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Federal Register / -Vol- 59, Nv. 201-/ Monday, january'31, 1994 / Rules and Regulations 4509 - TABLE 3B.-' UST OF/APPROVED INORGANIC TEST PROCEDURES-Continued Reference(method number or page) --Parameter,units and method Std.methods i`PAI�n 1' 18th Ed. ASTM USGS= Other AA furnace .......... . 2522 46.Oxygen,drssohred,mg1L wnider(Azide modification),or »»,...»««.»«. 3602 4500-0 C 13888-92(A) .- a1-1575-78. . ; 973.456.3 Ele "ft 360.1 4500-0-x10888-92(B) ...... .. a 1-1576-78 47. Palladium-Total,4 mo/L•, Digestion 4 followedbr - AA direct aspiration,or ........«» ....:........... 253.1 31118 p.S27.10 AAfumace ............ ...»... -253.2 .......«................ .... .......«.......«...... p.S28,I0 DCP» ...........»«».. ..:........... ......... _.................... ......................»..... Note 34. 48.Phenois,mg/l<: w Manualdistillation 26 -.................................. 420.1 .......................... ..........«....»»........... ......................... Note 27. Followed by: " Colorimetric(4AAP)manual,or..........-. 420.1 ......._............... ....-......................... .......................... Note 27. Autornated 19 _. .. ......... 420.2 49.Phosphorus (elemental,mg/L: - Gas-tiquid ctxomatography ........................... Note 28. 50. Phosphorus-Total,mglL: Persulfate digestion fopawed by .......»......... 355.2 .4500--P B,5 .......................... 973.55.3 Manual or 365.2 or 4500•-•P E D515-88(A) 365.3 .Automated ascorbic acid reduction .............. 365.1 -4500-P F ..._..».................. 14600-85 973.569 Sen"utomated block dgestor .. 365.4 ........�..__-•--- D515�8{8) .. 51. Platin -Total! mg/t, Dlgestion4 followed by: AA direct aspiration .........«...»_... .-...... 255.1 3111 B AA furnace .................. 255.2 DCP .........».».. .................. .............................. ......................... Note 34. 52.Potassium-Tcta44 mg/L;Digestion followed AA direct aspiration................»....«........... 258.1 3111 B ««»........................ 1-3630-.5 973.53.3 ICP/AES ...-................................... °200.7 3120 B Flame photometric,or «»» .................... ................... 3500-K D Colormetric ............................................... .................... ......................... ........................... 317S. 7 53.Residue-Totai,mglL: Gravimetric. 103--1050 ..«.......................... 160.3 2540 B E-3750-85 54. Residue- Merable,Mg/L- Gravimetric, 180' ... ...........«. 160.1 2540 C 1-1754-•85 55.R e(TSS),mg/L: Gravimeft. 103-105- past washing of resi- 160.2 2540 D ...............»............. 1-3765-85 due. - 56.Residue-settleable,mglL• VolurneW,(Imhoff cone).or gravimetric ..... 160.5 2540 F ...........-.............. 57.Residue-Volatile,mgIU Gravimetric.55W .. .. 160.4 ......««.....»».... 1-3753--85 58. Rhodium--Total,+ mg/LDigestion 4 followed ` by, Bred aspiration,or --------- 255.1 3111 B AA furnace .... .. 265.2 59. Ruthenium-Total! mg/L; Digestion4wfol- b SAA direct aspiration;or ----------....--------- .. 267.1 3111 B - AA furnace «. 2572 60. Selenium--Total! mg/L;-Digestion 4 followed AA furnace ................................................ 2702 3113 B _ ICP/AES?6 or ................ 6200.7 3120 B AA gaseous hydride».- .... - ......- ....- 3114 B D3859-88(A) 1-3667-85 . 61. Siliw37--Dissolved. mg/L; 0.45 Micron�fittra- tion followed by: - Colorimetric.Manual or. ..........««..«............ 370.1 4500-Si D D859-88 1--1700--85 Automated(Molybdosilicate),or ...........«.... ... ..» .............«......»....... 1--2700-85 ICP ... .».... 6200.7 3120 B 62. Silver-Total.4 mg/L; Digestion422 followed. 272.1 3111 B or C 13720-85 974273,p.3f 9 AA cl;red aspiration...........................«..»..... :............................. AA furnace .«._......«.»..........................«...... 2722 3113 B ICPIAES6200.7 31208 Nate 34. DCP .......». .....................�.«.... .......».......««..... • 63. Sodium-Total,4 mg/L; Digestion 4 followed �� -~--� by: