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Section No: 5 <br />Page: 3 of 30 <br />Revision No: 2.0 <br />Date: January 15, 1994 <br />Quality Assurance Objectives <br />i <br />TABLE 5-1 Quality Assurance Objectives for Drinking <br />Water Methods <br />ACCURACY <br />PRECISION <br />DLR <br />CONSTIf'IiJENT <br />% REC-AR <br />D -MAV <br />u <br />Method EPA 502.2 continued <br />1,2,4-Trimethylbenzene <br />52-150 <br />30 <br />0.5 <br />1,3,5-Trimethylbenzene <br />50-150 <br />30 <br />0.5 <br />Vinyl Chloride <br />D-251 <br />30 <br />0.5 <br />Xylenes m,p <br />50-150 <br />30 <br />0.5 <br />Xylenes o <br />50-150 <br />30 <br />0.5 <br />Method EPA 504 <br />DBCP <br />70-130 <br />30 <br />0.02 <br />EDB <br />70-130 <br />30 <br />0.01 <br />"= <br />Method EPA 505 <br />Alachlor <br />50-150 <br />30 <br />0.2 <br />Aldrin <br />42-122 <br />30 <br />0.01 <br />Chlordane <br />45-119 <br />30 <br />0.1 <br />Dieldrin <br />36-146 <br />30 <br />0.01 <br />Endrin <br />30-147 <br />30 <br />0.01 <br />Heptachlor <br />34-111 <br />30 <br />0.01 <br />Heptachlor Epoxide <br />37-142 <br />30 <br />0.01 <br />exachlorobenzene <br />50-150 <br />30 <br />0.01 <br />Lindane <br />32-127 <br />30 <br />0.05 <br />Methoxychlor <br />50-150 <br />30 <br />0.1 <br />Toxaphene <br />41-126 <br />30 <br />0.5 <br />PCB 1016 <br />50-114 <br />30 <br />0.3 <br />PCB 1221 <br />15-178 <br />30 <br />0.3 <br />PCB 1232 <br />10-215 <br />30 <br />0.3 <br />PCB 1242 <br />39-150 <br />30 <br />0.3 <br />PCB 1248 <br />38-158 <br />30 <br />0.3 <br />PCB 1254 <br />29-131 <br />30 <br />0.3 <br />PCB 1260 <br />8-127 <br />30 <br />0.3 <br />Method EPA 507 <br />Surrogates <br />1,3 -Dimethyl -2 -nitrobenzene <br />53-105 <br />N/A <br />N/A <br />` <br />9-Nitroanthracene <br />50-134 <br />N/A <br />N/A <br />Analytes <br />Alachlor <br />70-130 <br />30 <br />1 <br />Atrazine <br />70-130 <br />30 <br />1 <br />` = <br />Bromocil <br />70-130 <br />30 <br />5 <br />Butachlor <br />70-130 <br />30 <br />1 <br />Diazinon <br />70-130 <br />30 <br />2 <br />Dimethoate <br />70-130 <br />30 <br />2 <br />Metolachlor <br />70-130 <br />30 <br />1 <br />Metribuzin <br />70-130 <br />30 <br />0.1 <br />Molinate <br />70-130 <br />30 <br />2 <br />Prometryne <br />70-130 <br />30 <br />2 <br />Propachlor <br />70-130 <br />30 <br />1 <br />