| Substance No. | Substance name | Volume handled | Released into atmosphere | Released into water | Transferred to sewer | Transferred as waste | Consumed | Recycled |
|---|---|---|---|---|---|---|---|---|
| 296 | 1,2,4-trimethylbenzene | 120,604 | 24,741 | 0 | 194 | 652 | 85,205 | 9,817 |
| 71 | ferric chloride | 95,410 | 0 | 0 | 0 | 0 | 0 | 95,410 |
| 80 | xylene | 91,495 | 19,725 | 0 | 0 | 213 | 63,270 | 8,289 |
| 349 | phenol | 64,672 | 1,846 | 0 | 0 | 25 | 62,801 | 0 |
| 300 | toluene | 48,811 | 27,723 | 0 | 672 | 1,828 | 18,243 | 345 |
| 438 | methylnaphthalene | 22,635 | 83 | 0 | 0 | 0 | 22,554 | |
| 20 | 2-aminoethanol | 15,653 | 14 | 0 | 6,164 | 37 | 282 | 9,153 |
| 392 | n-hexane | 6,846 | 218 | 0 | 0 | 0 | 5,948 | 175 |
| 1 | zinc compounds (water-soluble) | 4,103 | 0 | 0 | 0 | 0 | 4,103 | 0 |
| 384 | 1-bromopropane | 3,225 | 2,548 | 0 | 0 | 0 | 0 | 677 |
| 53 | ethylbenzene | 2,713 | 390 | 0 | 0 | 18 | 2,258 | 48 |
| 453 | molybdenum and its compounds | 2,213 | 0 | 0 | 94 | 41 | 2,078 | 0 |
| 86 | cresol | 1,906 | 1,828 | 0 | 0 | 53 | 26 | 0 |
| 411 | formaldehyde | 1,740 | 242 | 0 | 0 | 12 | 1,486 | 0 |
| Others | 12,974 | 2,328 | 0 | 2,451 | 1,860 | 5,371 | 327 |
* Adding the Class I Designated Chemical Substances which handled more than 1,000kg per year.
| Sites | Volume handled | Released into atmosphere |
Released into water | Transferred to sewer | Transferred as waste | Consumed | Recycled | |
|---|---|---|---|---|---|---|---|---|
| NSK Ltd. | Fujisawa Plant / Fujisawa Technology Center | 36,255 | 8,134 | 0 | 0 | 0 | 26,634 | 1,487 |
| Ohtsu Plant | 7,043 | 4,930 | 0 | 0 | 0 | 0 | 2,113 | |
| Ishibe Plant | 22,887 | 8,601 | 0 | 0 | 200 | 10,729 | 3,357 | |
| Saitama Plant / Saitama Precision Machinery Plant | 14,298 | 5,303 | 0 | 0 | 1 | 8,190 | 804 | |
| Kirihara Branch | 7 | 7 | 0 | 0 | 0 | 0 | 0 | |
| Fukushima Plant | 5,846 | 3,706 | 0 | 0 | 261 | 419 | 1,460 | |
| Takasaki Plant | 30,413 | 10,659 | 0 | 1,005 | 0 | 5,112 | 13,638 | |
| Haruna Plant | 106,641 | 2,661 | 0 | 5,535 | 0 | 3,223 | 95,222 | |
| NSK Ltd., Steering Technology Center / Maebashi Precision Machnery Plant | 22 | 0 | 0 | 0 | 0 | 22 | 0 | |
| NSK Steering Systems Co., Ltd. | Soja Plant (Soja) | 22,187 | 2,033 | 0 | 666 | 1,117 | 18,371 | 0 |
| Soja Plant (Akagi) | 22,561 | 106 | 0 | 943 | 404 | 21,108 | 0 | |
| NSK Micro Precision Co., Ltd. | Fujisawa Plant | 71 | 16 | 0 | 0 | 0 | 33 | 23 |
| Matsukawa Plant | 2,649 | 419 | 0 | 0 | 2 | 0 | 2,228 | |
| NSK Kyushu Co., Ltd. | 16,109 | 81 | 0 | 0 | 0 | 16,028 | 0 | |
| NSK-Warner K.K. | 126,414 | 31,866 | 0 | 0 | 2,167 | 92,381 | 0 | |
| Chitose Sangyo Co., Ltd. | 357 | 30 | 0 | 0 | 0 | 327 | 0 | |
| Inoue Jikuuke Kogyo Co., Ltd. | 8,939 | 7,258 | 0 | 0 | 0 | 418 | 1,263 | |
| Asahi Seiki Co., Ltd. | 378 | 187 | 0 | 0 | 0 | 113 | 79 | |
| Shinwa Seiko Co., Ltd. | Shin-asahi plant | 1,816 | 9 | 0 | 0 | 0 | 1,807 | 0 |
| Kutsuki plant | 2,080 | 10 | 0 | 0 | 0 | 2,070 | 0 | |
| NSK Machinery Co., Ltd. | 2,886 | 866 | 0 | 0 | 0 | 2,021 | 0 | |
| Amatsuji Steel Ball Mfg. Co., Ltd. | Main Works | 1,058 | 776 | 0 | 0 | 204 | 78 | 0 |
| Shiga Works | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| AKS East Japan Co., Ltd. | 446 | 0 | 0 | 0 | 159 | 287 | 0 | |
| Kuribayashi Seisakusho Co., Ltd. | 11,789 | 16 | 0 | 0 | 130 | 11,629 | 15 | |
| NSK Toyama Co., Ltd. | 52,890 | 264 | 0 | 0 | 0 | 52,625 | 0 | |