Document M4JM6KBe2Xymyovpmb5bxXZk7

. tentative HYGIENE AliO SANITATION STANDARDS RULES AND REGULATIONS prescribing UAXZHtH. ALLOWABLE CONCi21TRATIQH LINUS of . * ' " HARMFUL VAPORS, GASES, FUMES, MISTS, DUSTS ' and RADIANT EJERGr for . Place* of Eaploynent - * * , Hygiene end Stnit.ition Section . Bureau of Engineering V DIVISION OF ENGINEERING AND SAFETI Director* C. Geerge Krueger, Deputy Coealssioncr of Labor Trenton 8, K.J. Hoveabcr 1$, 1945 ' '' , f/ /' 0 s 4* *<- en -* 'T--rs, fi.' r to all places of ;plorient and an C.... i J , --J-5, * e^skcSad. sr"--.;n1.t*rctiTchne pUunrpietssaoof fvtahpeosres, rugnlessuae, nfduroeg,ulnaitistaM i?.,,J0 ?rescr*k the pernissiM.. * -thtmeopsproheterectioofnpolafcethseohfeeamltphloiymf ewnot rkfoe.r-cr.uidaiea,in ta*\ill?*:Jh^lra:iCdi*cnotnt*roel rJgJyoicncdur.., II.nUUni 2.1 Approved - epproved by the Commissioner of Labor or any of his outhorisod rrpresen tstives. # 2.2 >ists - solid pcrtielee generated by handling, crushing, grinding, rapid ispnet, detonation or decrepitation of organic or inorg-wie oatcrials such as rode, ore/uctal, coal,' wood, grain. ' ` 2.S fuses - solid particles generated by condensation fa-on tho gaseous stats :ntrally after .volatilization fron natals and often aceo/tyanicd by a chemical - reeetion* such os oxidation. . 2.4 Cases - normally formless fluids which occupy the* space of enclosure and which eon be changed to tho liquid or solid stato only by the combined effect of increased pressure and decreased temperature. ' .. 2.5 Harmful - any mechanical or toxic action which in any way injures eny ;-rt of tho body or reduces the normal function of any part of tho body in officitncy iue to the effoct Of vapors, gases, fuses, mists, dusts^ radiant energy or onvironne 1 condition, arising frea any industrial operation or process. -^..6 Mists - suspended liquid droplets generated by condensation from the gss- * iw..i state or by breaking up a liquid into a dispersed state, such as by splashing, roaming or atosising. * . 2.7 Vapors - the gaseous fora of substances which are normally in the solid or .iquid stats and which can be changed to these states either by increasing the pres* uro or by decreasing the temperature* - . . . - Pwrrisniblc Concentration Limits S.l The soxisua allowable eoneentrntien lisits of vapors, gesso, fuses, mists, dusts, or rndi.nnt energy for an exposure not to exceed eight hours daily shall be ;j :norn in the following tables' - - 5A0S3 - parts per million (by volume) 25 C. end 760 ms pressure - p/p.s. SUBSTANCE Asaonin Carbon Monoxide # Chlorine Formaldchydo - Hydrogen Cyanide Hyd regen Fluoride. ------ Hydrogen Sulphide Nitrogen Dlejdde Phosgene . Sulphur Dioxide 100 100 1 " 10 20 S 20 10 1 10 --* w f*^ f* - ** .* 'w--re - p su Aerolsin zylor.ltrile myl Acetate Aniline Bentent Butyl Acstate Butyl Aleohol Cr.rboa Pi sulfide Dichlorbentcne Oiaethyltniline' Ethyl Ether 1 20 400 5 100 400 200 29 75 5 e 400 Ethylene Oishlaride Hydrogen Chloride Methyl Aleohel (Methanol) Monochlsroctn.jr.e Nitrobenzene Phenyl Ethylene (Styrene) Tetrechleroethane Tetrachloroathylcne Trl chloroethylene Turpentine Xylene Toluene ----- ~100 10 7S s 10 10 200 200 200 200 200 TV&ZS. GUSTS OR MISTS - nilligrens per cubic neter st 2S* C. nncl 760 23 pressure eg. per eu. a. '- SUBSTANCE ' MG. PE?. CU?M. SUBSTANCE MG. PEP. CU.!/. Arsenie Arsenie Trioxida C: -.iaiua Chromic Acid, chromates Chlorcdiphenyl `" 0.15 0.15 0.10 0.10 1.00 Lead Knngznese Mercury rf* * Fentechloronepthalene Trichloronspr.th.*.lsne Zinc Oxides 0.15 6.00 0.10 o.so 5.00 15.00 U5T - Billions of particles par cubic foot at 25 C. end 760 era pressure - M.P.P.C. * - SUBSTANCE Asbestos Mien Pottery . Silicon dioxide-free silica over 40$ Silicon disxido-free silica 20$ to 40$ Silicon dioxide-fre# silica 10$ to 20$ Talc Carnot ` FAt-IAI.T ElnnC^ - roeiit|?ta per day - r.p.d. 5 IS 10 5 10 15 ` * IS 15 . " / * J/ 1i l1 RADIATION e X-Ray Rcdiua .. Analysis ' 0.1 . 0.1 . ' 4.1 Sampling, testing end analysis of sir to detrmine concentrations of v**prtrs, gases, fuses, mists, dusts, or rr.dicnt energy shrll be performed by toeh- v nieally qtv.lifi*d :*ud competent persons only. M ir.i '"Ayoisa- ?raccd;;3 sr.all be i.*a acsjr-ii.-;" 'r`pro*ed epplisrbic and reliaUe sctheds. ** 4.3 Tha collection of the staple or testing 8f rir ,' r that tha etsospherie conditions at the location of ** sad* 18 *eh-* i be appreciably ciz.inj&d. or ^-pliag r ttsti.-.j shell 4.4 Except for radiniian surveys, samples of air shall be taken at the br*h- ini level, elosc to tha couth or nose of tho worker with special attention to * location near the source of the eontaniannt and in the path of air currents carr/lnc it toward tha worker if ouch conditions exist. * 4.3 Sxmples shall b token in sufficient number to reveal difforesees in con centration of the contaminant durin( the working period. . . -* ` * ^ ^ 4.8 Samples of air shall be taken wherever there is a biown or respected source of, or exposure to cay hcraful vapor, gas, fuse, aist or dust. . 4.7 Radiation surveys shell be snda wherever there is a known or respected courea of, or exposure to harsful redirnt energy. S - gainful EnttOSfflM 3.1 Any process, material or condition that cither fs known to be harmful or in which concentrations of harsful substances exeecd the values specified in these rules and regulations shall neither be used nor permitted to be used in cay place of employment unless ra-senably effective devices, sorns or methods shall "be pro- *d to prevent the contraction of nny illness or diseeoo incident to tho work or cczs. '/ 0 ;