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+. <br />IC <br />ENVIRONMENTAL LABORATORY ACCREOITATIOM/REGISTRATIOW <br />List of Approved Fields of Testing and Analytes <br />Priority Environmental Labs. TELEPHONE No: (408) 946-9636 CERTIFICATE NUMBER: 170a <br />1764 <br />Houret Court <br />CALIFORNIA COUNTY: Santa Clare EXPIRATION DATE: 01-31-96 <br />Milpitas, <br />CA 95035 <br />5.12 <br />EPA Method 510.1 --------------------- <br />N <br />5.2 <br />EPA Method SO1.2-------------------- <br />1 <br />Mferabiolg of Drinking Nater and Wastewater ( -------- <br />----- -1.1 <br />EPA Method 515.1 --------------------- <br />1.1 <br />Total Coliforms in <br />Drinking Water by Multiple Tube Fere tation---------------------------------N <br />N <br />1.2 <br />Fecal Cotiforma/E. <br />Coli in Drinking Water by Rif ------------------------------------------------- <br />M <br />1.3 <br />Total Coliforms in <br />Drinking Water by Membrane Filter Technics --------------------------- <br />N <br />1.4 <br />Fecal Coliforms/E. <br />Coli in Drinking Water by Membrane Fitter Technics ---------------------------- <br />M <br />1.5 <br />Total Coliforms and E. Cali in Drinking Water by MID.MUG----------------------------------------- <br />N <br />1.6 <br />Total Coliforms in <br />Drinking Nater by Clark's Presenke/Absence--------------------- <br />N <br />1.7 <br />Fecal Coliforms/E. <br />Coli in Drinking Water by Clark's Presence/Absence---------------------------- <br />N <br />1.8 <br />Meterotrophic Plate Count________________________________________________________________________ <br />N <br />1.9 <br />Total Coliforms in <br />Wastewater by Multiple Tube Fermentation ------------------------------------- <br />N <br />1.10 <br />Fecal Coliforms in <br />Wastewater by NTF------------------------------------------------------------ <br />M <br />1.11 <br />Total Coliforms in <br />Wastewater by Membrane Filter Technics ---------------- ________________________ <br />EPA Method 551 ---------------------•• <br />1.12 <br />Fecal Coliforms in <br />Wastewater Membrane Filter Technics ------------------•--------------------- <br />8 <br />1.13 <br />Fecal Streptococci <br />or Enterococci by Multiple Tube Technics -------------------------------------- <br />N <br />1.14 <br />Fecal Streptococci <br />or Enterococci by Membrane Filter Technics ------------------------------------ <br />N <br />2 <br />Inorganic Chewistry <br />and Physical Properties of Drinking Water excluding Taxic Cbaeical Elements <br />2.1 <br />Al kalinity __________________________ <br />N 2.12 Sulfate ------------------------------- <br />N <br />2.2 <br />Celicium--•-------------------------- <br />N 2.13 Total Filterable Residue <br />2.3 <br />Chloride ____________________________ <br />N and Conductivity ---------------------- <br />M <br />2.4 <br />Corrosivity-------•----------------- <br />N 2.14 Iron (Colorimetric Methods Only) ------ <br />N <br />2.5 <br />Fluoride --------- <br />------------------N 2.15 Manganese (Colorimetric Methods Only) - <br />N <br />2.6 <br />Hardness ____________________________ <br />N 2.16 Phosphate, ortho---------------------- <br />N <br />2.7 <br />Magnesium --------------------------- <br />N 2.17 Silica (Colorimetric Methods Only) ---- <br />N <br />2.8 <br />MDA$ ________________________________ <br />N 2.18 Cyanide ------------------------------- <br />N <br />2.9 <br />Nitrate _____________________________ <br />N <br />2.10 <br />Nitrite --------------------------- <br />a <br />2.11 <br />Sodiun ______________________________ <br />N <br />3 <br />Analysis of Toxic Chemical Elements in Drinking Mater (------ -,- <br />3.1 <br />Arsenic _____________________________ <br />N 3.11 Silver -------------------------------- <br />N <br />3.2 <br />Barium ______________________________ <br />N 3.12 Zinc ____________._--______--- -------- <br />M <br />33 <br />Cadmium _____________________________ <br />M 3.13 Aluminum ------------------------------ <br />N <br />3.4 <br />Chromium, total _____________________ <br />N 3.14 Asbestos ------------------------------ <br />N <br />3.5 <br />Copper ______________________________ <br />N 3.15 EPA Method 200.7 ---------------------- <br />N <br />3.6 <br />Iron -------------------------------- <br />N 3.16 EPA Method 200.8 (Unregulated Elements <br />3.7 <br />Lead ________________________________ <br />N and Lead Only) ------------------------ <br />N <br />3.8 <br />Manganese ___________________________ <br />N 3.17 Antimon y ______________________________ <br />N <br />3.9 <br />Mercur Y'--__..__.--'--___....'---_.. <br />N 3.10 Beryllium ----------------------------- <br />N <br />3.10 <br />Seleni un _____ _______________________ <br />N 3.19 Nickel -------------------------------- <br />N <br />3.20 Thallium ______________________________ <br />N <br />4 <br />Organic Chemistry of Drinking Water (Mea;ureaent W GCM combination) (--------) <br />4-1 <br />4.2 <br />4.3 <br />4.4 <br />S <br />EPA Method 501.3________________________________________________________________________________ <br />EPA Method 524.2________________________________________________________________________________ <br />EPA Method 525 ----------------- _---------- _----------------------------------------------------- <br />EPA Method 513 ---------------------------- _---------- _--------- _____---------------------------- <br />Organic Chewistry of Drinking Water (excluding measurements by GC/MS combination) (-- ) <br />N <br />N <br />N <br />M <br />5.1 <br />EPA Method 501.1 -------------------- <br />N <br />5.12 <br />EPA Method 510.1 --------------------- <br />N <br />5.2 <br />EPA Method SO1.2-------------------- <br />N <br />5.13 <br />EPA Method 515.1 --------------------- <br />N <br />5.3 <br />EPA Method 502.1 -------------------- <br />N <br />5.14 <br />EPA Method 531.1 --------------------- <br />N <br />5.4 <br />EPA Method 502.2 -------------------- <br />N <br />5.15 <br />EPA Method 547 ----------------------- <br />N <br />5.5 <br />EPA Method 503.1 -------------------- <br />N <br />5.16 <br />EPA Method 548 ----------------------- <br />W <br />5.6 <br />EPA Method 504 ---------------------- <br />N <br />5.17 <br />EPA Method 549 ---------------------- <br />N <br />5.7 <br />EPA Method 505 ---------------------- <br />N <br />5.18 <br />EPA Method 550 ----------------------- <br />M <br />5.8 <br />EPA Method 506 ---------------------- <br />N <br />5.19 <br />EPA Method 550.1 --------------------- <br />N <br />5.9 <br />EPA Method 507 ---------------------- <br />N <br />5.20 <br />EPA Method 551 ---------------------•• <br />N <br />5.10 <br />EPA Method 508 ---------------------- <br />N <br />5.21 <br />EPA Method 552 ------------- --------- <br />N <br />5.11 <br />EPA Method SOBA --------------------- <br />N <br />Page -1- <br />