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Federal Register I Vol. 59, No_ 20'•I Monday, jauuz�ry 31, 1994 / RuIes and Regulations 45 <br /> TABLE 1B.-UST OF APPROVED IN©RGAmC TEs i PROC$DiJPEs--Cor ttriued . <br /> Reference (rsethod number or gage) <br /> =Parameter, units and rnetihod - - 51d.rnemcd; <br /> -- Es�At3s ASTM USGS2Otter <br /> 1 ft Ed_ <br /> AA furnace . ._» ... •... _:.:........ .... 252: <br /> 45.Oxygen, dissolved. <br /> Winkler tA.:de modifip':on_- <br /> - •• •• _ <br /> ar „---•--•:-- 360_ 45x0--3 C D&E82t�) 81-1575-73 973.45S.a <br /> E'.-e-csode _ _ ........ 360.1 4540•-0-G 81-1576-78 <br /> 47. Pailadium-To ai,• rnglL; biges5on' followed - <br /> by: <br /> AA direct asnirataoa, or _.... - 253.1 3111 B ................................ ......................:.... p S27.ro <br /> AA furnace '253.2 ................... _... p.528.i 0 <br /> DCP ------ -__'- .-.......•................................... Note 34. <br /> 48. Phenols, mgJL- - ' - . -. - - <br /> Manual disti)tation x 420.1 ........................... ...............I.........,....... Note 27. <br /> Fo5cwe-d by. <br /> Colorimetric (4AAP)manual, or <br /> ....._-•----• 420.5 ......»................. ............................... ........................... Note 27.. <br /> Automated 7D _........................................ A202 <br /> 49.Phesphorus (eiemental),r•rglL• _ <br /> Gzs-ltcud c.`:rorratocraphy ............................ .................... .......................... ......................:......... Note 28. <br /> 50. PhoSpl'10rrr Tatal,rvL: . <br /> Persuffate c5ges6on followed by -165.2 4500•--P 8,5 ..... 973.55.3 <br /> Manual or ..................... 3652 or 4500--P E D515--SS(A) <br /> 365.3 <br /> AAutorated ascorbic and reduction 365.1 -4500--P F14600-5.5 973.56? <br /> Semi-automated bloat digestor 385.4 ........_....... <br /> .. <br /> 51. Platinum-Total a n>CIL; Digestion4 follow?d <br /> try_ <br /> AA direct aspiration ....................................._. 255.1 3111 B <br /> AAfurnace _.__ _....... ............................. 2..5.2 <br /> DCP.._._..._ _._._. _ ....._._....»...... .................... .........I.................. Note 34.' <br /> 52. ta44 mglL;DiEgestion4 toftowed <br /> by <br /> AA direct aspiration .................................. 258.1 3111 B <br /> ............I................. l-,3b3D-35 973.53.2 <br /> ICPIAES .r.....•_.__........................................_ 4200.7 3124 B <br /> Flarne phctorne3ric.or »..-»»...............»_..__.._.. .............,._... 3500•-K D <br /> Coformetric _.__.w.»......... ............. __.._..._». .... ................-.........».... ........................._ 317 B.17' <br /> 53. sesidue•--T otal, r q7 L_ <br /> Gravimetrro. il)3-iC6.0 150.3 25403 -»»----------............. F-3750-F5 <br /> 54. residue-ti-_ 800 . mg/i <br /> Gravimetric, 180° ............................. 160.1 2540 C ....... 1-•1750-•",•5 <br /> 55. Residue- os:ftterable(TSS),mglls <br /> Grayimefria, 103-1050 past washing of res% 1602 2540 D 1•-3765--a5 <br /> due. <br /> 56_Residue-settleable. r VU <br /> Volumetric, (Imhoff cone),or gravirnetric ...... 160.5 2540 F ................................ <br /> 57. Residue--Votat7e,rnglL. <br /> Gravimetric,5:0' ._. ..._»_ _ .... ...._.._.. 160.4 ..................._....... ................................ 4-3753-35 <br /> 58. Rhodiurrr-Tatal,4 mgt; Digestion 4 followed <br /> by: <br /> AA direct aspiration, or ...:».._... ---- 255.1 3111 B <br /> AA furnace 2652 . <br /> 59. Rutheniurr,-,ota3,4 nxVL; Digestion 4 foL <br /> towed by. <br /> AA direct aspirafcrn;or ............................ 267.1 3111 B - <br /> AA furnace 257.2 <br /> 60. Selenium•-•iotal,4 mglf_ Digestions followed <br /> by: <br /> AA furnace ......................................»:____....... 2702 3113 B _ <br /> ICP/AES.-or ...............................» 4200.7 31208 <br /> AA gaseous hydride ........................ »....__.._ .................. 31143 03854-L-W(A) 1-3657--P-5 _ <br /> 61. Sllicasy-Dissolved. rng/L; 0.45 micron fittm- <br /> tion followed tri 1-i 7d0 85 <br /> Galor'metric, Manual or.................................. 370.1 4-94C-Si D sD885-�&8 <br /> Automated (Molybdos'Wcate),or ........___.__ ...._..,_......... .._.................._....... 1-2700-$55 <br /> .... 6200.7 3120 B <br /> 62. 'Sifver-�Total,4 rnglL; Digestson42% followed. : <br /> by <br /> AA direct aspira osz . .... 272.1 3111 B or C .......................... 1-3724-E5 974273, P. •37.9 <br /> AA furnace .._.._......................................... 2722 31139 <br /> ICP/AES ._..».:...».................................------ 5200.7 3120 B <br /> DCP ._......_.. _. .._._ ...� - ..._.....». »........ ...... ..._....... Note 34. <br /> 63. Sodium-Tctal,4 rVL; Digeston• followed <br /> by, <br />