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E°'r,ti CALIFORNIA DEPARTMENT OF HEALTH SERVICES ° ENVIRONMENTAL LABORATORY ACCREDITATION PROGRAM-NELAP RECOGNIZED ;P Fields of Accreditation °r�oa\t� E a� COLUMBIA ANALYTICAL SERVICES,INC. Lab Phone (818)587-5550 CANOGA PARK 6925 CANOGA AVENUE CANOGA PARK,CA 91303 Certificate No: 02115CA Renew Date: 12/31/2005 INTERIM 108-Inorganic Chemistry of Wastewater 108.016 001 EPA 110.2 Color 108.020 001 EPA 120.1 Conductivity _.._ _ -__-_.----------- 108.040 --108.040 001 EPA 130.2 Hardness ------ - ------- -- - - ... 108.050 001 EPA 150.1 pH 108.060 001 EPA 160.1 Residue,Filterable 108.070 001 EPA 160.2 Residue,Non-filterable 108.080 001 EPA 160.3 Residue,Total 108.100 001 EPA 160.5 Residue,Settleable 108.110 001 EPA 180.1 Turbidity 108.112 001 EPA 200.7 Boron 108.112 002 EPA 200.7 Calcium 108.112 003 EPA 200.7 Hardness(talc.) _. ... - ----------- 108.112 108.112 004 EPA 200.7 Magnesium 108.112 005 EPA 200.7 Potassium 108.112 006 EPA 200.7 Silica 108.112 007 EPA 200.7 Sodium 108.120 001 EPA 300.0 Bromide 108.120 002 EPA 300.0 Chloride 108.120 004 EPA 300.0 Nitrate - --- -_.._..... 108.120 005 EPA 300.0 Nitrite 108.120 007 EPA 300.0 Phosphate,Ortho 108.120 008 EPA 300.0 Sulfate 108.140 001 EPA 310.1 Alkalinity 108.180 001 EPA 335.1 Cyanide,amenable 108.181 001 EPA 335.2 Cyanide,Total 108.191 001 EPA 340.2 Fluoride 108.202 001 EPA 350.3 Ammonia 108.240 001 EPA 354.1 Nitrite 108.291 001 EPA 376.2 Sulfide 108.310 001 EPA 405.1 Biochemical Oxygen Demand 108.323 001 EPA 410.4 Chemical Oxygen Demand 108.360 001 EPA 420.1 Phenols,Total 108.380 001 EPA 1664 Oil and Grease 109-Toxic Chemical Elements of Wastewater 109.010 001 EPA 200.7 Aluminum 109.010 002 EPA 200.7 Antimony 109.010 003 EPA 200.7 Arsenic 109.010 004 EPA 200- Barium 109.010 005 EPA 200.7 Beryllium As of 12/0712004,this list supersedes all previous lists for this certificate number. Customers:Please verify the current accreditation standing with the State. Page 1 of 10