U.S. flag An official website of the United States government.
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Institute for Occupational Safety and Health

CDC Stacks Public Health Publications

The National Institute for Occupational Safety and Health (NIOSH) conducts research and makes recommendations for preventing work-related injuries, illnesses, and deaths. For more information, visit https://www.cdc.gov/niosh/index.html.

(381)
(1084)
(1277)
(1648)
(1918)
(2668)
(2165)
(2175)
(2194)
(2022)
(2295)
(2185)
(2186)
(1946)
(1959)
(1868)
(1814)
(1896)
(1852)
(2021)
(1832)
(1776)
(1791)
(1593)
(1443)
(1340)
(1050)
(1130)
(1106)
(948)
(1158)
(1317)
(1239)
(1328)
(1187)
(1406)
(1037)
(1171)
(1173)
(1213)
(1054)
(1184)
(1312)
(1468)
(1469)
(1457)
(1274)
(1230)
(1333)
(1437)
(1233)
(1063)
(1078)
(826)
(603)
(526)
(112)
(50)
(32)
(39)
(31)
(34)
(23)
(13)
(6)
(7)
(6)
(5)
(2)
(2)
(1)
(1)
(2)
(2)
(2)
(3)
(1)
(1)
(2)
(2)
(2)
(3)
(1)
(2)
(2)
(2)
(3)
(5)
(40)
0 of 89
(1)
(637)
(13)
(2)
(1)
(133)
(1)
(89)
(3)
(509)
(1)
(4)
(1)
(177)
(79)
(5)
(67)
(57)
(11)
(1)
(7)
(1128)
(18)
(385)
(5)
(79379)
(1)
(4)
0 of 28
(1)
(2)
(1)
(3)
(5)
(853)
(1)
(1)
(1)
(716)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(850)
(1)
(245)
(1)
(3)
(2)
(2)
(1)
(3)
(1)
(6)
(1)
(2)
(97)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(5)
(2)
(1)
(1)
(9)
(3)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(67)
(1)
(3)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(3)
(57)
(1)
(8)
(7)
(1)
(3)
(1)
(1)
(1)
(2)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(6022)
(1)
(2)
(2)
(1)
(1)
(5)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(7)
(2)
(180)
(1)
(1)
(28)
(5)
(1)
(2)
(1)
(4)
(1)
(1)
(2)
(2)
(1)
(1)
(3533)
(1)
(1)
(5)
(2)
(1)
(10)
(1)
(1)
(2)
(1)
(957)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(60)
(3)
(1)
(7)
(1)
(2)
(1)
(1)
(1)
(95)
(1)
(1)
(1)
(39)
(1)
(44)
(1)
(1)
(2)
(1)
(1)
(2474)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(5)
(2)
(1927)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2411)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(4)
(2)
(46)
(1)
(2)
(1)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(159)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(387)
(2)
(1)
(1)
(1)
(2297)
(1057)
(1)
(4)
(1754)
(1)
(4)
(2)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(5)
(1)
(1)
(1)
(2)
(1)
(232)
(1)
(1)
(7)
(35)
(1)
(1)
(1)
(1537)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(11)
(4)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(1)
(4)
(1)
(1)
(7)
(1)
(735)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(288)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(3)
(3)
(1)
(1)
(1)
(4610)
(2)
(1)
(1)
(4068)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2616)
(2)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(2059)
(1)
(1)
(1)
(253)
(1)
(1)
(1111)
(1)
(1)
(1)
(2)
(380)
(1)
(1)
(4)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(634)
(1)
(562)
(1)
(1)
(1)
(3)
(3)
(1)
(4)
(226)
(1190)
(2)
(582)
(3)
(1)
(1)
(4)
(2)
(1)
(4798)
(17)
(1)
(6)
(4)
(104)
(7)
(85)
(1)
(1)
(2)
(1)
(6)
(3)
(1)
(2)
(1)
(1)
(8)
(1)
(1)
(1)
(2771)
(1)
(134)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(3)
(1)
(14762)
(1)
(515)
(2)
(1)
(1442)
(3)
(2)
(5410)
(5754)
(24276)
(9539)
(22065)
(4242)
(3473)
(1)
(5406)
(7249)
(6858)
(5)
(1)
(1)
(3)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(8419)
(1)
(1)
(1)
(4)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(13)
(245)
(1)
(1)
(1)
(3)
(1)
(1)
(3)
(9)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(3)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(7)
(100)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(3)
(3)
(1)
(1)
(162)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(4)
(1)
(1)
(6)
(5)
(140)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(2)
(1)
(1)
(489)
(183)
(1)
(3)
(2)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(6)
(2)
(1)
(1)
(1)
(1)
(4)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(6)
(1)
(2)
(1)
(1)
(1)
(626)
(1)
(2548)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(17)
(1)
(1)
(1)
(1)
(1320)
(1)
(1)
(1364)
(1)
(2)
(211)
(1)
(1)
(1)
(1)
(1)
(1829)
(1)
(2)
(1)
(1)
(1)
(3)
(2)
(3)
(1)
(4879)
(14)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(10960)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1377)
(1)
(1)
(1)
(83)
(5)
(2)
(1)
(299)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
0 of 845
(29)
(1)
(1)
(1)
(1)
(1)
(738)
(282)
(3520)
(808)
(2063)
(1)
(3837)
(587)
(1)
(16446)
(11)
(1)
(22)
(1)
(132)
(3708)
(22)
(12)
(17)
(3)
(1)
(3)
(23)
(15)
(18)
(50)
(1)
(557)
(4)
0 of 35
(1)
(59)
(21)
(125)
(24)
(89)
(4)
(105)
(67)
(11)
(1)
(663)
(1)
(1)
(81)
(41)
(26)
(2548)
(1)
(21)
(1162)
(15)
(122)
(14)
(1)
(31)
(1)
(633)
(9)
(3)
(2834)
(11)
(2)
(2577)
(10)
(11)
(4)
(151)
(2179)
(114)
(4)
(105)
(13)
(169)
(175)
(1)
(1)
(7)
(37)
(2)
(5)
0 of 51
(69)
(6)
(5)
(1155)
(30)
(7)
(5018)
(4)
(5757)
(8709)
(11)
(26)
(121)
(19)
(5)
(25)
(43)
(37)
(26)
