Laboratory Analysis
Practical environmental laboratory guidance for water, wastewater, trace metals, sampling, QA/QC and instrumentation.
05 / ANALYTICAL METHODS
Environmental Laboratory Analysis
A practical reference for environmental sample handling, water-quality analysis, trace-element measurement, analytical instrumentation and laboratory data quality.
PRIMARY SETTINGEnvironmental laboratoriesCORE ACTIVITYSampling & analysisMAIN OUTPUTValidated results
## Laboratory workflow 
<a class="env-topic-card" href="water-analysis/index.html"><span class="env-topic-no">01</span><h3>Water & Wastewater Analysis</h3><p>Analytical parameters and methods for water-quality assessment.</p></a>
<a class="env-topic-card" href="physical-chemical-parameters/index.html"><span class="env-topic-no">02</span><h3>Physical & Chemical Parameters</h3><p>Principles, routine measurements, calculations and common errors.</p></a>
<a class="env-topic-card" href="heavy-metals/index.html"><span class="env-topic-no">03</span><h3>Heavy Metals Analysis</h3><p>AAS, ICP-OES, ICP-MS, sample preparation and trace-metal QA.</p></a>
<a class="env-topic-card" href="sampling-preservation/index.html"><span class="env-topic-no">04</span><h3>Sampling & Preservation</h3><p>Representative sampling, containers, holding times and chain of custody.</p></a>
<a class="env-topic-card" href="laboratory-qaqc/index.html"><span class="env-topic-no">05</span><h3>Laboratory QA/QC</h3><p>Calibration, blanks, duplicates, recoveries and result validation.</p></a>
<a class="env-topic-card" href="analytical-instruments/index.html"><span class="env-topic-no">06</span><h3>Analytical Instruments</h3><p>Operating principles, applications, calibration and maintenance.</p></a>## Main laboratory outputs - Traceable sample receipt and chain-of-custody records. - Analytical reports with method, units, limits and qualifiers. - Batch QC evidence and documented acceptance decisions. - Instrument calibration, verification and maintenance records. - Clear interpretation with stated uncertainty and limitations.
Method note: Analytical methods, sample containers, preservation, holding times, instrument settings and QC acceptance criteria must follow the current approved method and laboratory SOP. This reference describes general practice and does not imply personal use of every listed technique or instrument.