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Japan Chemical Week -
I Maximum Tolerable Limit tix major imhore or inland fishing ground! are contamlnat- ' ed well over 3 ppm, he added.
Of PCB Recommended
Other critics considered tht . recommendttion far from ad- ,
According to the Council, the
recommendation ie bated on lt official Invsstigsiion findings,
through the Atcal 1968 nation al nutrition turvty findings.
A predominant 3-4 per cent of the 72.4 mferagramt hat been
equate beeaute of ito neglect of the pan PCB accumulation! in the bodiet of Japanese.
Admitting the inadequacy of
figuring* and assumptions, and attumed to come various official American re and shellfish.
from
fith
local health authoritlea' analyilea) eapaeitiet, even an environ-
;
; > 1 j
ference data.
' American research data con
The Japanese people'! aver cerning the temi-acute and
age dally PCB Inlake hat been chronic toxicity and 111 genetic
figured at 73.4 mtcrogrema by effect* of PCB to far discover relating the average of PC8| ed through experiment* on
mental Official of the Minietry
aaid all what each Japanese
can do to defend himself egaioet PCS contamination la
to prefer offahore ftth to eooatal orvei at far at he can.
; '
,
content icouncll imum through
In food templet the examined, and the max possible PCB Intake
foodstuff-ascertained
mica thowed that, In human termt, 5 mlcrogrants per one
kilogram of body waight, that
It 250 microgrami for an l adult weighing to kUogramt Ie
Mill To For PCB
Build Tost Treatment
Plonk
permlttlble per day.
To protect the humen body
wcc_ .
cc; f/.
f 4, QottAQ* CPAraJ
l (.) A PAPfiGaoRG*
?YX-
For an average Japanese, that limit could ba ohttrvad it
from environmental under a measure for
pollution security
hit dally ,flah and
PCB (make through shellfish, the major
guarantee of chemical products, the Ministry of International
Itamt in the Japancaa meali, Trade and Industry has deeld- .
it held down at ISO microgramt. In that cate, the max* Imum tolerable PCB content In fish And shellfish dally consum
` to build a pilot plant to recover and incinerate electric
appliances such aa transformers and condcnsere, and preeeure
1 :
i '
ed should ba 1.41 ppm.
sensitive papers containing PCB ;
(polychlorinated biphenyl) in co- 1
The 1.41 ppm figure hae operation with The Japan \
been the
out down to 1 two different
ppm and etandardt
Electric lion.
Manufacturers'
Asaoeia-
1 1
have been tat for ofTthora inahore flth and thallflah cauae the offahore ftah thellAth ututlly eaten by Japanaae are three time*
inahore typea.
The council hat deferred
and btand the the
He!
The pilot plant will ba construtted at the Environmental Pollution Resource* Research Laboratory, for completion this September.
MITI. moreover, plant aatablilhmeni of a semi-governments!
j i I :
>
decision on euch provisional i ttandarda applicable to preg*nant women and infanta due I
new company to carry out re-
covary and treatment of substances containing PCB, and
1
I ,
to It
tboruga alto eaw
of the
raaearch data.! need for set
study within
of treatment this year. <
technology .
. !
ting similar standard* for mail*
and vegetables.
{
Both the Council and the Health and Welfare Ministry cleimed the standards could bring good result* if properly
applied through new surveil
lance. guidance and conaulation measures to ba worked out in eboul a month.
Dut the provisional recomcommendation and ita back grounds have invited an Intant surge of criticisms and
complaints from numerous ob servers.
A typical criticism was voic
ed by Dr. K. Fujlwara, chief researcher at the Kyoto Muni cipal Public Health Institute he
considered the 3 ppm limit set for inahore Ash as too high,
Y I
It should have been set at
lets than 1 ppm since the Jap
anese eat five to 10 times as
much Ash end,shellfish at the
Americans, plus many deriva
tive foodstuffs, he asserted.
He also wondered how ef
fectively the Ministry expects the inadequately-equipped lo
cal health authorities to do the
PCB analysing Jobs. '
'
Fish and shellfish In-Japan's
RONS 070961