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-4508- Federal Register / Vol. 59,-No. 20 / Monday, <br /> January <br /> Y T ary Rules and -Regulations = <br /> -y. TABLE IB.-LIST OF APPROVED INORGANIC TEST•PROCEDUREs-Continued <br /> -Reference(method number or page) - - <br /> - Parameter,tuiits and irieittod - <br /> :.. - IEPAt.3j .Std.methods <br /> ,-'18th Ed. ; - ' ASTM �USGS2 Other <br /> lectmde ..�.»......•- » •--351.3 4500-NH3 F or <br /> - Automated phenate ColorimetriC -351.1 <br /> G <br /> :Sem automated block digestor colorimetric. 3512 ,_,,, �`»�� 3590•-89(8) ' I"4551=78e 1 <br /> Manual or block dgestor Potentiometric- ....__ - 35.1.4 <br /> . AA direct aspirations 239.5 3171 � : - ' � -"T--.•` �' ~� • -� - <br /> »._.:.»...........»..._.... B or D3559-90(A or 8} �-3399-gg '.. 3 <br /> AA furnace _..»„•_..,,. »....:...... ».:_._.... 2392 3113 B D3559-90{D} 97427. <br /> tCP/AES 36 .......... ....... .......... ..__...... 62392 3120 B <br /> Voltametry 3 e or _��» ...._..... ». ...._....... »._.»...._ ......_»_...»..»..... D40-82(88) ......................... Note 34.'' <br /> Colorimtric(Dithizone) .�.»».. 3500-Pb D ». D3559-90( <br /> ) <br /> 33. Magnesium-Total4, mg/L4 Digesbon4 fol- <br /> lowed by: - <br /> AA direct aspiration .242.1' <br /> 3111 B 0511-92(13) 1447 <br /> ICP/AES ............»......._.. » ....... .......».. -5200.7 3120 8 97427.3 <br /> DCP,or .. _.......»....... ........»»_._......» .. .............»..... <br /> Gravimetric --*_.... .......................»... ......... ».... .................»..... .... Note 34. <br /> ...._..... . ...............»._.. �............._._ 3500--Mg D•...... ..._........._............... ..... .......»....... <br /> 34. Manganese-Total+, mg/L; -Digestion4 fol- <br /> lowed by: <br /> AA direct aspiration 36 .............................. , 243.1 3111 8 D858-90{A or B} t-34 <br /> AA furnace »_-.......,».....................I...............:. 2432 3113 8 D858--90(C) �� 974.27.3 <br /> ICP/AES3a ......................................... I3 <br /> DCP36 or 95 200.7 3120 <br /> C010n'metric(Persulfate),or�......................� 3500-Mn D.� D4190-82(88) .............__.__ Note 34. <br /> (Periodate) ........ .....»...... : 920.203. <br /> 35. Cold Mercury,-Total4.mg/L ---..._... _....... .............. .. .....................»_. Note 23.3 a <br /> apor,manual or .. ............................ . 245.1 3112B D3223-91 1-34625 <br /> 3 <br /> Automated ......»................ 245.2 T7 <br /> 36. Molybdenunr--Tota14, mg/L; Digestion-4 fol- <br /> lowed by: <br /> AA direct aspiration.......................... 246.1 3111 D <br /> AA <br /> mk- 490-85 . <br /> ace ....._ ........... ...................... . 2462 3113 B , <br /> ICP/AES .. <br /> DCP �» ..» ........................._... 95200.7 3120 B - <br /> 37.Nickel-Total• mg/l_;Digestion followed by: .... ....................._ Note 34. <br /> - ration- ^249: 8 or •'�-� - <br /> .... »....».�:....._....... 3i 11 C D188&-9 <br /> IC furnace ....... 2492 3113 B 01886-90(C)or B) 1-3499-85 <br /> ICP/AE5s6 .� ............................. <br /> DCP W,or .._................... .... _. 3200.7 31208 <br /> 38.Nitrate Colorimetric(heptoxime) ........................... ...... _. 3500-N!D. 04190-82(88) -Note 34. <br /> (as <br /> ColorirnetriC)(Brucine sultate),'or Nitrate-ni- <br /> trite Nminus N352.1 <br /> . ._..»..__._..... _... 973.503.419 <br /> rtrtte N (See parameters 39 .-.- .�. --... <br /> and 40). DY7.p 2$Q <br /> 39.Nitrate-nitrite(as N), mg/L: <br /> Cadmium reduction,Manual or . "' <br /> _» 3 4500-NO, E 03887-90(B} - <br /> 'Automated.or .....»._..:...........................»..... 3532 4500-103 F 03887--90(A) 1-4545-.85Automated hydrazine .................................. 353.1 4500-NO3 H <br /> 40.NiL'ite (as N),mg/!.;Spectrophotometric: <br /> Manual or Automated».... 354.] <br /> ed (Diazotization) » ....... Note 25. <br /> 41.Oil and grease-Total recoverable,mcyL.._ 4500-No6_ <br /> Gravimetric (extraction) ~... _ <br /> 42.Organic carbon-Total (TOCj,�rr�g1t. . .. 413.1 5520 B <br /> Combustion or oxidation ...........................»» 17415.1 5310 B. C. r D D <br /> 43.Organic nitrogen(as N),mg/L: 0 2579-85(A or 8) 973.473 p.14.2• t <br /> Total Kleldaht N (Parameter 31) minus am- <br /> monia N (Parameter 4). <br /> 44- O�hasphate (as P), mg/L Ascorbic acid <br /> Manual singer reagent .........................»r 355.1 4500-P F 1-4601-85 973.583 ; <br /> Manual g 3652 4500-P E u <br /> 45. M two reagent ....».»..._............._».. � 365.3 0515--88(A}� ..». ....».. 973.55 3 <br /> Osmium--Total! mg/L; Digestion4 followed <br /> AA direct aspiration,or .............. ................ 252.1 3111 D <br />