(74)
(207)
(4)
(151)
(67)
(6)
(27)
(5)
(105)
(5)
(5)
(652)
(26)
(121)
(32)
(6)
(2078)
(51)
(44)
(7)
(1885)
(1920)
(5)
(4)
(4)
(17)
(5)
(4447)
(10)
(59)
(319)
(6)
(710)
(9)
(5017)
(6)
(1254)
(2456)
(7)
(52)
(10)
(21)
(237)
(166)
(35)
(9)
(32)
(252)
(20)
(388)
(33)
(24)
(159)
(65)
(48)
(5)
(15)
(54)
(147)
(11)
(37)
(161)
(3166)
(60)
(4)
(15)
(78)
(4)
(218)
(151)
(39)
(87)
(238)
(4)
(4)
(256)
(15)
(104)
(967)
(4)
(1240)
(1250)
(39)
(106)
(4)
(236)
(15)
(1943)
(52)
(26)
(6)
(7)
(4)
(4)
(219)
(184)
(1806)
(5)
(201)
(13)
(25)
(6)
(223)
(85)
(534)
(359)
(362)
(6)
(148)
(100)
(19)
(1232)
(1281)
(230)
(8)
(20)
(1663)
(187)
(133)
(89)
(68)
(344)
(10)
(4)
(23)
(23)
(61)
(6)
(6)
(6)
(6)
(60)
(4)
(208)
(64)
(189)
(34)
(186)
(33)
(69)
(4)
(32)
(6)
(119)
(6)
(225)
(5)
(1951)
(1532)
(4)
(1875)
(8)
(546)
(66)
(28)
(74)
(52)
(414)
(5)
(28)
(92)
(5)
(36)
(8)
(18)
(66)
(2666)
(492)
(32)
(16)
(27)
(107)
(231)
(7)
(6)
(9)
(56)
(26)
(337)
(20)
(267)
(150)
(243)
(4)
(4)
(315)
(5)
(108)
(62)
(3136)
(7)
(12)
(7)
(2812)
(46)
(9)
(37)
(794)
(79)
(5)
(6)
(53)
(201)
(13)
(150)
(1656)
(144)
(155)
(234)
(521)
(376)
(4184)
(509)
(4)
(9)
(5)
(44)
(179)
(26)
(75)
(10)
(91)
(10)
(42)
(67)
(32)
(140)
(4)
(20)
(14)
(4)
(31)
(5)
(456)
(26)
(42)
(6)
(62)
(7)
(193)
(510)
(170)
(166)
(6)
(9)
(7)
(10)
(309)
(18)
(6)
(561)
(1926)
(19)
(156)
(6)
(647)
(44)
(33)
(29)
(70)
(666)
(4)
(297)
(344)
(295)
(82)
(4)
(296)
(36)
(8)
(7)
(33)
(5)
(44)
(241)
(5)
(186)
(5)
(34)
(34)
(52)
(13)
(8)
(7)
(166)
(6642)
(26)
(4)
(622)
(8)
(18)
(4)
(25)
(309)
(2306)
(4)
(37)
(359)
(680)
(4)
(4)
(1025)
(8)
(26)
(54)
(167)
(85)
(44)
(15)
(791)
(5)
(2211)
(4)
(361)
(6)
(47)
(384)
(49)
(308)
(1054)
(23)
(1645)
(5)
(460)
(4707)
(9)
(1340)
(7)
(6736)
(13)
(1571)
(7)
(522)
(9)
(7)
(5250)
(12)
(5)
(28)
(111)
(9)
(6)
(15)
(24)
(2316)
(46)
(63)
(13)
(35)
(4)
(68)
(5)
(13)
(4)
(6)
(5)
(23)
(82)
(8)
(4)
(642)
(153)
(5)
(432)
(105)
(242)
(16)
(744)
(2351)
(10)
(668)
(21)
(22)
(147)
(6)
(345)
(34)
(63)
(340)
(262)
(4)
(15)
(1912)
(1246)
(112)
(34)
(21)
(51)
(5)
(37)
(16)
(24)
(8)
(5)
(4)
(384)
(100)
(49)
(428)
(557)
(7)
(609)
(344)
(4)
(166)
(11)
(5)
(289)
(49)
(644)
(119)
(21)
(5)
(5)
(4)
(4)
(1198)
(38)
(551)
(210)
(5)
(53)
(135)
(75)
(5)
(65)
(16)
(112)
(5)
(16)
(4)
(6232)
(32)
(51)
(4)
(53)
(4)
(9)
(10)
(324)
(2291)
(12)
(14)
(10)
(3308)
(17)
(11)
(1418)
(6)
(5)
(8)
(11)
(7)
(161)
(887)
(1078)
(1161)
(23)
(6)
(4)
(39)
(7)
(535)
(473)
(869)
(30)
(19)
(5)
(4)
(194)
(38)
(13)
(42)
(96)
(5)
(59)
(60)
(78)
(8)
(142)
(6)
(233)
(894)
(5)
(55)
(19)
(334)
(317)
(462)
(5)
(1140)
(11)
(17)
(9)
(4)
(15)
(43)
(4)
(1529)
(4)
(6)
(26)
(1426)
(4)
(15)
(17)
(30)
(12)
(4)
(23)
(16)
(4)
(22)
(14)
(55)
(32)
(10)
(35)
(16)
(5)
(7)
(8)
(111)
(37)
(509)
(4)
(9)
(5)
(8)
(58)
(1124)
(73)
(5)
(1458)
(6)
(4)
(74)
(76)
(7)
(5)
(1336)
(413)
(5)
(122)
(5289)
(48)
(641)
(1088)
(351)
(5)
(180)
(5)
(229)
(330)
(352)
(10)
(72)
(8)
(47)
(5232)
(3753)
(7)
(5)
(5)
(11)
(9)
(59)
(127)
(9)
(21)
(117)
(352)
(157)
(227)
(4432)
(18)
(10)
(100)
(11)
(159)
(18)
(30)
(28)
(41)
(2670)
(29)
(369)
(2773)
(195)
(2489)
(787)
(1022)
(30)
(62)
(11)
(275)
(22)
(15)
(10)
(5)
(20)
(6)
(39)
(6)
(23)
(12)
(1066)
(96)
(42)
(7)
(12)
(7)
(16)
(28)
(688)
(19)
(62)
(8)
(6)
(8676)
(5)
(103)
(11)
(848)
(8)
(3595)
(6)
(8)
(62)
(5)
(3058)
(3225)
(338)
(64)
(21)
(17)
(14)
(9)
(9)
(37)
(39)
(16)
(11)
(6)
(188)
(5)
(3079)
(18)
(3167)
(827)
(117)
(198)
(76)
(328)
(70)
(50)
(38)
(70)
(166)
(39)
(107)
(39)
(24)
(2140)
(1495)
(7)
(17)
(5)
(164)
(26)
(6)
(164)
(89)
(51)
(8)
(7)
(7)
(1125)
(5)
(16)
(8)
(60)
(9047)
(53)
(91)
(17)
(5)
(77874)
(17)
(16)
(1026)
(5)
(28)
(5)
(5)
(7)
(5)
(5)
(25)
(9)
(8)
(275)
(36)
(6)
(299)
(5)
(5)
(125)
(7)
(119)
(123)
(602)
(92)
(7)
(79)
(8)
(9)
(4800)
(370)
(7)
(28)
(41)
(6032)
(6)
(5)
(18)
(204)
(36)
(95)
(153)
(13)
(87)
(51)
(29)
(92)
(6)
(5)
(10)
(6)
(441)
(22)
(72)
(12)
(5)
(7)
(12)
(691)
(12)
(175)
(502)
(195)
(10)
(40)
(55)
(21)
(49)
(6)
(8)
(13)
(31)
(28)
(47)
(1357)
(571)
(14)
(12)
(15)
(665)
(222)
(52)
(15)
(9)
(32)
(13)
(1262)
(37)
(1551)
(14)
(6)
(11)
(5)
(35)
(17)
(29)
(5)
(345)
(6)
(399)
(11)
(15)
(1306)
(1216)
(100)
(264)
(134)
(127)
(13)
(12)
(436)
(12)
(144)
(42)
(77)
(17)
(8)
(8)
(101)
(20)
(24)
(5)
(21)
(7)
(6)
(8)
(104)
(17)
(7)
(11)
(782)
(377)
(2005)
(7559)
(6932)
(8)
(8)
(5)
(5)
(8)
(7612)
(6070)
(7)
(5)
(185)
(6)
(77393)
(4644)
(6)
(30)
(14)
(7)
(55)
(5)
(7)
(79)
(1433)
(152)
(828)
(51)
(1133)
(514)
(219)
(5)
(81)
(1619)
(109)
(5)
(57)
(2248)
(381)
(19)
(794)
(18)
(5)
(728)
(608)
(245)
(366)
(8)
(954)
(14)
(13)
(26)
(1021)
(2058)
(34)
(5)
(9)
(178)
(88)
(15)
(11)
(5059)
(12)
(10)
(5)
(29)
(11)
(1579)
(121)
(7)
(161)
(170)
(139)
(50)
(58)
(153)
(51)
(32)
(102)
(3072)
(6)
(8)
(28)
(6)
(14)
(795)
(190)
(36)
(399)
(9)
(8)
(16)
(18)
(22)
(86)
(727)
(255)
(9)
(10)
(1733)
(32)
(5)
(752)
(7)
(61)
(42)
(98)
(26)
(125)
(30)
(17)
(18)
(132)
(9)
(16)
(663)
(867)
(1243)
(22)
(11)
(20)
(50)
(6)
(880)
(2943)
(110)
(668)
(52)
(433)
(531)
(7)
(7)
(15)
(65)
(5)
(300)
(61)
(23)
(30)
(302)
(121)
(691)
(100)
(3077)
