National Drinking Water

USEPA Unregulated Contaminant Monitoring Rule 2 (UCMR2).  US Environmental Protection Agency Approval for List 1 Assessment Monitoring by EPA Methods 527 and 529, List 2 Screening Survey by EPA Methods 521, 525.2 and 535. 

Wisconsin

The State of Wisconsin Department of Natural Resources has granted Northern Lake Service, Inc. (NLS) environmental testing certification under the provisions of Chapter NR 149 of the Wisconsin Administrative Code for the following test categories: 

 Oxygen Utilization

• Biochemical Oxygen Demand
• Carbonaceous BOD

Nitrogen

• Ammonia
• Nitrite
• Nitrate
• Nitrate + Nitrite
• Total Kjeldahl Nitrogen

Phosphorus

• Orthophosphate
• Total Phosphorus

Physical

• Oil and Grease (HEM)
• Total Suspended Solids
• Total Dissolved Solids
• Total Solids
• Total Volatile Suspended Solids
• Total Volatile Solids

General I

• Alkalinity/Acidity
• Bromide
• Chlorophyll a
• Color
• Hardness
• Silica
• Silicate
• Sulfite
• Surfactants

General II

• Chloride
• Cyanide
• COD
• Fluoride
• Phenolics
• Sulfate
• Sulfide

General III

• EP Toxicity
• Ignitability
• Total Releasable Cyanide
• SPLP
• Reactivity
• Total Releasable Sulfide
• TCLP
• Total Organic Carbon

Metals I

• Antimony 
• Aluminum
• Arsenic
• Barium
• Beryllium
• Boron
• Cadmium
• Calcium
• Chromium (Hexavalent)
• Chromium (Total)
• Cobalt
• Copper
• Iron
• Lead
• Magnesium
• Manganese
• Mercury
• Mercury, low-level
• Molybdenum
• Nickel
• Potassium
• Selenium
• Silver
• Sodium
• Strontium
• Thallium
• Tin
• Vanadium
• Zinc

Metals II

• Lithium
• Titanium

Organics, Purgeable

• Purgeable Aromatics
• Purgeable Halocarbons
• Volatile Organics (VOCs)

Semivolatiles by GC/MS

• Base / Neutral / Acid Extractable Semivolatiles
• PAH's by GC/MS-SIM

Liquid Chromatography

• Polynuclear Aromatic Hydrocarbons by HPLC

Pesticides by GC

• Nitrogen Pesticides
• Organophosphorus Pesticides
• Triazines and Metabolites

Petroleum Hydrocarbons

• Diesel Range Organics
• Gasoline Range Organics
• Petroleum VOCs

Organics; Organochlorine

• PCBs
• Organochlorine Pesticides

Safe Drinking Water Certification

The Wisconsin DNR has also granted Northern Lake Service, Inc. Safe Drinking Water certification under Wisconsin Administrative Code NR 149 for the following test categories: 

Metals

• Antimony - SM 3113B / 200.8 
• Arsenic - SM 3113B / 200.8
• Barium - 200.7 / 200.8
• Beryllium - 200.7 / 200.8
• Cadmium - 200.7 / 200.8
• Chromium - 200.7 / 200.8
• Copper - 200.7 / 200.8
• Lead - SM 3113B / 200.8
• Mercury - 245.11 / 200.8
• Nickel - 200.7 / 200.8
• Selenium - SM 3113B / 200.8
• Sodium - 200.7
• Thallium - 200.9 / 200.8

Inorganics

• Cyanide - 335.4
• Fluoride - SM 4500F-C
• Nitrate + Nitrite - 353.2
• Nitrite - SM 4500N02-B
• Nitrate - 353.2
• Sulfate - 300.0

Disinfection By-Products

• Bromate - 300.1
• Haloacetic Acids - 552.2

Volatile Organics - 524.2

• Total Trihalomethanes by GC/MS
• Volatile Organics by GC/MS

Semi-volatiles by GC

• EDB and DBCP - 504.1
• PCB's as DCB - 508A

Semi-volatiles by GC/MS - 525.2

• Chlorinated Hydrocarbons [Hexachlorobenzene; Hexachlorocyclopenta-diene]
• N/P Pesticides [Alachlor, Atrazine, Simazine]
• PAHs [Benzo(a)pyrene]
• Phthalates [Bis-2(ethylhexyl)adipate, Bis-2(ethylhexyl)phthalate]
• Endothall - 548.1

HPLC Pesticides

• Carbofuran - 531.1
• Oxamyl[Vydate] - 531.1

Miscellaneous Pesticides

• Diquat - 549.2
• Glyphosate - 547

Any Single Analyte

• 2 SDWA Chlorinated Pesticides by GC - 505 [Toxaphene & Chlordane]
• 5 SDWA Chlorinated Pesticides by GC/MS - 525 [Endrin, Heptachlor, Heptachlor epoxide, Lindane, Methoxychlor]
   
The NLS Lab. ID Number for Wisconsin's environmental and drinking water certification program is 721026460. 

DATCP 

The State of Wisconsin Department of Agriculture, Trade, and Consumer Protection (DATCP) has granted Northern Lake Service, Inc. certification under state statutes for the following test category: 

• Heterotrophic Plate Count
• Coliform bacteria - Presence/Absence Test
• Enzymatic Substrate

NLS's  Lab. ID Number for  DATCP certification is  105-330.