colors></fill></color><color name="divb"><fill type="linear" rotation="90"><colors><color rgb="0x4392D1" alpha="100" stop="0" /></colors></fill></color><color name="menu_shade"><fill type="linear" rotation="90"><colors><color rgb="0x2B6EAB" alpha="100" stop="0" /><color rgb="0x094784" alpha="100" stop="255" /></colors></fill></color><color name="border"><fill type="linear" rotation="90"><colors><color rgb="0x3D8DCE" alpha="100" stop="0" /><color rgb="0x3D8DCE" alpha="100" stop="255" /></colors></fill></color><color name="bg"><fill type="linear" rotation="90"><colors><color rgb="0x2E77B8" alpha="100" stop="0" /><color rgb="0x094B8E" alpha="100" stop="255" /></colors></fill></color><color name="slide_bg"><fill type="linear" rotation="90"><colors><color rgb="0x2E77B8" alpha="100" stop="0" /><color rgb="0x094B8E" alpha="100" stop="255" /></colors></fill></color></group_colors></color_group><color_group name="volume"><group_colors><color name="thumb_border"><fill type="linear" rotation="90"><colors><color rgb="0x063A6A" alpha="100" stop="0" /></colors></fill></color><color name="thumb_inner"><fill type="linear" rotation="90"><colors><color rgb="0x3B85BE" alpha="100" stop="0" /></colors></fill></color><color name="thumb_bg"><fill type="linear" rotation="90"><colors><color rgb="0x2771B3" alpha="100" stop="0" /></colors></fill></color><color name="slider_border"><fill type="linear" rotation="90"><colors><color rgb="0x3790D7" alpha="100" stop="0" /></colors></fill></color><color name="slider_bg"><fill type="linear" rotation="0"><colors><color rgb="0x2363A9" alpha="100" stop="0" /><color rgb="0x266DB2" alpha="100" stop="128" /><color rgb="0x2363A9" alpha="100" stop="255" /></colors></fill></color></group_colors></color_group></colorscheme></colorschemes><string_tables><string_table name="prevnextnosubmit0001000110"><string id="prev">PREV</string><string id="next">NEXT</string><string id="submit">SUBMIT</string><string id="outline">Menu</string><string id="resources">Resources</string><string id="glossary">Glossary</string><string id="transcript">Notes</string><string id="clear">Clear and return to Menu</string><string id="search_results">Search Results</string><string id="filter">Filter</string><string id="slide_text_chk">Slide Text</string><string id="transcript_chk">Notes</string><string id="search_in">Search in:</string><string id="check_include">Check to include</string><string id="search">Search...</string><string id="terms">Terms</string><string id="definition">Definition</string><string id="acc_definition">definition</string><string id="acc_resources">resources</string><string id="acc_search_input">search</string><string id="acc_pause">pause</string><string id="acc_play">play</string><string id="acc_replay">replay</string><string id="acc_submit">submit</string><string id="acc_next">next</string><string id="acc_previous">previous</string><string id="acc_volume">volume</string></string_table></string_tables><sounds enabled="false" /><nav_data><outline><links><slidelink slideid="_player.5gnhqMEvLE6" displaytext="Class Player" expand="true"><links><slidelink slideid="_player.5gnhqMEvLE6.5oftg1yRy7p" displaytext="Introduction" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6NWhcfaQt7G" displaytext="Copyright" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6FsTDBoKkCn" displaytext="Investigating Accidents" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5kCchnfxLDp" displaytext="Course Objectives" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5Zj4bub6JwF" displaytext="Video" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6aaKigJdUqj" displaytext="What is H2S?" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6bp5bEx1tBb" displaytext="H2S cont." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5pFP2DkKRp0" displaytext="H2S cont." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6JnhiJnwp27" displaytext="H2S Cont." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6hkoXxe3AYO" displaytext="Toxicity and Physiological Effects" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5ibsj35nWL1" displaytext="Comparisons" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6TSUZ0UgPQk" displaytext="PPM Trace Concentration Units" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6cGUefyeIN1" displaytext="Common Names" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6iRxeC5myH3" displaytext="Formation of H2S" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5veK2evNy2J" displaytext="Common Sources of H2S" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5tbZOxhRelz" displaytext="H2S temporarily destroys the sense of smell after the first whiff." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5lAI6RMEbsh" displaytext="H2S is a product of putrefaction." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6naY0OGbjHl" displaytext="The maximum H2S you should breathe in an eight-hour period is 1 ppm (1 part of H2S to 1,000,000 parts of air equals 1 ppm; this is an 0.0001% concentration of the gas)" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5ZCtIJCQO4R" displaytext="H2S doesn't cause irritation to the eyes." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5ku2S2tidzY" displaytext="Never forget that concentrations of H2S over about 500 ppm (0.05%) may knock you out." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5xu7DAoXmAy" displaytext="H2S is colorless so that the eye cannot perceive it." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6LTZYE0uLyG" displaytext="H2S is found in oilfield drilling operations." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6RXUAX8G3My" displaytext="H2S is not found in mines." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6kF0A5pNF5j" displaytext="H2S can be found in municipal sewers." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6H8wwn5c0sN" displaytext="H2S has a vapor density of 2.189; Air = 2.0" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6dJs7o0YSfN" displaytext=" H2S vapors may travel considerable distance to a source of ignition and flashback." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6PsfIqgk38Z" displaytext="Detection of H2S solely by smell is highly dangerous as the sense of smell is quickly paralyzed by the gas." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6HZZN1ebAEu" displaytext="H2S has a offensive odor, often described as that of rotten eggs." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5oq1J0FErkf" displaytext="H2S is not soluble in both water and liquid hydrocarbons. " expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.64Kjd0OfPBl" displaytext="H2S is corrosive to plastics, elastomer's, animal tissues and nerves." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5VDgNaZr6IR" displaytext="H2S in certain applications, can form a pyrophoric substance called Iron Sulfide Scale, or Iron Sponge.  This substance will auto-ignite when exposed to air.  " expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6QcYfbp53WA" displaytext="TLV is a term used by the ACGIH to express the airborne concentration of a material. The TLV for H2S is 1 ppm." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5Z5834hwwjb" displaytext="IDLH is the concentration of a gas, as determined by the National Institute of Occupational Safety and Health (NIOSH). The IDLH for H2S is 100 ppm." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5t3IVSWY9gx" displaytext="PEL/TWA - OSHA  maximum of eight (8) hour exposure, 5 days per week/ for 30 years (without respiratory protection) - 20 ppm" expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.6NonYk4wjvT" displaytext="Average workday exposure- (10ppm)(8 Hour/Day) / Hours Worked." expand="true" /><slidelink slideid="_player.5gnhqMEvLE6.5boTDTneQVJ" displaytext="Short skills test" expand="true" /></links></slidelink></links></outline></nav_data><resource_data description="" /><transcript_data /><glossary_data /></bwFrame>