(305)
(8)
(17)
(14)
(5)
(246)
(8916)
(11)
(11)
(39)
(10)
(8)
(121)
(44)
(7)
(81)
(14)
0 of 1000
(76)
(64)
(38)
(49)
(38)
(50)
(50)
(113)
(79)
(94)
(60)
(38)
(45)
(36)
(51)
(110)
(245)
(56)
(60)
(80)
(278)
(83)
(106)
(43)
(57)
(139)
(49)
(126)
(36)
(45)
(74)
(42)
(43)
(72)
(37)
(98)
(39)
(225)
(42)
(38)
(69)
(71)
(64)
(115)
(54)
(77)
(62)
(37)
(152)
(138)
(52)
(51)
(43)
(38)
(63)
(68)
(36)
(48)
(67)
(49)
(52)
(45)
(55)
(172)
(63)
(39)
(59)
(38)
(86)
(41)
(39)
(67)
(59)
(50)
(45)
(54)
(55)
(36)
(102)
(127)
(40)
(65)
(53)
(81)
(69)
(65)
(53)
(42)
(78)
(58)
(147)
(43)
(45)
(95)
(38)
(46)
(47)
(88)
(91)
(37)
(45)
(85)
(78)
(37)
(55)
(38)
(66)
(45)
(56)
(82)
(45)
(59)
(76)
(159)
(62)
(41)
(128)
(86)
(40)
(88)
(109)
(70)
(47)
(74)
(60)
(175)
(36)
(42)
(38)
(41)
(41)
(93)
(42)
(60)
(75)
(65)
(919)
(84)
(48)
(37)
(46)
(182)
(45)
(36)
(60)
(36)
(60)
(129)
(100)
(71)
(63)
(39)
(147)
(40)
(88)
(37)
(76)
(41)
(43)
(108)
(39)
(42)
(243)
(58)
(77)
(124)
(37)
(41)
(89)
(44)
(41)
(41)
(56)
(126)
(61)
(47)
(132)
(59)
(54)
(49)
(56)
(61)
(38)
(48)
(37)
(45)
(54)
(138)
(45)
(71)
(38)
(37)
(55)
(72)
(136)
(36)
(103)
(81)
(48)
(112)
(43)
(87)
(81)
(37)
(36)
(51)
(82)
(41)
(42)
(50)
(41)
(52)
(45)
(58)
(41)
(79)
(44)
(52)
(51)
(66)
(171)
(48)
(38)
(156)
(88)
(49)
(37)
(45)
(99)
(53)
(126)
(41)
(67)
(71)
(222)
(86)
(51)
(100)
(41)
(39)
(50)
(42)
(39)
(37)
(38)
(70)
(85)
(140)
(44)
(55)
(52)
(171)
(38)
(42)
(38)
(167)
(40)
(48)
(37)
(74)
(109)
(68)
(39)
(86)
(58)
(41)
(39)
(55)
(67)
(54)
(56)
(213)
(155)
(37)
(59)
(75)
(82)
(41)
(52)
(87)
(82)
(38)
(43)
(87)
(83)
(56)
(54)
(65)
(47)
(56)
(62)
(81)
(208)
(47)
(73)
(61)
(47)
(185)
(38)
(45)
(46)
(106)
(43)
(78)
(93)
(44)
(85)
(40)
(45)
(62)
(53)
(48)
(40)
(97)
(38)
(56)
(56)
(49)
(67)
(146)
(44)
(42)
(46)
(53)
(45)
(125)
(39)
(60)
(74)
(138)
(85)
(249)
(75)
(87)
(37)
(253)
(96)
(78)
(66)
(172)
(92)
(37)
(78)
(55)
(83)
(44)
(60)
(60)
(112)
(37)
(36)
(134)
(59)
(45)
(77)
(252)
(64)
(40)
(89)
(36)
(117)
(54)
(108)
(79)
(153)
(68)
(38)
(194)
(43)
(85)
(58)
(45)
(62)
(52)
(38)
(75)
(49)
(61)
(44)
(88)
(49)
(49)
(48)
(43)
(96)
(49)
(41)
(93)
(121)
(109)
(46)
(158)
(47)
(69)
(51)
(92)
(48)
(81)
(108)
(44)
(43)
(100)
(45)
(42)
(56)
(37)
(58)
(94)
(44)
(75)
(78)
(36)
(94)
(51)
(39)
(82)
(209)
(65)
(59)
(69)
(37)
(108)
(239)
(51)
(44)
(104)
(67)
(55)
(48)
(46)
(45)
(53)
(50)
(39)
(82)
(48)
(47)
(49)
(54)
(38)
(59)
(63)
(70)
(41)
(70)
(92)
(153)
(45)
(55)
(70)
(67)
(52)
(72)
(54)
(60)
(47)
(36)
(100)
(37)
(62)
(249)
(80)
(37)
(40)
(49)
(39)
(42)
(97)
(40)
(106)
(44)
(91)
(36)
(129)
(39)
(91)
(55)
(36)
(65)
(51)
(43)
(65)
(37)
(72)
(44)
(91)
(154)
(40)
(75)
(42)
(55)
(54)
(39)
(61)
(43)
(61)
(59)
(55)
(84)
(174)
(45)
(120)
(45)
(245)
(61)
(64)
(93)
(38)
(79)
(69)
(87)
(63)
(65)
(93)
(71)
(68)
(56)
(44)
(122)
(101)
(44)
(55)
(62)
(49)
(74)
(46)
(36)
(44)
(107)
(56)
(60)
(46)
(160)
(43)
(75)
(44)
(36)
(37)
(57)
(46)
(68)
(37)
(52)
(55)
(40)
(37)
(41)
(58)
(65)
(42)
(36)
(116)
(47)
(127)
(46)
(54)
(89)
(79)
(42)
(77)
(103)
(53)
(54)
(37)
(72)
(84)
(44)
(67)
(63)
(46)
(57)
(40)
(105)
(53)
(100)
(78)
(54)
(176)
(39)
(37)
(113)
(108)
(70)
(61)
(36)
(40)
(47)
(155)
(96)
(93)
(37)
(87)
(47)
(36)
(98)
(38)
(64)
(67)
(84)
(51)
(48)
(201)
(48)
(44)
(64)
(81)
(48)
(37)
(39)
(37)
(52)
(186)
(36)
(44)
(40)
(103)
(41)
(41)
(86)
(58)
(40)
(44)
(41)
(58)
(171)
(42)
(68)
(85)
(36)
(43)
(36)
(45)
(52)
(40)
(54)
(43)
(50)
(37)
(47)
(91)
(37)
(43)
(49)
(122)
(44)
(42)
(36)
(46)
(56)
(152)
(44)
(73)
(263)
(36)
(47)
(49)
(55)
(55)
(156)
(144)
(45)
(130)
(149)
(41)
(37)
(99)
(67)
(45)
(65)
(36)
(38)
(67)
(134)
(60)
(37)
(58)
(65)
(51)
(45)
(153)
(36)
(49)
(65)
(122)
(44)
(79)
(144)
(39)
(52)
(51)
(48)
(39)
(105)
(37)
(37)
(36)
(93)
(47)
(162)
(38)
(44)
(36)
(166)
(57)
(152)
(55)
(119)
(38)
(40)
(101)
(58)
(47)
(49)
(41)
(111)
(61)
(72)
(41)
(43)
(43)
(42)
(41)
(150)
(58)
(42)
(43)
(64)
(84)
(53)
(103)
(53)
(43)
(78)
(103)
(41)
(109)
(59)
(36)
(132)
(41)
(66)
(54)
(53)
(96)
(46)
(119)
(72)
(68)
(36)
(47)
(36)
(216)
(39)
(57)
(40)
(59)
(172)
(52)
(65)
(92)
(57)
(264)
(43)
(43)
(95)
(37)
(38)
(81)
(82)
(76)
(43)
(85)
(39)
(167)
(68)
(92)
(51)
(63)
(65)
(50)
(70)
(125)
(36)
(123)
(37)
(70)
(52)
(39)
(40)
(61)
(65)
(36)
(45)
(88)
(154)
(47)
(274)
(71)
(40)
(53)
(53)
(49)
(189)
(36)
(57)
(55)
(113)
(40)
(37)
(46)
(43)
(65)
(44)
(95)
(227)
(42)
(79)
(39)
(227)
(69)
(162)
(39)
(82)
(49)
(87)
(55)
(96)
(62)
(86)
(113)
(47)
(76)
(40)
(43)
(65)
(44)
(45)
(121)
(51)
(109)
(54)
(55)
(46)
(40)
(40)
(55)
(51)
(79)
(90)
(58)
(53)
(51)
(37)
(50)
(94)
(95)
(54)
(217)
(223)
(52)
(113)
(62)
(70)
(42)
(37)
(92)
(156)
(55)
(46)
(48)
(54)
(48)
(88)
(62)
(42)
(58)
(97)
(51)
(43)
(55)
(58)
(79)
(74)
(40)
(40)
(74)
(104)
(213)
(99)
(55)
(60)
(101)
(63)
(55)
(52)
(69)
(95)
(105)
(121)
(61)
(85)
(69)
(39)
(54)
(59)
(289)
(42)
(59)
(72)
(194)
(112)
(86)
(99)
(111)
(38)
(59)
(70)
(80)
(46)
(55)
(88)
(189)
(41)
(41)
(119)
(59)
(51)
(61)
(50)
(71)
(43)
(48)
(135)
(84)
(50)
(48)
(85)
(38)
(102)
(68)
(62)
(51)
(130)
(37)
(128)
(59)
(39)
(108)
(73)
(48)
