20 Radiation

8/16/2019 20 Radiation

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OSHA RADIATION PROTECTION

REQUIREMENTS

Ionizing Radiation 1910.96

Non-Ionizing Radiation 1910.97


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!at i" Radiation

# T!$ %&o'$"" o($)itting $n$&g* in t!$(o&) o( %a&ti'+$" o&,a$".

# Matt$&" i" 'o)%o"$do( $&*/ $&* ")a++ %a&ti'+$" 'a++$d ato)".

# Radiation 'o)$" (&o)ato)" t!at a&$ in t!$ %&o'$"" o( '!anging


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Radiation T*%$"

# Non-Ionizing Radiation i"i2+$ +ig!t3!$at3&adio ,a$"3)i'&o,a$"

Do$" not !a$ "4((i'i$nt $n$&g* to 'a4"$ ionization

# Ionizing Radiation P!*"i'a+ '!ang$ in ato)" 2* )a5ing t!$) $+$'t&i'a++*'!a&g$d'a++$d ionization


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Non-Ionizing Radiation

# Ha" $no4g! $n$&g* to )o$ ato)" 24t not

$no4g! to a+t$& t!$) '!$)i'a++*.

# It i" a++ %a&t o( t!$ $+$'t&o)agn$ti'

"%$'t&4)/ o& $+$'t&o)agn$ti' &adiation.

# E+$'t&o)agn$ti' $i"t" a" ,a$" ,it! 2ot!

an $+$'t&i' (i$+d and a )agn$ti' (i$+d.

# U+t&a io+$t/ In(&a R$d/ Mi'&o,a$/ 8a"$&.


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Haza&d" o( Non-Ionizing

Radiation# It" $n$&g* i" t&an"(o&)$d into t!$&)a+ and

'!$)i'a+ $n$&g*.

# T!$&)a+ $n$&g* g$n$&at$" !$at/ and'!$)i'a+ $n$&g* 'an 'a4"$ &$a'tion" ,!i'!)a* da)ag$ t!$ )o+$'4+$ in o4& ti""4$".

# So)$ $n$&g* 'an 'a4"$ 24&n" IR:/ and 'an'a4"$ 'ata&a't" and 'an 24&n t!$ 'o&n$a andin;4&$ t!$ &$tina

# U 'an 'a4"$ 2+indn$"".


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P&ot$'tion

# A%%&o%&iat$ $ngin$$&ing 'ont&o+" and "a($,o&5 %&a'ti'$".

# A%%a&at4" a&$ d$"ign$d to %&$$nt t!$$"'a%$ o( !a&)(4+ +ig!t (o++o, t!$)an4(a't4&$&" in"t&4'tion" (o& &$%+a'ing 24+2" and )a5ing &$%ai&".

# Ma5$ "4&$ a++ "!i$+d" and g4a&d" a&$ in %+a'$ ,!$n$$& t!$ 24+2 i" $n$&giz$d.

# U"$ t!$ %&o%$& $*$ %&ot$'tion.


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Ionizing Radiation

# I" &adiation t!at !a" "4((i'i$nt $n$&g* to

&$)o$ $+$'t&on" (&o) ato)".

# T!$ )a;o& t*%$" o( &adiation $)itt$d a" a

&$"4+t o( "%ontan$o4" d$'a* a&$ A+%!a and


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A+%!a Pa&ti'+$"

# A+%!a %a&ti'+$" a&$ $n$&g$ti'/ %o"iti$+*'!a&g$d %a&ti'+$" t!at &a%id+* +o"$ $n$&g*,!$n %a""ing t!&o4g! )att$& and do not %$n$t&at$ "o (a&.

