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<br />7.3.6 Detersive the wiihc of the liquid phase by subtracting <br />the wiike of the liltsate container (sae Step 7.3.1) Eros the cecal vai4!-e <br />o! the iiltsate-tilled eeauiner. 'Phe velphc of the solid phut of the <br />sasple is daursinea by aubcrucini the wi~l+t o! the liquid phase Eros the <br />vei~ht of Che total saaple, u dseersined in Step T.3.2 or 7.].4. Record <br />the wi~ht of the liquid sad solid pbues. <br />• solids ~ reijht of gelid (Seen 7.3.61 x 100 <br />coral reiiht of raate (Seep 7.3.2 or 7.3.4;1 <br />~.CS: I! the vaiihr o! the solid phase of the ru to is leas than <br />73 rasa, obtain a ner sasple and repeat the procedure. <br />7.6 the sas{fle rill be handled differently troy this point, dependini <br />on rhethes !e contains sere or Lesa than 0.5• solids. I! the liltesed <br />sasple obviously hss jreaeer than O.S• solids ~o to Seep 7.3. IC it <br />appears that the solid say cosprise less than O.S• o! the total waste, the <br />percent solids rill be detersined as follows: <br />7.4,1 Aesove the solid phase and filter Eros the filtration <br />apparatus. <br />7.4.2 Dry the filter sad solid phase at 100 t 20'C until two <br />successive wishiap yield the sue valve. Record rival r~ishc. <br />7.4.3 Calculate the percent dry solids u Lollors: <br />• dry solids ~ r + <br />initial rt. o! waste (Stop 7.3.2 os .3.4) <br />7.4,4 It the solid eonprisea less than 0.5• of the saspla, the <br />solid is discarded and the liquid phut is detlaed u the extract. Proceed <br />eo Step 7.6. <br />7.4.5 If the solid la ~reaeer than or equal eo O.S• of the <br />aasple, return to Sup 7.3, and begin she procedure with a new sasple. Do <br />not e:craee the solid trot hu been dried. <br />Partiela-Size taduetian <br />T.S Detenine whether the sasple requires particle-size reduction. <br />If the sas~le poses thseuSh a 9.S m (3/S•lneh) standard sieve, <br />particle-sirs seduction la not required (psoeeed to Stsp T.6). If portions <br />of the aasple de not pass ehrou~!- the sieve, then the oversize portion of <br />the aasple rill haw eo be prepared for extraction by eruahin~, eueein6, or <br />irindie~ to a surlace area or particle-size chat poses a 9.S m sieve. <br />Extraetien ter Nen-volatilea <br />7.6 If velatilea are involved, psoeeed to Seep 7.7. If the aasple is <br />100 percent solid, psoeeed to Step 7.6.3.3. Enou~tt solids should be <br />;eneratad for extraction such chat the voluse of 1312 extsaet rill be <br />suffieiane co support all of the analyses required. Korever, a ainiaua <br />aasple size of 100 ~rasu shall be used. If the aaount of extsaet Senerated <br />by a ain~la 1312 exeruc rill not be auttieient to perfors all of the <br />7 <br />