(53)
(45)
(63)
(47)
(106)
(63)
(46)
(59)
(45)
(45)
(178)
(83)
(82)
(39)
(58)
(48)
(40)
(76)
(54)
(66)
(74)
(45)
(42)
(42)
(71)
(99)
(89)
(97)
(119)
(64)
(53)
(49)
(39)
(64)
(42)
(98)
(101)
(51)
(40)
(53)
(90)
(59)
(50)
(137)
(80)
(38)
(52)
(79)
(71)
(54)
0 of 1000
(1)
(6)
(1)
(1)
(10)
(1)
(3)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(64)
(1)
(65)
(6)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(6)
(18)
(1)
(1)
(1)
(1)
(9)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(68)
(85)
(1)
(121)
(117)
(1)
(1)
(270)
(1)
(1)
(1)
(1)
(69)
(1)
(7)
(1)
(2)
(3)
(6)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(6)
(1)
(2)
(2)
(1)
(21)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(144)
(1)
(2)
(2)
(2)
(1)
(1)
(3)
(1)
(2)
(1)
(2)
(9)
(2)
(1)
(1)
(1)
(1)
(1)
(6)
(2)
(1)
(1)
(1)
(44)
(2)
(1)
(7)
(3)
(5)
(1)
(1)
(5)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(2)
(57)
(1)
(48)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(4)
(1)
(1)
(18)
(3)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(685)
(1)
(5)
(1)
(2)
(11)
(66)
(46)
(1)
(1)
(1)
(8)
(2)
(8)
(35)
(9)
(2)
(1)
(4)
(1)
(1)
(1)
(6)
(5)
(105)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(2)
(1)
(8)
(2)
(1)
(27)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(31)
(2)
(2)
(1)
(1)
(1)
(6)
(1)
(7)
(2)
(1)
(3)
(1)
(1)
(1)
(19)
(10)
(1)
(1)
(1)
(4)
(1)
(2)
(4)
(1)
(1)
(1)
(1)
(1)
(20)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(14)
(14)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(192)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(5)
(1)
(3)
(23)
(1)
(1)
(1)
(2)
(1)
(3)
(2)
(2)
(134)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(231)
(1)
(1)
(1)
(1)
(11)
(1)
(1)
(1)
(2)
(13)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(39)
(1)
(2)
(21)
(21)
(1)
(1)
(4)
(245)
(1)
(52)
(1)
(1)
(1)
(1)
(217)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(5)
(3)
(1)
(1)
(1)
(228)
(48)
(53)
(1)
(210)
(3)
(1)
(1)
(188)
(3)
(184)
(47)
(47)
(1)
(1)
(4)
(1)
(1)
(1)
(2)
(1)
(6)
(1)
(2)
(1)
(1)
(1)
(1)
(35)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(5)
(1)
(1)
(1)
(22)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(6)
(6)
(2)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(54)
(1)
(1)
(2)
(3)
(14)
(12)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(9489)
(1)
(1)
(57)
(1)
(3)
(1)
(8)
(8)
(17)
(3)
(2)
(1)
(1)
(44)
(1)
(3)
(4)
(1)
(1)
(257)
(2)
(1)
(11)
(1)
(1)
(1)
(2)
(19)
(4)
(1)
(1)
(1)
(8)
(17)
(1)
(24)
(22)
(1)
(51)
(3)
(15)
(1)
(1)
(27)
(1)
(1)
(1)
(1)
(7)
(1)
(4)
(1)
(8)
(76)
(1)
(1)
(3)
(1)
(1)
(1)
(322)
(2)
(751)
(1)
(22)
(2)
(1)
(4)
(1)
(1)
(8)
(2)
(1)
(9)
(1)
(1)
(37)
(12)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(11)
(1)
(1)
(26)
(1)
(1)
(1)
(10)
(110)
(3)
(1)
(21)
(382)
(1)
(1)
(2)
(1)
(1)
(4)
(1)
(1)
(8)
(97)
(1)
(5)
(125)
(13)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(56)
(1)
(2)
(2)
(1)
(1)
(1)
(7)
(1)
(1)
(1)
(8)
(1)
(1)
(1)
(1)
(1)
(33)
(59)
(18)
(77)
(29)
(1)
(9)
(1)
(1)
(24)
(3)
(2)
(1)
(1)
(1)
(16)
(24)
(1)
(186)
(211)
(1)
(1)
(1)
(30)
(30)
(32)
(1)
(64)
(1)
(62)
(3)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(6)
(1)
(1)
(1)
(1)
(1)
(4)
(6)
(10)
(1)
(4)
(1)
(1)
(1)
(10)
(1)
(1)
(1)
(1)
(1)
(8)
(1)
(3)
(3)
(11)
(52)
(52)
(52)
(1)
(1)
(1)
(1)
(1)
(150)
(41)
(38)
(8)
(4)
(8)
(2)
(1)
(1)
(5)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(7)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(4)
(1)
(2)
(1)
(1)
(1)
(6)
(3)
(3)
(2)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(8)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(7)
(1)
(1)
(3)
(1)
(1)
(25)
(1)
(1)
(25)
(1)
(3)
(1)
(13)
(15)
(1)
(1)
(1)
(3)
(2)
(2)
(1)
(1)
(2)
(1)
(2)
(4)
(1)
(4)
(4)
(2064)
(1)
(1)
(1)
(1)
(3)
(5)
(2)
(1)
(19)
(1)
(13)
(1)
(1)
(8)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(12)
(1)
(1)
(4)
(2)
(1)
(1)
(1)
(1)
(4)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(68)
(8)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(12)
(4)
(5)
(1)
(2)
(19)
(2)
(1)
(1)
(5)
(1)
(1)
(3)
(1)
(20)
(5)
(1)
(1)
(1)
(1)
(1)
(10)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(38)
(94)
(283)
(1)
(1)
(1)
(1)
(4)
(5)
(1)
(1)
(1)
(1)
(8)
(1)
(2)
(1)
(3)
(1)
(3)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(84)
(8)
(2)
(19)
(4)
(3)
(14)
(7)
(2)
(715)
(127)
(49)
(48)
(2)
(4)
(34)
(34)
(2)
(34)
(12)
(106)
(106)
(2)
(14)
(2)
(2)
(5)
(5)
(2)
(45)
(45)
0 of 1000
(1)
(204)
(19)
(114)
(129)
(601)
(78)
(165)
(64)
(1)
(184)
(1)
(168)
(2319)
(981)
(10)
(63)
(257)
(699)
(1)
(115)
(1)
(1480)
(618)
(2268)
(224)
(7743)
(336)
(1)
(2911)
(6)
(197)
(342)
(33)
(1277)
(238)
(113)
(2)
(21)
(73)
(5134)
(5)
(51)
(116)
(4)
(26)
(95)
(1138)
(5)
(28)
(13)
(1)
(741)
(5)
(695)
(3)
(28)
(1364)
(4)
(9)
(47)
(2041)
(7)
(5)
(613)
(10)
(1)
(100)
(18)
(13)
(139)
(3)
(1)
(2)
(1)
(1108)
(6)
(1)
(5)
(3454)
(1238)
(37)
(375)
(663)
(243)
(13)
(371)
(7)
(273)
(535)
(363)
(2)
(1014)
(12)
(327)
(7)
(49)
(1235)
(138)
(33)
(75)
0 of 101
(2)
(2)
(2)
(2)
(2)
(3)
(589)