# T!$* 'an 'a4"$ da)ag$ o$& t!$i& "!o&t %at! t!&o4g! ti""4$.Not a !aza&d o4t"id$t!$ 2od*:

# T!$* 'an 2$ $&* !a&)(4+ i( t!$* a&$ing$"t$d o& in!a+$d.

# A+%!a %a&ti'+$" 'an 2$ "to%%$d 'o)%+$t$+* 2* a "!$$t o( %a%$&.


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A+%!a Pa&ti'+$"

# Po"iti$+* '!a&g$d

# E)itt$d (&o) 4&ani4) and &adi4)

# Do not %$n$t&at$ (a&

# Not a !aza&d o4t"id$ t!$ 2od*

# Ha&)(4+ i( ing$"t$d o& in!a+$d


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=a))a Ra*"

# =a))a &a*" a&$ ,$ig!t+$"" %a'5$t" o($n$&g* 'a++$d %!oton".

# T!$* !a$ n$it!$& a '!a&g$ no& a )a"" anda&$ $&* %$n$t&ating.

# =a))a &a*" 'an $a"i+* %a"" 'o)%+$t$+*t!&o4g! t!$ !4)an 2od* o& 2$ a2"o&2$d 2*ti""4$/ t!4" 'on"tit4ting a &adiation !aza&d

(o& t!$ $nti&$ 2od*.# S$$&a+ ($$t o( 'on'&$t$ o& a ($, in'!$" o(

+$ad )a* 2$ &$@4i&$d to "to% t!$ )o&$$n$&g$ti' ga))a &a*".


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=a))a Ra*"

# Pa'5$t" o( $n$&g* 'a++$d %!oton"

# No '!a&g$ o& )a""/ $&* %$n$t&ating

# E)itt$d (&o) %ota""i4)-?0/ %+4toni4)-B9

# A2"o&2$d 2* ti""4$

# On+* "to%%$d 2* t!i'5 'on'&$t$ o& +$ad


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> - Ra*"

# >-&a*" a&$ !ig!-$n$&g* %!oton" %&od4'$d 2* t!$ int$&a'tion o( '!a&g$d %a&ti'+$" ,it!)att$&.

# >-&a*" and ga))a &a*" !a$ $""$ntia++* t!$

"a)$ %&o%$&ti$"/ 24t di(($& in o&igin.# >-&a*" a&$ $)itt$d (&o) %&o'$""$" o4t"id$

t!$ n4'+$4".

# >-&a*" a&$ +o,$& in $n$&g* and +$"" %$n$t&ating t!an ga))a &a*".

# A ($, )i++i)$t$& o( +$ad 'an "to% )$di'a+-&a*".


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P$n$t&ating Po,$&"


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Ri"5 (&o) E%o"4&$ to Radiation

# Radiation i" 'a&'inog$n/ 'an 'a4"$ 'an'$&.# It )a* a+"o 'a4"$ ot!$& ad$&"$ !$a+t!

$(($'t"/ in'+4ding g$n$ti' d$($'t" in t!$

'!i+d&$n o( $%o"$d %a&$nt" o& )$nta+&$ta&dation in t!$ '!i+d&$n o( )oto&"$%o"$d d4&ing %&$gnan'*.

# no,+$dg$ a2o4t &i"5" (&o) &adiation i"

2a"$d on "t4di$" o( o$& 100/000 "4&io&"o( t!$ ato)i' 2o)2" at Hi&o"!i)a and Naga"a5i.

# E(($'t" o( ,id$ &ang$ o( &adiation do"$".


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A'4t$ H$a+t! E(($'t"

# Changes in the bloodcells

# Vascular changes

# Skin irritation# Gastrointestinal effects

# Radiation sickness: Diarrhea

Nausea Vomiting

High fever

# Hair loss

# Burns


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Radiation P&ot$'tion Con'$%t"

# T!$&$ a&$ t!&$$ 'on'$%t" in 2a"i' &adiation

%&ot$'tion. T!$* a&$

# 1- Ti)$

# - Di"tan'$

# B- S!i$+ding


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Ti)$

# I( *o4 d$'&$a"$ t!$

a)o4nt o( ti)$ *o4

"%$nt n$a& t!$ "o4&'$o( &adiation/ *o4 ,i++

d$'&$a"$ t!$ a)o4nt o(

&adiation $%o"4&$ *o4

&$'$i$.


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Di"tan'$

# T!$ (a&t!$& a,a* *o4a&$ (&o) a &adiation"o4&'$/ t!$ +$"" t!$$%o"4&$.

# T!$ int$n"it* o(&adiation (&o) a

"o4&'$ a&i$" in$&"$+*a" t!$ "@4a&$ o( t!$di"tan'$ (&o) t!$"o4&'$.


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S!i$+ding

# I( *o4 in'&$a"$ t!$

"!i$+ding a&o4nd a

&adiation "o4&'$/ it,i++ d$'&$a"$ *o4&

$%o"4&$.


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Radiation M$a"4&$)$nt Unit"

# Rad

# Ro$ntg$n

# C4&i$

# R$)

#Si$$&t

#


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Do"i)$t&* Unit"

# E!osure

A2i+it* o( %!oton" to ioniz$ ai&

1 &o$ntg$n R: .FG $-? o4+$35g in ai& # "bsorbed Dose #R"D$

En$&g* a't4a++* d$%o"it$d 2* )a""

1 &ad 100 $&g"3g&a) 1 g&a* =*: 100 &ad -- SI 4nit"


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Do"$ E@4ia+$nt - REM

# Ta5$" into a''o4nt t!$ &$+ati$

2io+ogi'a+ $(($'t (o& di(($&$nt

&adiation" 1 &$) 1&ad Q

Q Q4a+it* a'to&

# -&a* 1

# 1 "$i$&t S: 100 &$) -- SI 4nit"


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Radiation A2"o&2$d Do"$ RAD:

# T!$ 4nit o( a2"o&2$d do"$/ a do"$ o( on$ &ad

)$an" t!$ a2"o&%tion o( 100 $&g" o(

&adiation $n$&g* %$& g&a) o( a2"o&2$& o& 10 ;35g o( a2"o&2ing )at$&ia+".


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R$ontg$n

# I" a 4nit o( $%o"4&$ and &$%&$"$nt" t!$

a)o4nt o( -&a*" o& ga))a &adiation

&$@4i&$d to %&od4'$ ion" 'a&&*ing on$$+$'t&o"tati' 4nit o( '!a&g$ o( $it!$& in 1 ''

o& d&* ai& 4nd$& "tanda&d 'ondition"


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C4&i$ Ci:

# Unit o( &adioa'tiit* d$(in$d a" t!$ @4antit*

o( an* "42"tan'$ in ,!i'! t!$ n4)2$& o(

di"int$g&ation %$& "$'ond $@4a+" B.700 1010.


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Ro$ntg$n E@4ia+$nt Man

REM:# T!$ 4nit o( do"$ $@4ia+$nt. T!$ do"$

$@4ia+$nt in &$)" i" n4)$&i'a++* $@4a+ to

t!$ a2"o&2$d do"$ in &ad" )4+ti%+i$d 2* t!$@4a+it* (a'to&/ t!$ di"t&i24tion (a'to&/ and

ot!$& n$'$""a&* )odi(*ing (a'to&".


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SIEERT S:

# S%$'ia+ na)$ (o& t!$ SI 4nit o( do"$ .

# On$ Si$$&t 100 &$)


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Summar%

Activity Absorbed Dose Dose Equivalent (H=DQ)

Ci rad rem mrem/hr

Alpha

(QF=20)

Beta

(QF=)

!a""a

(QF=) 00 2000 00 00 2 0# 0#


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&ermissible Dosage

Rems !er calender %ear

!o+$ 2od* !$ad and t&4n5K a'ti$ 2+ood-(o&)ing o&gan"K +$n" o( $*$" o&

gonad"

' Rem

Hand and (o&$a&)"/ ($$t and an5+$"

(' Rem

S5in o( ,!o+$ 2od* )* Rem


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