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451€1 - Feciezal Rester ! VoL 59, No, 20 1 Monday, January 31, 1994 1 Rules and Regulations
<br /> TA3L'r t6.-1_JST OF APPROVED tNOAG•AmC TEST PROCEDURES--Continued -
<br /> _ Reiererx� (metiiod number or page)
<br /> Pas-m .er, !.snits and s-ethod
<br /> " -- -. FP,q«, Std..rrseihods � , -- - A5ild _ -.. l l.lSG52 . -other .
<br /> 18th Ed.
<br /> AA darer~aspirdtion »_. ...._ �.. _..-.»-_ 273.1 3111 B »._.._-- _ I F-3735--=�5 973 Y54?
<br /> ICPIA. S 21X.7 3120 B _
<br /> hose 34
<br /> Flame phot=o etric '=.
<br /> 6.:_ 5pedfic cxxt•..r.-�s�e. micro,'nhOslcrr� ai -.
<br /> Whezutorie bridge _.. T_ 124.1 2510 S Q1125 1(;,} l-1;c'� 35 973.40.?
<br /> 65. Surizee (as So,).
<br /> Autr,Tr eed lorimRv c jY is-n&20rartita'.e) 3 75.1 .^_.M.._._... .._ w. .. ..-_.......... -
<br /> Gr3virr
<br /> 375.3 �SCL� � , C _.._ ................ _ 925_54,3
<br /> or 0
<br /> Tu b+c"rreL ic,or 375.4 51 E-90 4250.
<br /> 50"".Sulfide (as ry, rr�L:
<br /> Tt,•irrrettic[iodine). or ..........- 376.1 4500-,5-= E _.................
<br /> Colorimetric (rrietnylene blue) _.__..........._.._. 3752 4500-S-2 D
<br /> 67.Sulfite (as SO-). my L:
<br /> s;tssrnetrir(r�dine-iodate} .__»_ 377.3 4500 SO,- B
<br /> 63.Surfac arrts, mgt: 425.1 ;�c z�.�a �a
<br /> Cofonnn,ebio• (meth)lene blue) .._.._.....»...._.»
<br /> 59_Tempe:azxe,`C:
<br /> t hermornetric ............._ _..._.__ �.__�._... 170.1 2550 B _..........
<br /> Nota 32_
<br /> 70. T hWkurr--Tot2Y a rrq(L-, Digestion) fottowed
<br /> by-
<br /> AA
<br /> AA direct aspiration, __ ~ 279.1 3'111 B
<br /> AAfurnace. .._............_--»»_ ___ » _. 279.2
<br /> ICP/AF-S.or____ _, 5200.7 31205
<br /> 71.Tire-Total,{nxyU Digestion{followed try: ..
<br /> AA c4ect aspira"on .._...-�___..-..-.............. 282.2 3113 i3
<br /> AA furr+aoe, or.......... _ .. _- _».».. 232.2 3113S
<br /> 5200.7
<br /> 72_ i itarriumr--Total,a M9A4 Digestion• followed -
<br /> by, '
<br /> AA s.Erecl aspiration ._._______- __-- 233.1 3111 D
<br /> AA twrivica 2S3-2
<br /> DCP ___ . __ _._. -»»..... _�_v.- _ �._ ....._..___ ._-- __....._»__:... .......-._.--------- #+fGle 33,
<br /> 73.Turbidrly,N7U:•~
<br /> flephelor�etriG » 180.1 2130B D1889-6.S(N
<br /> 74. Vanadiurrr-To_t,` rte. Digestion followed
<br /> AA d+rect asosrabon ._. _ __ _�_ » 286.1 3111 R
<br /> AA furnace ---..-_ - __ »-__ 235.2
<br /> 1CP/A6$
<br /> -DCP,oc _ r»__.. ._ »»_ _._� ..__.._.. ..».»_.._____.» D41_90-82(58) f93d_
<br /> No
<br /> Z500-•V D ..�. .
<br /> 75.Z.na--Total 4,rng/L:Digestion4 fofiowed 5y: ,
<br /> AA c5rect aspiration .-_-... 2$9.1 3111 B or C D1691-3Q(A or 8) 1„310-35 874.2-73 p.37•s-
<br /> 22
<br /> AA sumacs _...�.:__.____.._.........--•---•--•-----•----• -
<br /> ICP/AES ..._..--•..._.. _..__................ 2DO.7 3 i 20 B
<br /> s _
<br /> D4-19fir52(88) ...... ....... Note 3A.
<br /> 17cP,� or ..._..__.
<br /> or ..............Colorirrsetnc . ^
<br /> ..............
<br /> (Trrcon) »..... ..• ..__..» .» _ . _......».__.. _..» 350D-7n F .. ».... _»_........_.._.._. Note 33,
<br /> Table 13 notes'
<br /> I-Methods for Cherric21 Analysis of Water and Wastes", Ernironmentai Prots,,i Agercy, Environmental Monitoring Systems lzbaamry-Circ
<br /> cinnati 1EMSL--r";, EPA-600/4-79-420. devised Marc-)1983 and 1979 where applicable."
<br /> zFishman, MJ.,et al, Methods for Aratysis off is Svbsmrces in Water and Fluvial 5edmants,7 U-S- Depar4tnent of the [Men-or,T&--h-
<br /> piques of Water--•-Resource Investigations of me U.S.Geological Swiney. Denver,CO,Revised 1983,unless otherwise stated.
<br /> *-C151rc Methods of Analysis of the Association of Officio!Ana9ylical Cr•eimists."mett� manual, 15th ed (1990).
<br /> •For the deterrninabon of total metals the sample is not filtered before processing.A digestion provad is required to sofubir=e suspended
<br /> t�sateriai and to destlay posvrb►a organic- eta.f orrnoiexes T wo dsgesfiors procedtxes are in mettra.s for Ctternic2l Analysis of Water and
<br /> Wastes. 7979 and 2383'. One (section 4.1.3), is a vigorous digesinon using nrbric add- A fess vigorous digestion using n4ric and hydrochloric
<br /> acids (section 4.1.4)is preferred:however,the analyst should be cautioned that this mild gestion rssa}t pat su fice far all sartiples types PartiGu-
<br /> larty if a colorimetric procedure is to be araployed, rt is necessary to ensure that all organo-rnetalk bores be brokers so that the metal is in a re
<br /> a ve stats.In those situation,tfrB vigorous dsgestron is to t)e preferred rrra3cirg carton t'zat at no dare does tMC sample go to dryness. les
<br /> coataining barge a=%jnts of organic materials may also benerrt fly thus vkyxa:s diger M however, viorous di estion with concerrrated nitric
<br /> add will c nvart arTU-r*ny and tis 10 insoluble oxides and render them unavailable ,or analysis.'Use of 1CP/AES as well 2s detenTinabons, for
<br /> certain elements such as antimony, arsenic, the noble metals, rrierc rf, selenium, sNer, tin. and tifaniun rewife a rrodifed sample digesfion
<br /> procedurs and in a4 rases t#re rneo-,od write-p vxxd be consuited for sOecft irsstrvr^or's arsdor caudons_
<br /> NOTE: If the digestion-procedure for direct aspiration AA imdWed in one of the omen approved references is dffereni than-*In above.the EPA
<br /> procedure rrrs5t be used.
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