(2)
(3)
(3)
(2)
(1)
(6)
(1)
(4)
(8)
(4)
(35)
(3)
(2)
(2)
(108)
(4)
(909)
(3)
(3)
(3)
(3)
(17)
(1)
(3)
(4)
(3)
(420)
(6)
(6)
(3)
(2)
(3)
(3)
(3)
(2)
(2)
(2)
(2)
(76)
(2)
(2)
(67)
(2)
(2)
(2)
(2)
(184)
(3)
(2)
(18)
(2)
(2)
(3)
(2)
(35)
(2)
(27)
(2)
(3)
(228)
(2)
(2)
(2)
(2)
(2)
(28)
(2)
(19)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(38)
(1)
(27)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(56)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(831)
(2)
(2)
(2)
(2)
(2)
(2)
(1)
(2)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(3)
(4)
(7)
(7)
(1)
(2)
(13)
(4)
(1)
(1)
(6)
(9)
(3)
(3)
(1)
(1)
(1)
(1)
(2)
(8)
(5)
(2)
(2)
(6)
(2)
(2)
(3)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(6)
(5)
(1)
(1)
(3)
(2)
(2)
(4)
(13)
(2)
(1)
(3)
(3)
(1)
(6)
(9)
(1)
(4)
(1)
(1)
(11)
(2)
(7)
(2)
(1)
(1)
(156)
(29)
(3)
(1)
(2)
(1)
(6)
(1)
(2)
(1)
(1)
(1)
(1)
(13)
(1)
(3)
(5)
(1)
(1)
(1)
(6)
(1)
(4)
(20)
(3)
(1)
(6)
(2)
(7)
(8)
(1)
(40)
(8)
(5)
(1)
(12)
(6)
(19)
(2)
(4)
(5)
(8)
(1)
(4)
(33)
(5)
(3)
(1)
(1)
(3)
(1)
(25)
(10)
(1)
(3)
(8)
(3)
(7)
(1)
(1)
(1)
(2)
(2)
(1)
(2)
(1)
(7)
(1)
(1)
(2)
(4)
(1)
(1)
(7)
(1)
(1)
(2)
(4)
(1)
(6)
(1)
(1)
(5)
(1)
(2)
(14)
(1)
(2)
(2)
(2)
(4)
(10)
(2)
(1)
(4)
(2)
(1)
(1)
(1)
(3)
(1)
(1)
(8)
(1)
(1)
(6)
(7)
(18)
(1)
(1)
(6)
(2)
(3)
(4)
(3)
(3)
(2)
(3)
(1)
(2)
(3)
(1)
(2)
(3)
(1)
(2)
(1)
(1)
(1)
(3)
(1)
(3)
(1)
(1)
(2)
(1)
(2)
(6)
(8)
(5)
(8)
(1)
(1)
(1)
(19)
(3)
(3)
(7)
(6)
(3)
(4)
(6)
(1)
(1)
(3)
(1)
(4)
(4)
(1)
(1)
(3)
(1)
(2)
(15)
(1)
(3)
(1)
(3)
(2)
(4)
(4)
(1)
(3)
(2)
(3)
(3)
(7)
(1)
(1)
(29)
(3)
(2)
(5)
(3)
(3)
(27)
(20)
(1)
(1)
(3)
(5)
(1)
(2)
(1)
(1)
(1)
(1)
(5)
(4)
(1)
(7)
(1)
(63)
(1)
(1)
(43)
(1)
(31)
(2)
(7)
(13)
(1)
(1)
(3)
(11)
(30)
(8)
(6)
(1)
(3)
(5)
(1)
(36)
(1)
(1)
(1)
(31)
(2)
(1)
(107)
(4)
(1)
(3)
(1)
(11)
(3)
(32)
(1)
(1)
(9)
(1)
(1)
(9)
(1)
(15)
(1)
(41)
(1)
(14)
(1)
(2)
(39)
(1)
(5)
(3)
(2)
(1)
(8)
(20)
(2)
(83)
(1)
(3)
(1)
(1)
(1)
(17)
(25)
(1)
(3)
(7)
(4)
(2)
(2)
(6)
(5)
(4)
(1)
(16)
(10)
(14)
(1)
(5)
(4)
(12)
(3)
(6)
(1)
(1)
(1)
(3)
(4)
(2)
(5)
(5)
(11)
(5)
(1)
(47)
(10)
(20)
(1)
(5)
(1)
(54)
(1)
(8)
(3)
(6)
(9)
(32)
(1)
(2)
(17)
(2)
(8)
(2)
(24)
(24)
(35)
(7)
(3)
(3)
(11)
(12)
(2)
(3)
(6)
(5)
(2)
(5)
(3)
(2)
(8)
(4)
(13)
(5)
(2)
(2)
(3)
(6)
(2)
(8)
(3)
(29)
(15)
(6)
(2)
(4)
(5)
(3)
(10)
(6)
(12)
(10)
(2)
(2)
(2)
(9)
(2)
(5)
(2)
(3)
(2)
(3)
(4)
(3)
(4)
(10)
(3)
(8)
(2)
(3)
(2)
(3)
(3)
(2)
(5)
(3)
(2)
(6)
(3)
(4)
(8)
(5)
(12)
(2)
(2)
(6)
(8)
(6)
(2)
(3)
(2)
(3)
(3)
(6)
(8)
(3)
(3)
(3)
(2)
(2)
(63)
(10)
(4)
(2)
(14)
(20)
(2)
(2)
(9)
(4)
(4)
(23)
(7)
(68)
(2)
(2)
(16)
(11)
(17)
(47)
(36)
(9)
(4)
(4)
(2)
(2)
(3)
(3)
(3)
(2)
(2)
(7)
(19)
(12)
(2)
(2)
(9)
(3)
(7)
(2)
(4)
(10)
(4)
(8)
(7)
(7)
(3)
(2)
(3)
(4)
(3)
(3)
(2)
(3)
(6)
(38)
(4)
(2)
(6)
(4)
(13)
(11)
(4)
(2)
(2)
(3)
(3)
(2)
(17)
(2)
(3)
(2)
(2)
(44)
(11)
(5)
(15)
(35)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(7)
(2)
(2)
(8)
(16)
(2)
(2)
(5)
(3)
(14)
(2)
(3)
(3)
(4)
(2)
(2)
(3)
(2)
(2)
(5)
(60)
(2)
(10)
(4)
(4)
(2)
(5)
(2)
(3)
(2)
(3)
(2)
(4)
(8)
(3)
(8)
(5)
(2)
(10)
(3)
(6)
(2)
(6)
(16)
(2)
(3)
(15)
(2)
(10)
(2)
(2)
(3)
(13)
(21)
(47)
(8)
(6)
(2)
(5)
(143)
(9)
(2)
(3)
(9)
(22)
(9)
(2)
(2)
(2)
(59)
(2)
(41)
(5)
(5)
(9)
(6)
(2)
(6)
(3)
(4)
(8)
(2)
(4)
(6)
(4)
(6)
(2)
(2)
(7)
(3)
(14)
(7)
(3)
(44)
(4)
(23)
(24)
(2)
(5)
(7)
(51)
(2)
(3)
(14)
(2)
(3)
(8)
(23)
(3)
(6)
(10)
(2)
(9)
(3)
(7)
(7)
(2)
(27)
(2)
(9)
(35)
(5)
(1)
(2)
(4)
(2)
(1)
(5)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(5)
(1)
(1)
(3)
(1)
(4)
(2)
(2)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(7)
(21)
(1)
(8)
(2)
(11)
(8)
(1)
(1)
(1)
(4)
(1)
(1)
(7)
(1)
(1)
(6)
(1)
(2)
(1)
(2)
(14)
(1)
(1)
(2)
(20)
(7)
(2)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(11)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(2)
(1)
(3)
(2)
(1)
(8)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(3)
(2)
(1)
(1)
(2)
(6)
(2)
(2)
(2)
(2)
(3)
(2)
(3)
(3)
(3)
(2)
(7)
(2)
(2)
(2)
(2)
(2)
(2)
(10)
(2)
(6)
(2)
(4)
(2)
(2)
(4)
(2)
(12)
(2)
(2)
(3)
(19)
(3)
(4)
(6)
(14)
(5)
(10)
(3)
(5)
(4)
(30)
(2)
(5)
(3)
(2)
(6)
(5)
(3)
(2)
(3)
(4)
(5)
(2)
(4)
(3)
(4)
(29)
(2)
(5)
(23)
(16)
(4)
(2)
(5)
(3)
(8)
(2)
(5)
(2)
(4)
(18)
(3)
0 of 1000
(2563)
(2)
(23)
(30)
(1)
(4)
(1)
(2225)
(1)
(118)
(16)
(4)
(28)
(1)
(7)
(56)
(140)
(366)
(75)
(255)
(87)
(94)
(559)
(194)
(2)
(3)
(4)
(1)
(7)
(510)
(1195)
(10)
(2)
(2)
(8)
(4)
(2853)
(1927)
(7)
(1)
(13)
(7)
(8)
(173)
(201)
(4)
(2)
(4)
(165)
(547)
(1)
(3)
(43)
(841)
(23)
(2)
(752)
(1)
(1)
(7)
(69)
(43)
(137)
(14)
(574)
(526)
(26)
(137)
(80)
(38)
(47)
(62)
(15)
(44)
(26)
(7)
(1491)
(136)
(4)
(2)
(1)
(348)
(1)
(372)
(8)
(5)
(17)
(1)
(32)
(3)
(1)
(143)
(5)
(66)
(4)
(191)
(18)
0 of 97
(4)
(17)
(111)
(15)
(21)
(269)
(23)
(13)
(3)
(397)
(429)
(11)
(79)
(36)
(9)
(41)
(3)
(8)
(4)
(16)
(17)
(5)
(1)
(3)
(5)
(6)
(73)
(2)
(20)
(44)
(35)
(92)
(22)
(22)
(47)
(18)
(113)
(3)
(18)
(9)
(13)
(4)
(11)
(1)
(10)
(38)
(3)
(9)
(17)
(10)
(24)
(12)
(9)
(24)
(2)
(10)
0 of 56
(456)
(3)
(14)
(173)
(887)
(392)
(40)
(2812)
(618)
