| Chapter No. | Chapter Title | Chapter Author | Page No. |
| 1 | National Geochemical mapping | | 1 |
| 2 | National Geochemical mapping Programme in Geological Survey of India: Sampling Methods and Processing | | 7 |
| 3 | R&D Activities and Different Standardized Analytical Packages for NGCM Samples | | 20 |
| 4 | Note on Precision & Accuracy, Preliminary Statistics and Detection Limits | | 26 |
| 5 | Reference Materials (RM): Its definition, Uses in Analytical Chemistry and availability | | 36 |
| 6 | Atomic Absorption Spectroscopic Technique of Elemental Analyses (a Brief account on theories and Principles of AAS) | | 43 |
| 7 | NGCM Analytical Package-A (26 elements) | | 72 |
| 8 | NGCM Analytical Package- B: Gold (3 ppb) | | 85 |
| 9 | NGCM Analytical Package- C : Li (5 ppm) and Cs (10ppm) | | 88 |
| 10 | NGCM Analytical Package- D : As (1ppm), Sb (0.2ppm), Bi (0.1ppm) and Se(0.05ppm) | | 90 |
| 11 | NGCM Analytical Package- E : Fluoride (100ppm) | | 95 |
| 12 | NGCM Analytical Package- F : CD (0.1PPM) & AG (0.2PPM) | | 100 |
| 13 | NGCM Analytical Package- G: Mercury (5ppb) | | 103 |
| 14 | NGCM Analytical Methodology for Package: - H (REEs and eight traces) | | 107 |
| 15 | NGCM Analytical Package- I (PGE) | | 142 |
| 16 | Analysis of Water Samples | | 155 |
| 17 | NGCM Analytical Packages : W (A), W (B), W (C) and W(D) | | 172 |
| 18 | The general methods for Preconcentration of Trace Elements in Natural Water | | 181 |
| 19 | A brief account on Speciation analysis of Elements | | 189 |
| 20 | A Brief Account on Common Methodologies of Decomposition of geological Materials for Trace Elements Analysis | | 195 |