(2)
(239)
(44)
(100)
(121)
(55)
(281)
(7)
(103)
(207)
(19)
(110)
(1)
(96)
(100)
(824)
(160)
(215)
(218)
(229)
(3)
(258)
(41)
(15)
(30)
(4)
(75)
(511)
(44)
(27)
(74)
(113)
(35)
0 of 42
(47018)
(27894)
(2)
0 of 3
(1)
(635)
(5688)
(5)
(3)
(6)
(280)
(44)
(1)
(1)
(213)
(43)
(1851)
(28)
(2)
(1)
(1744)
(79)
(1)
(27)
(1)
(129)
(1)
(5)
(3)
(28)
(907)
(6425)
(1)
(406)
(1)
(15)
(4)
(10)
(1)
(396)
(1)
(2)
(2)
(1191)
(8)
(716)
(1)
(8356)
(3339)
(294)
(1754)
(1)
(3)
(952)
(21)
(1)
(9)
(1)
(206)
(1)
(114)
(2)
(21)
(2)
(5)
(2)
(1)
(282)
(188)
(5)
(33109)
(3)
(302)
(28)
(1)
(8)
(4)
(4)
(4)
(8)
(5)
(6)
(1076)
(7)
(1)
(926)
(3)
(526)
(788)
(1)
(1)
(137)
(1)
(4)
(1)
(58)
(154)
(4)
(12)
(1)
(3)
(60)
(5)
(6148)
(44)
(3)
(5678)
(116)
(1)
(4)
(216)
(1)
(156)
(1)
(3)
(2)
(20)
(14)
(300)
(145)
(2)
(330)
(293)
(17)
(17)
(169)
(2)
(88)
0 of 124
(3076)
(912)
(3756)
(373)
(478)
(356)
(835)
(3821)
(539)
(661)
(228)
(308)
(1504)
(1285)
(1039)
(548)
(642)
(269)
(466)
(1291)
(627)
(322)
(1694)
(506)
(246)
(371)
(734)
(2376)
(145)
(1080)
(144)
(413)
(373)
(139)
(380)
(313)
(636)
(536)
(235)
(1420)
(232)
(210)
(647)
(173)
(1008)
(148)
(304)
(187)
(144)
(197)
(161)
(429)
(232)
(254)
(162)
(358)
(327)
(353)
(206)
(368)
(473)
(1190)
(410)
(1083)
(175)
(221)
(247)
(255)
(1390)
(147)
(1905)
(647)
(201)
(151)
(231)
(140)
(153)
(243)
(298)
(154)
(387)
(236)
(157)
(157)
(147)
(182)
(524)
(188)
(504)
(175)
(1366)
(216)
(183)
(154)
(309)
(147)
(167)
(151)
(211)
(1015)
(342)
(151)
(512)
(188)
(248)
(144)
(1206)
(159)
(147)
(1271)
(297)
(142)
(159)
(156)
(241)
(140)
(141)
(237)
(195)
(299)
(258)
(616)
(189)
(169)
(1404)
(516)
(218)
(178)
(143)
(170)
(464)
(349)
(1048)
(187)
(458)
(263)
(294)
(424)
(601)
(404)
(178)
(367)
(157)
(484)
(257)
(412)
(534)
(199)
(141)
(143)
(376)
(672)
(198)
(540)
(320)
(388)
(200)
(218)
(700)
(386)
(244)
(261)
(305)
(1295)
(271)
(184)
(253)
(176)
(142)
(163)
(141)
(172)
(189)
(358)
(519)
(1348)
(186)
(155)
(250)
(153)
(461)
(406)
(288)
(740)
(154)
(163)
(212)
(148)
(361)
(236)
(340)
(236)
(246)
(1470)
(558)
(1458)
(295)
(306)
(1657)
(251)
(723)
(141)
(865)
(397)
(1288)
(151)
(158)
(189)
(514)
(432)
(200)
(208)
(341)
(255)
(143)
(248)
(262)
(184)
(147)
(168)
(169)
(1308)
(615)
(185)
(369)
(152)
(160)
(264)
(321)
(245)
(170)
(169)
(446)
(176)
(268)
(780)
(186)
(230)
(151)
(151)
(632)
(297)
(252)
(633)
(410)
(261)
(605)
(231)
(1102)
(468)
(564)
(229)
(159)
(534)
(1125)
(1969)
(174)
(451)
(228)
(214)
(247)
(238)
(268)
(928)
(239)
(210)
(502)
(182)
(193)
(166)
(151)
(820)
(294)
(194)
(147)
(392)
(293)
(283)
(972)
(316)
(402)
(171)
(845)
(541)
(425)
(269)
(252)
(269)
(776)
(208)
(148)
(188)
(172)
(177)
(201)
(4813)
(225)
(890)
(915)
(645)
(540)
(199)
(383)
(312)
(303)
(333)
(2120)
(204)
(294)
(170)
(239)
(219)
(2593)
(3875)
(1035)
(824)
(1372)
(176)
(2034)
(163)
(201)
(212)
(150)
(241)
(257)
(559)
(683)
(1804)
(669)
(1302)
(537)
(329)
(209)
(677)
(497)
(233)
(903)
(376)
(223)
(226)
(205)
(671)
(195)
(266)
(199)
(256)
(148)
(144)
(180)
(176)
(359)
(245)
(196)
(158)
(204)
(410)
(397)
(169)
(543)
(311)
(202)
(738)
(333)
(159)
(383)
(233)
(426)
(165)
(354)
(265)
(402)
(306)
(253)
(190)
(193)
(317)
(232)
(1082)
(815)
(187)
(161)
(196)
(384)
(220)
(1802)
(532)
(569)
(620)
(466)
(1102)
(1314)
(350)
(390)
(263)
(179)
(870)
(512)
(223)
(387)
(672)
(141)
(290)
(992)
(222)
(222)
(567)
(201)
(295)
(294)
(215)
(159)
(175)
(513)
(301)
(207)
(176)
(315)
(154)
(201)
(143)
(178)
(279)
(244)
(506)
(163)
(200)
(198)
(164)
(246)
(4763)
(215)
(154)
(154)
(227)
(194)
(227)
(428)
(207)
(578)
(143)
(253)
(442)
(215)
(357)
(475)
(509)
(159)
(189)
(202)
(265)
(173)
(256)
(981)
(220)
(187)
(200)
(333)
(187)
(429)
(454)
(150)
(230)
(315)
(548)
(413)
(357)
(657)
(151)
(7107)
(4746)
(2133)
(303)
(570)
(427)
(169)
(186)
(250)
(282)
(309)
(598)
(169)
(230)
(2396)
(323)
(1063)
(171)
(815)
(433)
(323)
(156)
(318)
(228)
(262)
(149)
(235)
(158)
(213)
(140)
(167)
(162)
(279)
(254)
(297)
(147)
(156)
(757)
(518)
(436)
(795)
(1123)
(257)
(675)
(659)
(161)
(231)
(159)
(452)
(246)
(282)
(214)
(392)
(356)
(271)
(292)
(275)
(144)
(161)
(291)
(148)
(262)
(1141)
(257)
(391)
(180)
(147)
(244)
(318)
(163)
(478)
(550)
(206)
(539)
(170)
(270)
(260)
(148)
(215)
(206)
(263)
(2634)
(233)
(185)
(891)
(147)
(373)
(284)
(271)
(236)
(181)
(166)
(625)
(150)
(140)
(156)
(176)
(175)
(620)
(239)
(165)
(140)
(159)
(547)
(313)
(169)
(167)
(936)
(176)
(177)
(768)
(634)
(2617)
(225)
(996)
(159)
(2421)
(193)
(232)
(166)
(537)
(539)
(419)
(467)
(364)
(154)
(1134)
(1166)
(294)
(351)
(550)
(183)
(505)
(801)
(973)
(281)
(146)
(159)
(245)
(468)
(928)
(1535)
(758)
(274)
(457)
(317)
(347)
(1278)
(192)
(216)
(197)
(166)
(316)
(295)
(180)
(6162)
(796)
(163)
(1477)
(2241)
(1723)
(707)
(1782)
(154)
(692)
(198)
(238)
(693)
(513)
(353)
(187)
(357)
(207)
(801)
(560)
(155)
(361)
(733)
(699)
(3663)
(1987)
(1831)
(625)
(296)
(240)
(799)
(172)
(205)
(155)
(1311)
(194)
(405)
(465)
(326)
(256)
(139)
(337)
(204)
(554)
(309)
(172)
(339)
(151)
(657)
(198)
(148)
(440)
(619)
(823)
(1092)
(1727)
(378)
(449)
(489)
(581)
(349)
(154)
(147)
(212)
(181)
(173)
(177)
(166)
(382)
(329)
(790)
(244)
(147)
(2240)
(209)
(161)
(207)
(334)
(142)
(251)
(166)
(183)
(801)
(1900)
(252)
(946)
(787)
(404)
(258)
(203)
(146)
(141)
(160)
(200)
(404)
(161)
(180)
(454)
(264)
(178)
(293)
(643)
(360)
(217)
(288)
(500)
(206)
(145)
(297)
(596)
(192)
(158)
(295)
(169)
(198)
(236)
(335)
(213)
(151)
(151)
(268)
(891)
(164)
(794)
(491)
(214)
(258)
(208)
(157)
(324)
(893)
(1267)
(192)
(275)
(477)
(689)
(342)
(347)
(224)
(197)
(405)
(373)
(172)
(179)
(193)
(403)
(350)
(283)
(457)
(885)
(603)
(810)
(339)
(822)
(2800)
(195)
(143)
(149)
(465)
(284)
(152)
(893)
(239)
(1391)
(768)
(513)
(207)
(337)
(268)
(146)
(258)
(216)
(426)
(437)
(182)
(277)
(263)
(140)
(278)
(181)
(187)
(871)
(431)
(450)
(941)
(242)
(154)
(348)
(204)
(1091)
(504)
(758)
(3026)
(393)
(152)
(222)
(191)
(189)
(771)
(2281)
(3451)
(256)
(492)
(2358)
(259)
(171)
(155)
(243)
(372)
(236)
(179)
(1048)
(182)
(215)
(193)
(2900)
(310)
(2139)
(3361)
(1495)
(158)
(2430)
(1342)
(1103)
(218)
(1108)
(356)
(802)
(1381)
(452)
(352)
(325)
(1483)
(311)
(748)
(193)
(147)
(145)
(312)
(414)
(620)
(200)
(233)
(162)
(232)
(209)
(873)
(229)
(356)
(462)
(325)
(256)
(306)
(258)
(351)
(724)
(418)
(145)
(218)
(263)
(226)
(193)
(240)
(177)
(296)
(587)
(205)
(635)
(486)
(248)
(598)
(210)
(330)
(704)
(3552)
(1124)
(293)
(937)
(199)
(194)
(141)
(1851)
(156)
(1369)
(504)
(258)
(305)
(240)
(157)
(261)
(263)
(145)
(142)
(140)
(286)
(473)
(897)
(429)
(356)
(212)
(156)
(291)
(141)
(1283)
(634)
(636)
(3845)
(292)
(210)
(3685)
(927)
(332)
(460)
(594)
(246)
(430)
(160)
(455)
(1690)
(735)
(615)
(311)
(475)
(157)
(422)
(151)
(1287)
(240)
(200)
(922)
(209)
(381)
(250)
(324)
(164)
(167)
(202)
(191)
(267)
(236)
(226)
(162)
(179)
(225)
(184)
(315)
(337)
(162)
(3008)
(1918)
(1560)
(144)
(3069)
(255)
(1880)
(246)
(1782)
(3158)
(2067)
(2167)
(180)
(922)
(4200)
(953)
(374)
(201)
(472)
(173)
(508)
(1601)
(247)
(169)
(436)
(307)
(625)
(589)
(336)
0 of 1000
(1)
(1)
0 of 2
Showing 1 - 20 of 82778 results
  • Safety in Manual Materials Handling
    Safety in Manual Materials Handling
    1978/07/01 | NIOSH Numbered Publications
    Papers given at a symposium on manual materials handling safety are presented. The symposium was held in July, 1976 at State University of New York at Buffalo. Contributions on the following topics are included: measurements and standards; models of human performance; factors affecting performance; and implementing manual materials handling researc ...
    Public Domain
  • Vibration White Finger Disease in US Workers Using Pneumatic Chipping and Grinding Hand Tools II Engineering Testing
    Vibration White Finger Disease in U.S. Workers Using Pneumatic Chipping and Grinding Hand Tools II: Engineering Testing
    Basel S ;
    Behrens, Virginia
    1981/08/01 | NIOSH Numbered Publications
    The engineering and measurements testing of a past study of vibration white finger (VWF) disease in workers using pneumatic chipping and grinding hand tools is summarized. The historical background of VWF is reviewed. Acceleration, vibration energy, and dynamic compliance measurements made on 67 workers who operated chipper and grinding tools are d ...
    Public Domain
  • Audiovisual Resources in Occupational Safety and Health
    Audiovisual Resources in Occupational Safety and Health
    Tucker ME
    1981/10/01 | NIOSH Numbered Publications
    Audiovisual aids for occupational safety and health training are listed. Entries are arranged alphabetically by title and medium, by main entry, and by subject, and a listing of distributors is included. A brief summary of the content of each item is provided together with its distributor, sale and rental costs, availability centers, and targeted a ...
    Public Domain
  • Health Hazard Alert Benzidine OTolidine and ODianisidine Based Dyes
    Health Hazard Alert: Benzidine-, O-Tolidine, and O-Dianisidine- Based Dyes
    National Institute for Occupational Safety and Health
    1980/12/01 | NIOSH Numbered Publications
    Studies on the carcinogenicity and metabolism of benzidine (92875), o-tolidine (119937), and o-dianisidine (119904) based dyes are reviewed. Results of animal and human experiments are summarized. The authors conclude that exposure of workers to benzidine based dyes should be discontinued or reduced to the lowest possible concentrations. Exposure t ...
    Public Domain
  • Current Intelligence Bulletin 37 Ethylene Dibromide EDB Revised
    Current Intelligence Bulletin 37 – Ethylene Dibromide (EDB) (Revised)
    National Institute for Occupational Safety and Health
    1981/10/26 | NIOSH Numbered Publications
    Information on the hazards of ethylene-dibromide (106934) (EDB) exposure is reviewed. The production and use of EDB is discussed and exposure standards and guidelines proposed by OSHA, NIOSH, the American Conference of Governmental Industrial Hygienists, and by the California's Division of OSHA are included. Data also is provided on the magnitude o ...
    Public Domain
  • Current Intelligence Bulletin 36 Silica Flour Silicosis Crystalline Silica with Reference Package
    Current Intelligence Bulletin 36 – Silica Flour: Silicosis (Crystalline Silica) (with Reference Package)
    National Institute for Occupational Safety and Health
    1981/06/30 | NIOSH Numbered Publications
    The relationship between silica (7631869) flour exposure and development of silicosis is discussed. Development and characteristics of silicosis are described. Industrial uses for silica flour are reviewed and recommended exposure limits are provided. Published reports of silicosis among exposed workers are summarized, and the findings of studies c ...
    Public Domain
  • Recirculation of Exhaust Air
    Recirculation of Exhaust Air
    1976/02/01 | NIOSH Numbered Publications
    Technical performance criteria for recirculated exhaust air systems are outlined and the proceedings of a seminar assembled to review these criteria are outlined. The criteria reflects contaminant toxicity, the requirements for air monitoring and air cleaning equipment, reliability analyses of fail safe systems, and theoretical modeling of system p ...
  • NIOSH Pocket Guide to Chemical Hazards 78210 Fifth Printing Superseded
    NIOSH Pocket Guide to Chemical Hazards (78–210, Fifth Printing) (Superseded)
    National Institute for Occupational Safety and Health
    1985/09/01 | NIOSH Numbered Publications
    This document has been superseded and the new version can be found https://www.cdc.gov/niosh/npg/. The NIOSH Pocket Guide to chemical hazards is presented. The guide contains information taken in part from NIOSH or OSHA occupational health guidelines for chemical hazards. Data was also obtained from recognized text books in the fields of industrial ...
    Public Domain
  • Microbial Flora and Fauna of Respirable Grain Dust from Grain Elevators
    Microbial Flora and Fauna of Respirable Grain Dust from Grain Elevators
    Burkholder WE ;
    Caldwell RW
    1986/04/01 | NIOSH Numbered Publications
    An identification and quantitative analysis was made of the fungi, thermophilic actinomycetes, bacteria, insects, and mites present in respirable dust and bulk dust samples collected in grain elevators in the Duluth/Superior area. Respirable dust samples were taken with personal air samplers for over 250 grain elevator workers during standard work ...
  • Working in Hot Environments Superseded
    Working in Hot Environments (Superseded)
    National Institute for Occupational Safety and Health
    1986/04/01 | NIOSH Numbered Publications
    This document has been superseded and the new version can be found https://www.cdc.gov/niosh/docs/2011-174/. This revised pamphlet is intended to provide employers and workers with and overview of the health hazards associated with work in hot environments, and to alert them to the precautions which should be taken to prevent injuries and other hea ...
    Public Domain
  • Current Intelligence Bulletin 22 Ethylene Thiourea
    Current Intelligence Bulletin 22 – Ethylene Thiourea
    National Institute for Occupational Safety and Health
    1978/04/11 | NIOSH Numbered Publications
    Occupational hazards associated with ethylene-thiourea (96457) are reviewed. NIOSH recommends that ethylene-thiourea be handled in the workplace as though it were a human carcinogen and teratogen. Ethylene-thiourea is a white crystalline solid used as an accelerator in the curing of neoprene and other elastomers. Approximately 3,500 workers may be ...
    Public Domain
  • Request for Assistance in Preventing Fatalities Due to Fires and Explosions in OxygenLimiting Silos
    Request for Assistance in Preventing Fatalities Due to Fires and Explosions in Oxygen-Limiting Silos
    National Institute for Occupational Safety and Health
    1986/07/01 | NIOSH Numbered Publications
    The assistance of fire department personnel, farm owners and workers, as well as silo manufacturers, was sought in helping to prevent loss of life due to fires and explosions in oxygen limiting silos. Fires occur in such silos due to the improper closing or sealing of hatches, which results in enough oxygen entering the silo to support spontaneous ...
    Public Domain
  • Request for Assistance in Preventing Grain Auger Electrocutions
    Request for Assistance in Preventing Grain Auger Electrocutions
    National Institute for Occupational Safety and Health
    1986/07/01 | NIOSH Numbered Publications
    The assistance of farm owners, managers, agricultural workers, and equipment manufacturers in the prevention of electrocutions while moving metal grain augers was requested by NIOSH. A total of five fatalities occurred in two accidents while farm workers were using grain augers. In each case the workers were using the equipment in an elevated posit ...
    Public Domain
  • Surveillance Cooperative Agreement Between NIOSH and States SCANS Program Rhode Island 19801982
    Surveillance Cooperative Agreement Between NIOSH and States (SCANS) Program. Rhode Island 1980–1982
    Gute, David M. ;
    Kelley BC
    1986/02/01 | NIOSH Numbered Publications
    This report summarizes Surveillance Cooperative Agreement between NIOSH and States (SCANS) Program activities undertaken by the Rhode Island Department of Health during September 1980 to February 1982. The report covers the use of population based measures of mortality in assessing occupational hazards, the use of Sentinel Health Event (SHE) concep ...
  • NIOSH Certified Equipment List as of October 1 1985
    NIOSH Certified Equipment List as of October 1, 1985
    National Institute for Occupational Safety and Health
    1985/10/01 | NIOSH Numbered Publications
    The NIOSH certified equipment list of coal mine dust personal sampler units and respiratory protective devices updated to October 1, 1985 is presented. The publication was prepared by the Certification Branch (CB), Division of Safety Research, NIOSH. Other functions of the CB include publishing certification requirements, testing and certifying pro ...
    Public Domain
  • NIOSH Certified Equipment List as of October 1 1984
    NIOSH Certified Equipment List as of October 1, 1984
    National Institute for Occupational Safety and Health
    1985/02/01 | NIOSH Numbered Publications
    This publication included lists of products certified as of October 1, 1984 for use in coal mines including dust sampling units and respiratory protective devices, and tables of useful information concerning the certified units including the identification of approved component parts. The lists of approval applicants, and a list of test procedures ...
    Public Domain
  • NIOSH Occupational Safety and Health Thesaurus
    NIOSH Occupational Safety and Health Thesaurus
    National Institute for Occupational Safety and Health
    1973/10/01 | NIOSH Numbered Publications
    This thesaurus was a computer generated vocabulary of technical and scientific terms related to disciplines which contribute to the general area of occupational safety and health. This thesaurus was intended to be used in the indexing and abstracting practices for the NIOSH databases. The abstracter or indexer was to use use terms in the thesaurus ...
    Public Domain
  • NIOSH Program Plan by Program Areas Fiscal Years 19841989
    NIOSH Program Plan by Program Areas. Fiscal Years 1984–1989
    National Institute for Occupational Safety and Health
    1984/02/01 | NIOSH Numbered Publications
    This Program Plan represents the culmination of a systematic process for improving the planning of the scientific research conducted by the NIOSH over a period of 5 years. Efforts have been made to specifically strengthen the mechanisms to assure scientific excellence in the research and recommendations of NIOSH, to focus the scientific activity of ...
    Public Domain
  • Current Intelligence Bulletins Summaries
    Current Intelligence Bulletins: Summaries
    National Institute for Occupational Safety and Health
    1988/09/01 | NIOSH Numbered Publications
    Summaries were offered of the current intelligence bulletins issued from January 20, 1975 to August of 1988. They include information on the following topics: chloroprene (126998), trichloroethylene (79016), ethylene-dibromide (106934), chrome pigment, asbestos (1332214), hexamethylphosphoric-triamide (680319), polychlorinated- biphenyls, 4,4'-diam ...
    Public Domain
  • Current Intelligence Bulletin 23 Ethylene Dibromide and Disulfiram Toxic Interaction with Reference Package
    Current Intelligence Bulletin 23 – Ethylene Dibromide and Disulfiram Toxic Interaction (with Reference Package)
    National Institute for Occupational Safety and Health
    1978/04/11 | NIOSH Numbered Publications
    A review of pertinent data and a preliminary report of NIOSH study findings regarding the toxic interaction of ethylene-dibromide (106934) (EDB) and disulfiram (97778) (DSF) were presented. Ethylene-dibromide has been used in leaded fuel, as an intermediate in pharmaceutical and dye synthesis, as a soil, grain and fruit fumigant and as a solvent. A ...
    Public Domain
1 - 20 / 82778